Prepare 5.0.0 beta3 (#7984)

* prepare 5.0.0-beta3 release

* update samples

* remove beta3 from readme

README.md

@@ -103,9 +103,7 @@ The OpenAPI Specification has undergone 3 revisions since initial creation in 20
 | OpenAPI Generator Version                                                                                                                                 | Release Date | Notes                                             |
 | --------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ | ------------------------------------------------- |
 | 5.0.0 (upcoming major release) [SNAPSHOT](https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/5.0.0-SNAPSHOT/) | TBD   | Major release with breaking changes (no fallback) |
-| 5.0.0-beta3 (upcoming beta release) [SNAPSHOT](https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/5.0.0-SNAPSHOT/) | 01.11.2020 | Major beta release with breaking changes (no fallback) |
-| [5.0.0-beta2](https://github.com/OpenAPITools/openapi-generator/releases/tag/v5.0.0-beta2) (latest beta release) | 04.09.2020   | Major beta release with breaking changes (no fallback) |
-| [5.0.0-beta](https://github.com/OpenAPITools/openapi-generator/releases/tag/v5.0.0-beta) (latest beta release) | 30.06.2020   | Major beta release with breaking changes (no fallback) |
+| [5.0.0-beta3](https://github.com/OpenAPITools/openapi-generator/releases/tag/v5.0.0-beta3) (latest beta release) | 20.11.2020   | Major beta release with breaking changes (no fallback) |
 | [4.3.1](https://github.com/OpenAPITools/openapi-generator/releases/tag/v4.3.1) (latest stable release)                                                    | 06.05.2020   | Patch release (enhancements, bug fixes, etc)                       |
 
 OpenAPI Spec compatibility: 1.0, 1.1, 1.2, 2.0, 3.0
@@ -162,16 +160,16 @@ See the different versions of the [openapi-generator-cli](https://mvnrepository.
 <!-- RELEASE_VERSION -->
 If you're looking for the latest stable version, you can grab it directly from Maven.org (Java 8 runtime at a minimum):
 
-JAR location: `https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta2/openapi-generator-cli-5.0.0-beta2.jar`
+JAR location: `https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta3/openapi-generator-cli-5.0.0-beta3.jar`
 
 For **Mac/Linux** users:
 ```sh
-wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta2/openapi-generator-cli-5.0.0-beta2.jar -O openapi-generator-cli.jar
+wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta3/openapi-generator-cli-5.0.0-beta3.jar -O openapi-generator-cli.jar
 ```
 
 For **Windows** users, you will need to install [wget](http://gnuwin32.sourceforge.net/packages/wget.htm) or you can use Invoke-WebRequest in PowerShell (3.0+), e.g.
 ```
-Invoke-WebRequest -OutFile openapi-generator-cli.jar https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta2/openapi-generator-cli-5.0.0-beta2.jar
+Invoke-WebRequest -OutFile openapi-generator-cli.jar https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta3/openapi-generator-cli-5.0.0-beta3.jar
 ```
 
 After downloading the JAR, run `java -jar openapi-generator-cli.jar help` to show the usage.
@@ -420,7 +418,7 @@ java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar generat
 (if you're on Windows, replace the last command with `java -jar modules\openapi-generator-cli\target\openapi-generator-cli.jar generate -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml -g php -o c:\temp\php_api_client`)
 
 <!-- RELEASE_VERSION -->
-You can also download the JAR (latest release) directly from [maven.org](https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta2/openapi-generator-cli-5.0.0-beta2.jar)
+You can also download the JAR (latest release) directly from [maven.org](https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.0.0-beta3/openapi-generator-cli-5.0.0-beta3.jar)
 <!-- /RELEASE_VERSION -->
 
 To get a list of **general** options available, please run `java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar help generate`
@@ -612,6 +610,7 @@ Here are some companies/projects (alphabetical order) using OpenAPI Generator in
 - [Kubernetes](https://kubernetes.io)
 - [Linode](https://www.linode.com/)
 - [Logicdrop](https://www.logicdrop.com)
+- [LVM Versicherungen](https://www.lvm.de)
 - [MailSlurp](https://www.mailslurp.com)
 - [Médiavision](https://www.mediavision.fr/)
 - [Metaswitch](https://www.metaswitch.com/)
@@ -859,7 +858,7 @@ Here is a list of template creators:
    * PHP (Guzzle): @baartosz
    * PowerShell: @beatcracker
    * PowerShell (refactored in 5.0.0): @wing328
-   * Python-experimental: @spacether
+   * Python: @spacether
    * R: @ramnov
    * Ruby (Faraday): @meganemura @dkliban
    * Rust: @farcaller

bin/configs/python-asyncio.yaml

@@ -1,7 +1,7 @@
-generatorName: python
+generatorName: python-legacy
 outputDir: samples/client/petstore/python-asyncio
 library: asyncio
 inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
-templateDir: modules/openapi-generator/src/main/resources/python
+templateDir: modules/openapi-generator/src/main/resources/python-legacy
 additionalProperties:
   packageName: petstore_api

bin/configs/python-experimental-oas2.yaml

@@ -1,7 +0,0 @@
-generatorName: python-experimental
-outputDir: samples/client/petstore/python-experimental
-inputSpec: modules/openapi-generator/src/test/resources/2_0/python-client-experimental/petstore-with-fake-endpoints-models-for-testing.yaml
-templateDir: modules/openapi-generator/src/main/resources/python
-additionalProperties:
-  disallowAdditionalPropertiesIfNotPresent: "true"
-  packageName: petstore_api

bin/configs/python-experimental.yaml

@@ -1,7 +0,0 @@
-generatorName: python-experimental
-outputDir: samples/openapi3/client/petstore/python-experimental
-inputSpec: modules/openapi-generator/src/test/resources/3_0/python-experimental/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
-templateDir: modules/openapi-generator/src/main/resources/python
-additionalProperties:
-  packageName: petstore_api
-  recursionLimit: "1234"

bin/configs/python-extensions-x-auth-id-alias.yaml

@@ -1,5 +1,5 @@
-generatorName: python-experimental
-outputDir: samples/openapi3/client/extensions/x-auth-id-alias/python-experimental/
+generatorName: python
+outputDir: samples/openapi3/client/extensions/x-auth-id-alias/python/
 inputSpec: modules/openapi-generator/src/test/resources/3_0/extensions/x-auth-id-alias.yaml
 templateDir: modules/openapi-generator/src/main/resources/python
 additionalProperties:

bin/configs/python-features-dynamic-servers.yaml

@@ -1,5 +1,5 @@
-generatorName: python-experimental
-outputDir: samples/openapi3/client/features/dynamic-servers/python-experimental/
+generatorName: python
+outputDir: samples/openapi3/client/features/dynamic-servers/python/
 inputSpec: modules/openapi-generator/src/test/resources/3_0/features/dynamic-servers.yaml
 templateDir: modules/openapi-generator/src/main/resources/python
 additionalProperties:

bin/configs/python-legacy-oas2.yaml

@@ -0,0 +1,6 @@
+generatorName: python-legacy
+outputDir: samples/client/petstore/python-legacy
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
+templateDir: modules/openapi-generator/src/main/resources/python-legacy
+additionalProperties:
+  packageName: petstore_api

bin/configs/python-legacy.yaml

@@ -0,0 +1,6 @@
+generatorName: python-legacy
+outputDir: samples/openapi3/client/petstore/python-legacy
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml
+templateDir: modules/openapi-generator/src/main/resources/python-legacy
+additionalProperties:
+  packageName: petstore_api

bin/configs/python-oas2.yaml

@@ -1,6 +1,7 @@
 generatorName: python
 outputDir: samples/client/petstore/python
-inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
+inputSpec: modules/openapi-generator/src/test/resources/2_0/python-client-experimental/petstore-with-fake-endpoints-models-for-testing.yaml
 templateDir: modules/openapi-generator/src/main/resources/python
 additionalProperties:
+  disallowAdditionalPropertiesIfNotPresent: "true"
   packageName: petstore_api

bin/configs/python-tornado.yaml

@@ -1,7 +1,7 @@
-generatorName: python
+generatorName: python-legacy
 outputDir: samples/client/petstore/python-tornado
 library: tornado
 inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
-templateDir: modules/openapi-generator/src/main/resources/python
+templateDir: modules/openapi-generator/src/main/resources/python-legacy
 additionalProperties:
   packageName: petstore_api

bin/configs/python.yaml

@@ -1,6 +1,7 @@
 generatorName: python
 outputDir: samples/openapi3/client/petstore/python
-inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml
+inputSpec: modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
 templateDir: modules/openapi-generator/src/main/resources/python
 additionalProperties:
   packageName: petstore_api
+  recursionLimit: "1234"

bin/configs/typescript-angular-v11-provided-in-root-with-npm.yaml

@@ -0,0 +1,9 @@
+generatorName: typescript-angular
+outputDir: samples/client/petstore/typescript-angular-v11-provided-in-root/builds/with-npm
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore.yaml
+additionalProperties:
+  ngVersion: 11.0.0
+  npmVersion: 1.0.0
+  npmName: '@openapitools/typescript-angular-petstore'
+  npmRepository: https://skimdb.npmjs.com/registry
+  snapshot: false

bin/configs/typescript-angular-v11-provided-in-root.yaml

@@ -0,0 +1,5 @@
+generatorName: typescript-angular
+outputDir: samples/client/petstore/typescript-angular-v11-provided-in-root/builds/default
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore.yaml
+additionalProperties:
+  ngVersion: 11.0.0

bin/configs/typescript-fetch-default-v3.0.yaml

@@ -0,0 +1,3 @@
+generatorName: typescript-fetch
+outputDir: samples/client/petstore/typescript-fetch/builds/default-v3.0
+inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml

bin/configs/typescript-fetch-enum.yaml

@@ -0,0 +1,3 @@
+generatorName: typescript-fetch
+outputDir: samples/client/petstore/typescript-fetch/builds/enum
+inputSpec: modules/openapi-generator/src/test/resources/3_0/typescript-fetch/enum.yaml

bin/configs/typescript-fetch-without-runtime-checks.yaml

@@ -0,0 +1,9 @@
+generatorName: typescript-fetch
+outputDir: samples/client/petstore/typescript-fetch/builds/without-runtime-checks
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore.yaml
+additionalProperties:
+  npmVersion: 1.0.0
+  npmName: '@openapitools/typescript-fetch-petstore'
+  npmRepository: https://skimdb.npmjs.com/registry
+  withoutRuntimeChecks: true
+  snapshot: false

docs/generators.md

@@ -48,8 +48,8 @@ The following generators are available:
 * [perl](generators/perl.md)  
 * [php](generators/php.md)  
 * [powershell (beta)](generators/powershell.md)  
-* [python](generators/python.md)  
-* [python-experimental (experimental)](generators/python-experimental.md)  
+* [python (experimental)](generators/python.md)  
+* [python-legacy](generators/python-legacy.md)  
 * [r](generators/r.md)  
 * [ruby](generators/ruby.md)  
 * [rust](generators/rust.md)  

docs/generators/README.md

@@ -40,8 +40,8 @@ The following generators are available:
 * [perl](perl.md)  
 * [php](php.md)  
 * [powershell](powershell.md)  
-* [python](python.md)  
-* [python-experimental (experimental)](python-experimental.md)  
+* [python](python.md)
+* [python-legacy](python-legacy.md)
 * [r](r.md)  
 * [ruby](ruby.md)  
 * [rust](rust.md)  

docs/generators/python-legacy.md

@@ -1,6 +1,6 @@
 ---
-title: Config Options for python-experimental
-sidebar_label: python-experimental
+title: Config Options for python-legacy
+sidebar_label: python-legacy
 ---
 
 These options may be applied as additional-properties (cli) or configOptions (plugins). Refer to [configuration docs](https://openapi-generator.tech/docs/configuration) for more details.
@@ -14,8 +14,8 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |packageUrl|python package URL.| |null|
 |packageVersion|python package version.| |1.0.0|
 |projectName|python project name in setup.py (e.g. petstore-api).| |null|
-|pythonAttrNoneIfUnset|when accessing unset attribute, return `None` instead of raising `ApiAttributeError`| |false|
 |recursionLimit|Set the recursion limit. If not set, use the system default value.| |null|
+|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |useNose|use the nose test framework| |false|
 
 ## IMPORT MAPPING
@@ -28,7 +28,6 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 
 | Type/Alias | Instantiated By |
 | ---------- | --------------- |
-|map|dict|
 
 
 ## LANGUAGE PRIMITIVES
@@ -40,11 +39,9 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 <li>datetime</li>
 <li>dict</li>
 <li>file</li>
-<li>file_type</li>
 <li>float</li>
 <li>int</li>
 <li>list</li>
-<li>none_type</li>
 <li>object</li>
 <li>str</li>
 </ul>
@@ -167,7 +164,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |Examples|✓|OAS2,OAS3
 |XMLStructureDefinitions|✗|OAS2,OAS3
 |MultiServer|✗|OAS3
-|ParameterizedServer|✓|OAS3
+|ParameterizedServer|✗|OAS3
 |ParameterStyling|✗|OAS3
 |Callbacks|✗|OAS3
 |LinkObjects|✗|OAS3

docs/generators/python.md

@@ -14,8 +14,8 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |packageUrl|python package URL.| |null|
 |packageVersion|python package version.| |1.0.0|
 |projectName|python project name in setup.py (e.g. petstore-api).| |null|
+|pythonAttrNoneIfUnset|when accessing unset attribute, return `None` instead of raising `ApiAttributeError`| |false|
 |recursionLimit|Set the recursion limit. If not set, use the system default value.| |null|
-|sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |useNose|use the nose test framework| |false|
 
 ## IMPORT MAPPING
@@ -28,6 +28,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 
 | Type/Alias | Instantiated By |
 | ---------- | --------------- |
+|map|dict|
 
 
 ## LANGUAGE PRIMITIVES
@@ -39,9 +40,11 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 <li>datetime</li>
 <li>dict</li>
 <li>file</li>
+<li>file_type</li>
 <li>float</li>
 <li>int</li>
 <li>list</li>
+<li>none_type</li>
 <li>object</li>
 <li>str</li>
 </ul>
@@ -164,7 +167,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |Examples|✓|OAS2,OAS3
 |XMLStructureDefinitions|✗|OAS2,OAS3
 |MultiServer|✗|OAS3
-|ParameterizedServer|✗|OAS3
+|ParameterizedServer|✓|OAS3
 |ParameterStyling|✗|OAS3
 |Callbacks|✗|OAS3
 |LinkObjects|✗|OAS3

docs/generators/scala-finch.md

@@ -16,7 +16,6 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 | Type/Alias | Imports |
 | ---------- | ------- |
 |ArrayBuffer|scala.collection.mutable.ArrayBuffer|
-|BigDecimal|java.math.BigDecimal|
 |Date|java.util.Date|
 |DateTime|java.time.LocalDateTime|
 |File|java.io.File|

docs/generators/scalatra.md

@@ -26,7 +26,6 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 | ---------- | ------- |
 |Array|java.util.List|
 |ArrayList|java.util.ArrayList|
-|BigDecimal|java.math.BigDecimal|
 |Date|java.util.Date|
 |DateTime|org.joda.time.DateTime|
 |File|java.io.File|

docs/generators/typescript-angular.md

@@ -19,7 +19,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |modelFileSuffix|The suffix of the file of the generated model (model<suffix>.ts).| |null|
 |modelPropertyNaming|Naming convention for the property: 'camelCase', 'PascalCase', 'snake_case' and 'original', which keeps the original name. Only change it if you provide your own run-time code for (de-)serialization of models| |original|
 |modelSuffix|The suffix of the generated model.| |null|
-|ngVersion|The version of Angular. (At least 6.0.0)| |10.0.0|
+|ngVersion|The version of Angular. (At least 6.0.0)| |11.0.0|
 |npmName|The name under which you want to publish generated npm package. Required to generate a full package| |null|
 |npmRepository|Use this property to set an url your private npmRepo in the package.json| |null|
 |npmVersion|The version of your npm package. If not provided, using the version from the OpenAPI specification file.| |1.0.0|

docs/generators/typescript-fetch.md

@@ -27,6 +27,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |typescriptThreePlus|Setting this property to true will generate TypeScript 3.6+ compatible code.| |false|
 |useSingleRequestParameter|Setting this property to true will generate functions with a single argument containing all API endpoint parameters instead of one argument per parameter.| |true|
 |withInterfaces|Setting this property to true will generate interfaces next to the default class implementations.| |false|
+|withoutRuntimeChecks|Setting this property to true will remove any runtime checks on the request and response payloads. Payloads will be casted to their expected types.| |false|
 
 ## IMPORT MAPPING
 

modules/openapi-generator-cli/pom.xml

@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0-beta3</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>

modules/openapi-generator-core/pom.xml

@@ -6,7 +6,7 @@
     <artifactId>openapi-generator-project</artifactId>
     <groupId>org.openapitools</groupId>
     <!-- RELEASE_VERSION -->
-    <version>5.0.0-SNAPSHOT</version>
+    <version>5.0.0-beta3</version>
     <!-- /RELEASE_VERSION -->
     <relativePath>../..</relativePath>
   </parent>

modules/openapi-generator-gradle-plugin/README.adoc

@@ -97,7 +97,7 @@ task validateGoodSpec(type: org.openapitools.generator.gradle.plugin.tasks.Valid
 [source,group]
 ----
 plugins {
-  id "org.openapi.generator" version "4.3.1"
+  id "org.openapi.generator" version "5.0.0-beta3"
 }
 ----
 
@@ -113,7 +113,7 @@ buildscript {
     // url "https://plugins.gradle.org/m2/"
   }
   dependencies {
-    classpath "org.openapitools:openapi-generator-gradle-plugin:4.3.1"
+    classpath "org.openapitools:openapi-generator-gradle-plugin:5.0.0-beta3"
   }
 }
 

modules/openapi-generator-gradle-plugin/gradle.properties

@@ -1,5 +1,5 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=5.0.0-SNAPSHOT
+openApiGeneratorVersion=5.0.0-beta3
 # /RELEASE_VERSION
 
 # BEGIN placeholders

modules/openapi-generator-gradle-plugin/pom.xml

@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0-beta3</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>

modules/openapi-generator-gradle-plugin/samples/local-spec/README.md

@@ -18,5 +18,5 @@ gradle generateGoWithInvalidSpec    # expected outcome: BUILD FAILED
 The samples can be tested against other versions of the plugin using the `openApiGeneratorVersion` property. For example:
 
 ```bash
-gradle -PopenApiGeneratorVersion=4.3.0 openApiValidate
+gradle -PopenApiGeneratorVersion=5.0.0-beta3 openApiValidate
 ```

modules/openapi-generator-maven-plugin/README.md

@@ -12,7 +12,7 @@ Add to your `build->plugins` section (default phase is `generate-sources` phase)
     <groupId>org.openapitools</groupId>
     <artifactId>openapi-generator-maven-plugin</artifactId>
     <!-- RELEASE_VERSION -->
-    <version>4.3.1</version>
+    <version>5.0.0-beta3</version>
     <!-- /RELEASE_VERSION -->
     <executions>
         <execution>

modules/openapi-generator-maven-plugin/examples/java-client.xml

@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>5.0.0-SNAPSHOT</version>
+                <version>5.0.0-beta3</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>

modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml

@@ -19,7 +19,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>5.0.0-SNAPSHOT</version>
+                <version>5.0.0-beta3</version>
                 <!-- /RELEASE_VERSION -->
                 <dependencies>
                     <dependency>

modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml

@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>5.0.0-SNAPSHOT</version>
+                <version>5.0.0-beta3</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>

modules/openapi-generator-maven-plugin/examples/non-java.xml

@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>5.0.0-SNAPSHOT</version>
+                <version>5.0.0-beta3</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>

modules/openapi-generator-maven-plugin/pom.xml

@@ -5,7 +5,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0-beta3</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>

modules/openapi-generator-online/pom.xml

@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0-beta3</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>

modules/openapi-generator/pom.xml

@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>5.0.0-SNAPSHOT</version>
+        <version>5.0.0-beta3</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>

modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenDiscriminator.java

@@ -2,7 +2,7 @@ package org.openapitools.codegen;
 
 import org.apache.commons.lang3.builder.ToStringBuilder;
 
-import java.util.LinkedHashSet;
+import java.util.TreeSet;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
@@ -25,14 +25,14 @@ public class CodegenDiscriminator {
     private String propertyType;
     private Map<String, String> mapping;
 
-    // mappedModels is populated differently if discriminatorExplicitMappingVerbose is
+    // mappedModels is populated differently if legacyDiscriminatorBehavior is
     // True or False. When:
     //
-    // discriminatorExplicitMappingVerbose == False, this contains:
+    // legacyDiscriminatorBehavior == False, this contains:
     // - the name to schema map info in the discriminator mapping entry in your openapi spec OR
     // - child schemas that allOf inherit self schema
     //
-    // discriminatorExplicitMappingVerbose == True, this contains:
+    // legacyDiscriminatorBehavior == True, this contains:
     // - the name to schema map info in the discriminMappedModelator mapping entry in your openapi spec AND
     // - x-discriminator-value mappings in child oneOf + anyOf schemas + descendant schemas that allOf inherit self schema AND
     // - descendant schemas that allOf inherit self schema AND
@@ -40,7 +40,7 @@ public class CodegenDiscriminator {
     //
     // see the method createDiscriminator in DefaultCodegen.java
 
-    private Set<MappedModel> mappedModels = new LinkedHashSet<>();
+    private Set<MappedModel> mappedModels = new TreeSet<>();
 
     public String getPropertyName() {
         return propertyName;

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -2936,7 +2936,16 @@ public class DefaultCodegen implements CodegenConfig {
             // for schemas that allOf inherit from this schema, add those descendants to this discriminator map
             List<MappedModel> otherDescendants = getAllOfDescendants(schemaName, openAPI);
             for (MappedModel otherDescendant : otherDescendants) {
-                if (!uniqueDescendants.contains(otherDescendant)) {
+                // add only if the mapping names are not the same
+                boolean matched = false;
+                for (MappedModel uniqueDescendant: uniqueDescendants) {
+                    if (uniqueDescendant.getMappingName().equals(otherDescendant.getMappingName())) {
+                        matched = true;
+                        break;
+                    }
+                }
+
+                if (matched == false) {
                     uniqueDescendants.add(otherDescendant);
                 }
             }
@@ -2954,6 +2963,7 @@ public class DefaultCodegen implements CodegenConfig {
             Collections.sort(uniqueDescendants);
         }
         discriminator.getMappedModels().addAll(uniqueDescendants);
+
         return discriminator;
     }
 
@@ -3856,10 +3866,20 @@ public class DefaultCodegen implements CodegenConfig {
         // add form/body parameter (if any) to the end of all parameter list
         if (!prependFormOrBodyParameters) {
             for (CodegenParameter cp : formParams) {
+                if (ensureUniqueParams) {
+                    if (!isParameterNameUnique(cp, allParams)) {
+                        cp.paramName = generateNextName(cp.paramName);
+                    }
+                }
                 allParams.add(cp.copy());
             }
 
             for (CodegenParameter cp : bodyParams) {
+                if (ensureUniqueParams) {
+                    if (!isParameterNameUnique(cp, allParams)) {
+                        cp.paramName = generateNextName(cp.paramName);
+                    }
+                }
                 allParams.add(cp.copy());
             }
         }

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultGenerator.java

@@ -41,7 +41,7 @@ import org.openapitools.codegen.config.GlobalSettings;
 import org.openapitools.codegen.api.TemplatingEngineAdapter;
 import org.openapitools.codegen.api.TemplateFileType;
 import org.openapitools.codegen.ignore.CodegenIgnoreProcessor;
-import org.openapitools.codegen.languages.PythonClientExperimentalCodegen;
+import org.openapitools.codegen.languages.PythonClientCodegen;
 import org.openapitools.codegen.meta.GeneratorMetadata;
 import org.openapitools.codegen.meta.Stability;
 import org.openapitools.codegen.serializer.SerializerUtils;
@@ -520,9 +520,9 @@ public class DefaultGenerator implements Generator {
                 Map<String, Object> modelTemplate = (Map<String, Object>) ((List<Object>) models.get("models")).get(0);
                 if (modelTemplate != null && modelTemplate.containsKey("model")) {
                     CodegenModel m = (CodegenModel) modelTemplate.get("model");
-                    if (m.isAlias && !(config instanceof PythonClientExperimentalCodegen))  {
+                    if (m.isAlias && !(config instanceof PythonClientCodegen))  {
                         // alias to number, string, enum, etc, which should not be generated as model
-                        // for PythonClientExperimentalCodegen, all aliases are generated as models
+                        // for PythonClientCodegen, all aliases are generated as models
                         continue;  // Don't create user-defined classes for aliases
                     }
                 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/ignore/CodegenIgnoreProcessor.java

@@ -142,7 +142,7 @@ public class CodegenIgnoreProcessor {
     public boolean allowsFile(final File targetFile) {
         if(this.ignoreFile == null) return true;
 
-        File file = new File(this.ignoreFile.getParentFile().toURI().relativize(targetFile.toURI()).getPath());
+        File file = new File(this.ignoreFile.getAbsoluteFile().getParentFile().toURI().relativize(targetFile.toURI()).getPath());
         Boolean directoryExcluded = false;
         Boolean exclude = false;
         if(exclusionRules.size() == 0 && inclusionRules.size() == 0) {

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CSharpNancyFXServerCodegen.java

@@ -118,8 +118,6 @@ public class CSharpNancyFXServerCodegen extends AbstractCSharpCodegen {
         addSwitch(ASYNC_SERVER, "Set to true to enable the generation of async routes/endpoints.", this.asyncServer);
         typeMapping.putAll(nodaTimeTypesMappings());
         languageSpecificPrimitives.addAll(nodaTimePrimitiveTypes());
-
-        importMapping.clear();
     }
 
     @Override

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/CSharpNetCoreClientCodegen.java

@@ -31,6 +31,7 @@ import java.io.File;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
+import java.util.stream.Collectors;
 
 import static org.apache.commons.lang3.StringUtils.isEmpty;
 import static org.openapitools.codegen.utils.StringUtils.camelize;
@@ -547,7 +548,6 @@ public class CSharpNetCoreClientCodegen extends AbstractCSharpCodegen {
             additionalProperties.put(CodegenConstants.OPTIONAL_EMIT_DEFAULT_VALUES, optionalEmitDefaultValuesFlag);
         }
 
-
         if (additionalProperties.containsKey(CodegenConstants.MODEL_PROPERTY_NAMING)) {
             setModelPropertyNaming((String) additionalProperties.get(CodegenConstants.MODEL_PROPERTY_NAMING));
         }
@@ -561,13 +561,24 @@ public class CSharpNetCoreClientCodegen extends AbstractCSharpCodegen {
         clientPackage = "Client";
 
         String framework = (String) additionalProperties.getOrDefault(CodegenConstants.DOTNET_FRAMEWORK, defaultFramework.name);
+        boolean strategyMatched = false;
         FrameworkStrategy strategy = defaultFramework;
         for (FrameworkStrategy frameworkStrategy : frameworkStrategies) {
             if (framework.equals(frameworkStrategy.name)) {
                 strategy = frameworkStrategy;
+                strategyMatched = true;
             }
         }
 
+        // throws exception if the input targetFramework is invalid
+        if (strategyMatched == false) {
+            throw new IllegalArgumentException("Invalid .NET framework version: " +
+                    framework + ". List of supported versions: " +
+                    frameworkStrategies.stream()
+                    .map(p -> p.name)
+                    .collect(Collectors.joining(", ")));
+        }
+
         strategy.configureAdditionalProperties(additionalProperties);
 
         setTargetFrameworkNuget(strategy.getNugetFrameworkIdentifier());
@@ -710,7 +721,11 @@ public class CSharpNetCoreClientCodegen extends AbstractCSharpCodegen {
 
     public void setTargetFramework(String dotnetFramework) {
         if (!frameworks.containsKey(dotnetFramework)) {
-            LOGGER.warn("Invalid .NET framework version, defaulting to " + this.targetFramework);
+            throw new IllegalArgumentException("Invalid .NET framework version: " +
+                    dotnetFramework + ". List of supported versions: " +
+                    frameworkStrategies.stream()
+                    .map(p -> p.name)
+                    .collect(Collectors.joining(", ")));
         } else {
             this.targetFramework = dotnetFramework;
         }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java

@@ -448,13 +448,21 @@ public class GoClientCodegen extends AbstractGoCodegen {
             for (CodegenParameter p : op.allParams) {
                 p.vendorExtensions.put("x-go-example", constructExampleCode(p, modelMaps, processedModelMaps));
             }
+            processedModelMaps.clear();
         }
 
-        processedModelMaps.clear();
         for (CodegenOperation operation : operationList) {
+            boolean needTimeImport = false;
             for (CodegenParameter cp : operation.allParams) {
                 cp.vendorExtensions.put("x-go-example", constructExampleCode(cp, modelMaps, processedModelMaps));
+                if (cp.isDateTime || cp.isDate) { // datetime or date
+                    needTimeImport = true;
+                }
             }
+            if (needTimeImport) {
+                operation.vendorExtensions.put("x-go-import", "    \"time\"");
+            }
+            processedModelMaps.clear();
         }
 
         return objs;
@@ -462,12 +470,22 @@ public class GoClientCodegen extends AbstractGoCodegen {
 
     private String constructExampleCode(CodegenParameter codegenParameter, HashMap<String, CodegenModel> modelMaps, HashMap<String, Integer> processedModelMap) {
         if (codegenParameter.isArray) { // array
-            return codegenParameter.dataType + "{" + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
+            String prefix = codegenParameter.dataType;
+            String dataType = StringUtils.removeStart(codegenParameter.dataType, "[]");
+            if (modelMaps.containsKey(dataType)) {
+                prefix = "[]" + goImportAlias + "." + dataType;
+            }
+            return prefix + "{" + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
         } else if (codegenParameter.isMap) {
-            return codegenParameter.dataType + "{ \"key\": " + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
+            String prefix = codegenParameter.dataType;
+            String dataType = StringUtils.removeStart(codegenParameter.dataType, "map[string][]");
+            if (modelMaps.containsKey(dataType)) {
+                prefix = "map[string][]" + goImportAlias + "." + dataType;
+            }
+            return prefix + "{\"key\": " + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
         } else if (codegenParameter.isPrimitiveType) { // primitive type
             if (codegenParameter.isString) {
-                if (StringUtils.isEmpty(codegenParameter.example)) {
+                if (!StringUtils.isEmpty(codegenParameter.example) && codegenParameter.example != "null") {
                     return "\"" + codegenParameter.example + "\"";
                 } else {
                     return "\"" + codegenParameter.paramName + "_example\"";
@@ -482,11 +500,13 @@ public class GoClientCodegen extends AbstractGoCodegen {
                 return "\"https://example.com\"";
             } else if (codegenParameter.isDateTime || codegenParameter.isDate) { // datetime or date
                 return "time.Now()";
+            } else if (codegenParameter.isFile) {
+                return "os.NewFile(1234, \"some_file\")";
             } else { // numeric
-                if (StringUtils.isEmpty(codegenParameter.example)) {
-                    return codegenParameter.example;
+                if (!StringUtils.isEmpty(codegenParameter.example) && codegenParameter.example != "null") {
+                    return codegenParameter.dataType + "(" + codegenParameter.example + ")";
                 } else {
-                    return "987";
+                    return codegenParameter.dataType + "(987)";
                 }
             }
         } else { // model
@@ -502,12 +522,22 @@ public class GoClientCodegen extends AbstractGoCodegen {
 
     private String constructExampleCode(CodegenProperty codegenProperty, HashMap<String, CodegenModel> modelMaps, HashMap<String, Integer> processedModelMap) {
         if (codegenProperty.isArray) { // array
-            return codegenProperty.dataType + "{" + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + ")";
+            String prefix = codegenProperty.dataType;
+            String dataType = StringUtils.removeStart(codegenProperty.dataType, "[]");
+            if (modelMaps.containsKey(dataType)) {
+                prefix = "[]" + goImportAlias + "." + dataType;
+            }
+            return prefix + "{" + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + "}";
         } else if (codegenProperty.isMap) { // map
-            return codegenProperty.dataType + "{ \"key\": " + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + "}";
+            String prefix = codegenProperty.dataType;
+            String dataType = StringUtils.removeStart(codegenProperty.dataType, "map[string][]");
+            if (modelMaps.containsKey(dataType)) {
+                prefix = "map[string][]" + goImportAlias + "." + dataType;
+            }
+            return prefix + "{\"key\": " + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + "}";
         } else if (codegenProperty.isPrimitiveType) { // primitive type
             if (codegenProperty.isString) {
-                if (StringUtils.isEmpty(codegenProperty.example)) {
+                if (!StringUtils.isEmpty(codegenProperty.example) && codegenProperty.example != "null") {
                     return "\"" + codegenProperty.example + "\"";
                 } else {
                     return "\"" + codegenProperty.name + "_example\"";
@@ -524,17 +554,13 @@ public class GoClientCodegen extends AbstractGoCodegen {
                 return "time.Now()";
             } else { // numeric
                 String example;
-                if (StringUtils.isEmpty(codegenProperty.example)) {
+                if (!StringUtils.isEmpty(codegenProperty.example) && codegenProperty.example != "null") {
                     example = codegenProperty.example;
                 } else {
                     example = "123";
                 }
 
-                if (codegenProperty.isLong) {
-                    return "int64(" + example + ")";
-                } else {
-                    return example;
-                }
+                return codegenProperty.dataType +  "(" + example + ")";
             }
         } else {
             // look up the model
@@ -548,8 +574,6 @@ public class GoClientCodegen extends AbstractGoCodegen {
     }
 
     private String constructExampleCode(CodegenModel codegenModel, HashMap<String, CodegenModel> modelMaps, HashMap<String, Integer> processedModelMap) {
-        String example;
-
         // break infinite recursion. Return, in case a model is already processed in the current context.
         String model = codegenModel.name;
         if (processedModelMap.containsKey(model)) {
@@ -561,6 +585,14 @@ public class GoClientCodegen extends AbstractGoCodegen {
             } else {
                 throw new RuntimeException("Invalid count when constructing example: " + count);
             }
+        } else if (codegenModel.isEnum) {
+            Map<String, Object> allowableValues = codegenModel.allowableValues;
+            List<Object> values = (List<Object>) allowableValues.get("values");
+            return goImportAlias + "." + model + "(\"" + String.valueOf(values.get(0)) + "\")";
+        } else if (codegenModel.oneOf != null && !codegenModel.oneOf.isEmpty()) {
+            String subModel = (String) codegenModel.oneOf.toArray()[0];
+            String oneOf = constructExampleCode(modelMaps.get(subModel), modelMaps, processedModelMap).substring(1);
+            return goImportAlias + "." + model + "{" + subModel + ": " + oneOf + "}";
         } else {
             processedModelMap.put(model, 1);
         }
@@ -569,6 +601,6 @@ public class GoClientCodegen extends AbstractGoCodegen {
         for (CodegenProperty codegenProperty : codegenModel.requiredVars) {
             propertyExamples.add(constructExampleCode(codegenProperty, modelMaps, processedModelMap));
         }
-        return "*" + goImportAlias + ".New" + codegenModel.name + "(" + StringUtils.join(propertyExamples, ", ") + ")";
+        return "*" + goImportAlias + ".New" + model + "(" + StringUtils.join(propertyExamples, ", ") + ")";
     }
 }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaClientCodegen.java

@@ -133,7 +133,8 @@ public class ScalaAkkaClientCodegen extends AbstractScalaCodegen implements Code
         typeMapping.put("object", "Any");
         typeMapping.put("file", "File");
         typeMapping.put("binary", "File");
-        typeMapping.put("number", "Double");
+        typeMapping.put("number", "BigDecimal");
+        typeMapping.put("decimal", "BigDecimal");
 
         instantiationTypes.put("array", "ListBuffer");
         instantiationTypes.put("map", "Map");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaHttpServerCodegen.java

@@ -137,6 +137,7 @@ public class ScalaAkkaHttpServerCodegen extends AbstractScalaCodegen implements
         typeMapping.put("file", "File");
         typeMapping.put("binary", "File");
         typeMapping.put("number", "Double");
+        typeMapping.put("decimal", "BigDecimal");
 
         instantiationTypes.put("array", "ListBuffer");
         instantiationTypes.put("map", "Map");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaFinchServerCodegen.java

@@ -113,10 +113,11 @@ public class ScalaFinchServerCodegen extends DefaultCodegen implements CodegenCo
         typeMapping.put("string", "String");
         typeMapping.put("boolean", "Boolean");
         typeMapping.put("integer", "Int");
-        typeMapping.put("float", "Float");
         typeMapping.put("long", "Long");
+        typeMapping.put("float", "Float");
         typeMapping.put("double", "Double");
         typeMapping.put("number", "BigDecimal");
+        typeMapping.put("decimal", "BigDecimal");
         typeMapping.put("date-time", "ZonedDateTime");
         typeMapping.put("date", "LocalDateTime");
         typeMapping.put("file", "File");
@@ -177,7 +178,6 @@ public class ScalaFinchServerCodegen extends DefaultCodegen implements CodegenCo
         instantiationTypes.put("map", "HashMap");
 
         importMapping = new HashMap<String, String>();
-        importMapping.put("BigDecimal", "java.math.BigDecimal");
         importMapping.put("UUID", "java.util.UUID");
         importMapping.put("URI", "java.net.URI");
         importMapping.put("File", "java.io.File");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaPlayFrameworkServerCodegen.java

@@ -97,10 +97,11 @@ public class ScalaPlayFrameworkServerCodegen extends AbstractScalaCodegen implem
         typeMapping.put("ByteArray", "Array[Byte]");
         typeMapping.put("object", "JsObject");
         typeMapping.put("file", "TemporaryFile");
+        typeMapping.put("number", "BigDecimal");
+        typeMapping.put("decimal", "BigDecimal");
 
         importMapping.put("OffsetDateTime", "java.time.OffsetDateTime");
         importMapping.put("LocalDate", "java.time.LocalDate");
-        importMapping.remove("BigDecimal");
         importMapping.put("TemporaryFile", "play.api.libs.Files.TemporaryFile");
 
         cliOptions.removeIf(opt -> DATE_LIBRARY.equals(opt.getOpt()));

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaSttpClientCodegen.java

@@ -140,6 +140,7 @@ public class ScalaSttpClientCodegen extends AbstractScalaCodegen implements Code
         typeMapping.put("file", "File");
         typeMapping.put("binary", "File");
         typeMapping.put("number", "Double");
+        typeMapping.put("decimal", "BigDecimal");
 
         instantiationTypes.put("array", "ListBuffer");
         instantiationTypes.put("map", "Map");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalatraServerCodegen.java

@@ -93,6 +93,7 @@ public class ScalatraServerCodegen extends AbstractScalaCodegen implements Codeg
         typeMapping.put("file", "File");
         typeMapping.put("binary", "File");
         typeMapping.put("number", "Double");
+        typeMapping.put("decimal", "BigDecimal");
 
         additionalProperties.put("appName", "OpenAPI Sample");
         additionalProperties.put("appDescription", "A sample openapi server");
@@ -118,7 +119,6 @@ public class ScalatraServerCodegen extends AbstractScalaCodegen implements Codeg
         supportingFiles.add(new SupportingFile("sbt", "", "sbt"));
 
         importMapping = new HashMap<String, String>();
-        importMapping.put("BigDecimal", "java.math.BigDecimal");
         importMapping.put("UUID", "java.util.UUID");
         importMapping.put("URI", "java.net.URI");
         importMapping.put("File", "java.io.File");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalazClientCodegen.java

@@ -121,6 +121,7 @@ public class ScalazClientCodegen extends AbstractScalaCodegen implements Codegen
         typeMapping.put("file", "File");
         typeMapping.put("binary", "File");
         typeMapping.put("number", "BigDecimal");
+        typeMapping.put("decimal", "BigDecimal");
         typeMapping.put("date-time", "DateTime");
         typeMapping.put("date", "DateTime");
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java

@@ -62,7 +62,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
     public static final String STRING_ENUMS_DESC = "Generate string enums instead of objects for enum values.";
     public static final String QUERY_PARAM_OBJECT_FORMAT = "queryParamObjectFormat";
 
-    protected String ngVersion = "10.0.0";
+    protected String ngVersion = "11.0.0";
     protected String npmRepository = null;
     private boolean useSingleRequestParameter = false;
     protected String serviceSuffix = "Service";
@@ -131,7 +131,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
 
     @Override
     public String getHelp() {
-        return "Generates a TypeScript Angular (6.x - 10.x) client library.";
+        return "Generates a TypeScript Angular (6.x - 11.x) client library.";
     }
 
     @Override
@@ -258,7 +258,9 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         }
 
         // Set the typescript version compatible to the Angular version
-        if (ngVersion.atLeast("10.0.0")) {
+        if (ngVersion.atLeast("11.0.0")) {
+            additionalProperties.put("tsVersion", ">=4.0.0 <4.1.0");
+        } else if (ngVersion.atLeast("10.0.0")) {
             additionalProperties.put("tsVersion", ">=3.9.2 <4.0.0");
         } else if (ngVersion.atLeast("9.0.0")) {
             additionalProperties.put("tsVersion", ">=3.6.0 <3.8.0");
@@ -288,7 +290,10 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         supportingFiles.add(new SupportingFile("ng-package.mustache", getIndexDirectory(), "ng-package.json"));
 
         // Specific ng-packagr configuration
-        if (ngVersion.atLeast("10.0.0")) {
+        if (ngVersion.atLeast("11.0.0")) {
+            additionalProperties.put("ngPackagrVersion", "11.0.2");
+            additionalProperties.put("tsickleVersion", "0.39.1");
+        } else if (ngVersion.atLeast("10.0.0")) {
             additionalProperties.put("ngPackagrVersion", "10.0.3");
             additionalProperties.put("tsickleVersion", "0.39.1");
         } else if (ngVersion.atLeast("9.0.0")) {
@@ -309,7 +314,9 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
         }
 
         // set zone.js version
-        if (ngVersion.atLeast("9.0.0")) {
+        if (ngVersion.atLeast("11.0.0")) {
+            additionalProperties.put("zonejsVersion", "0.11.3");
+        } else if (ngVersion.atLeast("9.0.0")) {
             additionalProperties.put("zonejsVersion", "0.10.2");
         } else if (ngVersion.atLeast("8.0.0")) {
             additionalProperties.put("zonejsVersion", "0.9.1");

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptFetchClientCodegen.java

@@ -39,6 +39,7 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
     public static final String USE_SINGLE_REQUEST_PARAMETER = "useSingleRequestParameter";
     public static final String PREFIX_PARAMETER_INTERFACES = "prefixParameterInterfaces";
     public static final String TYPESCRIPT_THREE_PLUS = "typescriptThreePlus";
+    public static final String WITHOUT_RUNTIME_CHECKS = "withoutRuntimeChecks";
 
     protected String npmRepository = null;
     private boolean useSingleRequestParameter = true;
@@ -46,6 +47,7 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
     protected boolean addedApiIndex = false;
     protected boolean addedModelIndex = false;
     protected boolean typescriptThreePlus = false;
+    protected boolean withoutRuntimeChecks = false;
 
 
     public TypeScriptFetchClientCodegen() {
@@ -61,7 +63,7 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
         embeddedTemplateDir = templateDir = "typescript-fetch";
 
         this.apiTemplateFiles.put("apis.mustache", ".ts");
-        this.modelTemplateFiles.put("models.mustache", ".ts");
+
         this.addExtraReservedWords();
 
         typeMapping.put("date", "Date");
@@ -73,6 +75,7 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
         this.cliOptions.add(new CliOption(CodegenConstants.USE_SINGLE_REQUEST_PARAMETER, CodegenConstants.USE_SINGLE_REQUEST_PARAMETER_DESC, SchemaTypeUtil.BOOLEAN_TYPE).defaultValue(Boolean.TRUE.toString()));
         this.cliOptions.add(new CliOption(PREFIX_PARAMETER_INTERFACES, "Setting this property to true will generate parameter interface declarations prefixed with API class name to avoid name conflicts.", SchemaTypeUtil.BOOLEAN_TYPE).defaultValue(Boolean.FALSE.toString()));
         this.cliOptions.add(new CliOption(TYPESCRIPT_THREE_PLUS, "Setting this property to true will generate TypeScript 3.6+ compatible code.", SchemaTypeUtil.BOOLEAN_TYPE).defaultValue(Boolean.FALSE.toString()));
+        this.cliOptions.add(new CliOption(WITHOUT_RUNTIME_CHECKS, "Setting this property to true will remove any runtime checks on the request and response payloads. Payloads will be casted to their expected types.", SchemaTypeUtil.BOOLEAN_TYPE).defaultValue(Boolean.FALSE.toString()));
     }
 
     @Override
@@ -101,6 +104,14 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
         this.typescriptThreePlus = typescriptThreePlus;
     }
 
+    public Boolean getWithoutRuntimeChecks(){
+        return withoutRuntimeChecks;
+    }
+
+    public void setWithoutRuntimeChecks(Boolean withoutRuntimeChecks){
+        this.withoutRuntimeChecks = withoutRuntimeChecks;
+    }
+
     @Override
     public void processOpts() {
         super.processOpts();
@@ -135,6 +146,14 @@ public class TypeScriptFetchClientCodegen extends AbstractTypeScriptClientCodege
         if (additionalProperties.containsKey(TYPESCRIPT_THREE_PLUS)) {
             this.setTypescriptThreePlus(convertPropertyToBoolean(TYPESCRIPT_THREE_PLUS));
         }
+
+        if (additionalProperties.containsKey(WITHOUT_RUNTIME_CHECKS)) {
+            this.setWithoutRuntimeChecks(convertPropertyToBoolean(WITHOUT_RUNTIME_CHECKS));
+        }
+
+        if(!withoutRuntimeChecks){
+            this.modelTemplateFiles.put("models.mustache", ".ts");
+        }
     }
 
     @Override

modules/openapi-generator/src/main/resources/Java/libraries/jersey2/pojo.mustache

@@ -282,7 +282,7 @@ public class {{classname}} {{#parent}}extends {{{parent}}} {{/parent}}{{#vendorE
     return HashCodeBuilder.reflectionHashCode(this);
   {{/useReflectionEqualsHashCode}}
   {{^useReflectionEqualsHashCode}}
-    return Objects.hash({{#vars}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}}{{#additionalPropertiesType}}, additionalProperties{{/additionalPropertiesType}});
+    return Objects.hash({{#vars}}{{^isByteArray}}{{name}}{{/isByteArray}}{{#isByteArray}}Arrays.hashCode({{name}}){{/isByteArray}}{{^-last}}, {{/-last}}{{/vars}}{{#parent}}{{#hasVars}}, {{/hasVars}}super.hashCode(){{/parent}}{{#additionalPropertiesType}}{{#hasVars}}, {{/hasVars}}{{^hasVars}}{{#parent}}, {{/parent}}{{/hasVars}}additionalProperties{{/additionalPropertiesType}});
   {{/useReflectionEqualsHashCode}}
   }
 

modules/openapi-generator/src/main/resources/META-INF/services/org.openapitools.codegen.CodegenConfig

@@ -89,8 +89,8 @@ org.openapitools.codegen.languages.PhpSymfonyServerCodegen
 org.openapitools.codegen.languages.PhpZendExpressivePathHandlerServerCodegen
 org.openapitools.codegen.languages.PowerShellClientCodegen
 org.openapitools.codegen.languages.ProtobufSchemaCodegen
+org.openapitools.codegen.languages.PythonLegacyClientCodegen
 org.openapitools.codegen.languages.PythonClientCodegen
-org.openapitools.codegen.languages.PythonClientExperimentalCodegen
 org.openapitools.codegen.languages.PythonFlaskConnexionServerCodegen
 org.openapitools.codegen.languages.PythonAiohttpConnexionServerCodegen
 org.openapitools.codegen.languages.PythonBluePlanetServerCodegen

modules/openapi-generator/src/main/resources/csharp-nancyfx/api.mustache

@@ -7,8 +7,6 @@ using {{packageName}}.{{packageContext}}.Models;
 using {{packageName}}.{{packageContext}}.Utils;
 using NodaTime;{{#asyncServer}}
 using System.Threading.Tasks;{{/asyncServer}}
-{{#imports}}using {{import}};
-{{/imports}}
 
 namespace {{packageName}}.{{packageContext}}.Modules
 { {{#operations}}{{#operation}}{{#allParams}}{{#isEnum}}

modules/openapi-generator/src/main/resources/csharp-nancyfx/model.mustache

@@ -4,8 +4,6 @@ using System.IO;
 using System.Text;
 using Sharpility.Extensions;
 using NodaTime;
-{{#imports}}using {{import}};
-{{/imports}}
 
 namespace {{packageName}}.{{packageContext}}.Models
 {
@@ -14,4 +12,4 @@ namespace {{packageName}}.{{packageContext}}.Models
 {{#isEnum}}{{>modelEnum}}{{/isEnum}}{{^isEnum}}{{>modelGeneric}}{{/isEnum}}
 {{/model}}
 {{/models}}
-}
+}

modules/openapi-generator/src/main/resources/csharp-netcore/modelGeneric.mustache

@@ -4,11 +4,8 @@
     [DataContract(Name = "{{{name}}}")]
     {{#discriminator}}
     [JsonConverter(typeof(JsonSubtypes), "{{{discriminatorName}}}")]
-    {{#children}}
-    [JsonSubtypes.KnownSubType(typeof({{classname}}), "{{^vendorExtensions.x-discriminator-value}}{{name}}{{/vendorExtensions.x-discriminator-value}}{{#vendorExtensions.x-discriminator-value}}{{{vendorExtensions.x-discriminator-value}}}{{/vendorExtensions.x-discriminator-value}}")]
-    {{/children}}
     {{#mappedModels}}
-    [JsonSubtypes.KnownSubType(typeof({{{modelName}}}), "{{{mappingName}}}")]
+    [JsonSubtypes.KnownSubType(typeof({{{modelName}}}), "{{^vendorExtensions.x-discriminator-value}}{{{mappingName}}}{{/vendorExtensions.x-discriminator-value}}{{#vendorExtensions.x-discriminator-value}}{{{.}}}{{/vendorExtensions.x-discriminator-value}}")]
     {{/mappedModels}}
     {{/discriminator}}
     {{>visibility}} partial class {{classname}} : {{#parent}}{{{parent}}}, {{/parent}}IEquatable<{{classname}}>{{#validatable}}, IValidatableObject{{/validatable}}

modules/openapi-generator/src/main/resources/go/api_doc.mustache

@@ -29,6 +29,9 @@ import (
     "context"
     "fmt"
     "os"
+{{#vendorExtensions.x-go-import}}
+{{{vendorExtensions.x-go-import}}}
+{{/vendorExtensions.x-go-import}}
     {{goImportAlias}} "./openapi"
 )
 
@@ -66,7 +69,7 @@ Other parameters are passed through a pointer to a api{{{nickname}}}Request stru
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/-last}}{{/allParams}}{{#allParams}}
-{{^isPathParam}} **{{paramName}}** | {{^isPrimitiveType}}{{^isFile}}[{{/isFile}}{{/isPrimitiveType}}**{{dataType}}**{{^isPrimitiveType}}{{^isFile}}]({{baseType}}.md){{/isFile}}{{/isPrimitiveType}} | {{description}} | {{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}{{/isPathParam}}{{/allParams}}
+{{^isPathParam}} **{{paramName}}** | {{#isContainer}}{{#isArray}}{{#items}}{{^isPrimitiveType}}{{^isFile}}[{{/isFile}}{{/isPrimitiveType}}**[]{{dataType}}**{{^isPrimitiveType}}{{^isFile}}]({{^baseType}}{{dataType}}{{/baseType}}{{#baseType}}{{baseType}}{{/baseType}}.md){{/isFile}}{{/isPrimitiveType}}{{/items}}{{/isArray}}{{#isMap}}{{#items}}{{^isPrimitiveType}}{{^isFile}}[{{/isFile}}{{/isPrimitiveType}}**map[string]{{dataType}}**{{^isPrimitiveType}}{{^isFile}}]({{^baseType}}{{dataType}}{{/baseType}}{{#baseType}}{{baseType}}{{/baseType}}.md){{/isFile}}{{/isPrimitiveType}}{{/items}}{{/isMap}}{{/isContainer}}{{^isContainer}}{{^isPrimitiveType}}{{^isFile}}[{{/isFile}}{{/isPrimitiveType}}**{{dataType}}**{{^isPrimitiveType}}{{^isFile}}]({{^baseType}}{{dataType}}{{/baseType}}{{#baseType}}{{baseType}}{{/baseType}}.md){{/isFile}}{{/isPrimitiveType}}{{/isContainer}} | {{description}} | {{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}{{/isPathParam}}{{/allParams}}
 
 ### Return type
 

modules/openapi-generator/src/main/resources/go/model_doc.mustache

@@ -1,5 +1,6 @@
 {{#models}}{{#model}}# {{classname}}
 
+{{^isEnum}}
 ## Properties
 
 Name | Type | Description | Notes
@@ -12,7 +13,6 @@ Name | Type | Description | Notes
 {{/vars}}
 {{/vendorExtensions.x-is-one-of-interface}}
 
-{{^isEnum}}
 ## Methods
 
 {{^vendorExtensions.x-is-one-of-interface}}
@@ -84,6 +84,13 @@ Convenience method to wrap this instance of {{classname}} in {{{.}}}
 {{/vendorExtensions.x-implements}}
 {{/vendorExtensions.x-is-one-of-interface}}
 {{/isEnum}}
+{{#isEnum}}
+## Enum
+
+{{#allowableValues}}{{#enumVars}}
+* `{{name}}` (value: `{{{value}}}`)
+{{/enumVars}}{{/allowableValues}}
+{{/isEnum}}
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 

modules/openapi-generator/src/main/resources/python-legacy/README.mustache

@@ -17,7 +17,7 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 
 ## Requirements.
 
-Python >= 3.5
+Python 2.7 and 3.4+
 
 ## Installation & Usage
 ### pip install
@@ -52,4 +52,4 @@ import {{{packageName}}}
 
 Please follow the [installation procedure](#installation--usage) and then run the following:
 
-{{> python-experimental/README_common }}
+{{> common_README }}

modules/openapi-generator/src/main/resources/python-legacy/README_onlypackage.mustache

@@ -17,7 +17,7 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 
 ## Requirements.
 
-Python >= 3.5
+Python 2.7 and 3.4+
 
 ## Installation & Usage
 
@@ -26,6 +26,7 @@ This python library package is generated without supporting files like setup.py
 To be able to use it, you will need these dependencies in your own package that uses this library:
 
 * urllib3 >= 1.15
+* six >= 1.10
 * certifi
 * python-dateutil
 {{#asyncio}}
@@ -40,4 +41,4 @@ To be able to use it, you will need these dependencies in your own package that
 In your own code, to use this library to connect and interact with {{{projectName}}},
 you can run the following:
 
-{{> python-experimental/README_common }}
+{{> common_README }}

modules/openapi-generator/src/main/resources/python-legacy/__init__api.mustache

@@ -0,0 +1,7 @@
+from __future__ import absolute_import
+
+# flake8: noqa
+
+# import apis into api package
+{{#apiInfo}}{{#apis}}from {{apiPackage}}.{{classVarName}} import {{classname}}
+{{/apis}}{{/apiInfo}}

modules/openapi-generator/src/main/resources/python-legacy/__init__model.mustache

@@ -0,0 +1,10 @@
+# coding: utf-8
+
+# flake8: noqa
+{{>partial_header}}
+
+from __future__ import absolute_import
+
+# import models into model package
+{{#models}}{{#model}}from {{modelPackage}}.{{classFilename}} import {{classname}}{{/model}}
+{{/models}}

modules/openapi-generator/src/main/resources/python-legacy/__init__package.mustache

@@ -4,24 +4,25 @@
 
 {{>partial_header}}
 
+from __future__ import absolute_import
+
 __version__ = "{{packageVersion}}"
 
+# import apis into sdk package
+{{#apiInfo}}{{#apis}}from {{apiPackage}}.{{classVarName}} import {{classname}}
+{{/apis}}{{/apiInfo}}
 # import ApiClient
 from {{packageName}}.api_client import ApiClient
-
-# import Configuration
 from {{packageName}}.configuration import Configuration
-{{#hasHttpSignatureMethods}}
-from {{packageName}}.signing import HttpSigningConfiguration
-{{/hasHttpSignatureMethods}}
-
-# import exceptions
 from {{packageName}}.exceptions import OpenApiException
-from {{packageName}}.exceptions import ApiAttributeError
 from {{packageName}}.exceptions import ApiTypeError
 from {{packageName}}.exceptions import ApiValueError
 from {{packageName}}.exceptions import ApiKeyError
+from {{packageName}}.exceptions import ApiAttributeError
 from {{packageName}}.exceptions import ApiException
+# import models into sdk package
+{{#models}}{{#model}}from {{modelPackage}}.{{classFilename}} import {{classname}}
+{{/model}}{{/models}}
 {{#recursionLimit}}
 
 __import__('sys').setrecursionlimit({{{.}}})

modules/openapi-generator/src/main/resources/python-legacy/api.mustache

@@ -0,0 +1,294 @@
+# coding: utf-8
+
+{{>partial_header}}
+
+from __future__ import absolute_import
+
+import re  # noqa: F401
+
+# python 2 and python 3 compatibility library
+import six
+
+from {{packageName}}.api_client import ApiClient
+from {{packageName}}.exceptions import (  # noqa: F401
+    ApiTypeError,
+    ApiValueError
+)
+
+
+{{#operations}}
+class {{classname}}(object):
+    """NOTE: This class is auto generated by OpenAPI Generator
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+    def __init__(self, api_client=None):
+        if api_client is None:
+            api_client = ApiClient()
+        self.api_client = api_client
+{{#operation}}
+
+    def {{operationId}}(self, {{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs):  # noqa: E501
+        """{{#summary}}{{{.}}}{{/summary}}{{^summary}}{{operationId}}{{/summary}}  # noqa: E501
+
+{{#notes}}
+        {{{notes}}}  # noqa: E501
+{{/notes}}
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+{{#sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}({{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}async_req=True)
+{{/sortParamsByRequiredFlag}}
+{{^sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}({{#allParams}}{{#required}}{{paramName}}={{paramName}}_value, {{/required}}{{/allParams}}async_req=True)
+{{/sortParamsByRequiredFlag}}
+        >>> result = thread.get()
+
+{{#allParams}}
+        :param {{paramName}}:{{#description}} {{{description}}}{{/description}}{{#required}} (required){{/required}}{{#optional}}(optional){{/optional}}
+        :type {{paramName}}: {{dataType}}{{#optional}}, optional{{/optional}}
+{{/allParams}}
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: {{#returnType}}{{returnType}}{{/returnType}}{{^returnType}}None{{/returnType}}
+        """
+        kwargs['_return_http_data_only'] = True
+        return self.{{operationId}}_with_http_info({{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs)  # noqa: E501
+
+    def {{operationId}}_with_http_info(self, {{#sortParamsByRequiredFlag}}{{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}{{/sortParamsByRequiredFlag}}**kwargs):  # noqa: E501
+        """{{#summary}}{{{.}}}{{/summary}}{{^summary}}{{operationId}}{{/summary}}  # noqa: E501
+
+{{#notes}}
+        {{{notes}}}  # noqa: E501
+{{/notes}}
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+{{#sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}_with_http_info({{#allParams}}{{#required}}{{paramName}}, {{/required}}{{/allParams}}async_req=True)
+{{/sortParamsByRequiredFlag}}
+{{^sortParamsByRequiredFlag}}
+        >>> thread = api.{{operationId}}_with_http_info({{#allParams}}{{#required}}{{paramName}}={{paramName}}_value, {{/required}}{{/allParams}}async_req=True)
+{{/sortParamsByRequiredFlag}}
+        >>> result = thread.get()
+
+{{#allParams}}
+        :param {{paramName}}:{{#description}} {{{description}}}{{/description}}{{#required}} (required){{/required}}{{#optional}}(optional){{/optional}}
+        :type {{paramName}}: {{dataType}}{{#optional}}, optional{{/optional}}
+{{/allParams}}
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :type _return_http_data_only: bool, optional
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :type _preload_content: bool, optional
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_auth: dict, optional
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: {{#returnType}}tuple({{returnType}}, status_code(int), headers(HTTPHeaderDict)){{/returnType}}{{^returnType}}None{{/returnType}}
+        """
+
+        {{#servers.0}}
+        local_var_hosts = [
+{{#servers}}
+            '{{{url}}}'{{^-last}},{{/-last}}
+{{/servers}}
+        ]
+        local_var_host = local_var_hosts[0]
+        if kwargs.get('_host_index'):
+            _host_index = int(kwargs.get('_host_index'))
+            if _host_index < 0 or _host_index >= len(local_var_hosts):
+                raise ApiValueError(
+                    "Invalid host index. Must be 0 <= index < %s"
+                    % len(local_var_host)
+                )
+            local_var_host = local_var_hosts[_host_index]
+        {{/servers.0}}
+        local_var_params = locals()
+
+        all_params = [
+{{#allParams}}
+            '{{paramName}}'{{^-last}},{{/-last}}
+{{/allParams}}
+        ]
+        all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth'
+            ]
+        )
+
+        for key, val in six.iteritems(local_var_params['kwargs']):
+            if key not in all_params{{#servers.0}} and key != "_host_index"{{/servers.0}}:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method {{operationId}}" % key
+                )
+            local_var_params[key] = val
+        del local_var_params['kwargs']
+{{#allParams}}
+{{^isNullable}}
+{{#required}}
+        # verify the required parameter '{{paramName}}' is set
+        if self.api_client.client_side_validation and ('{{paramName}}' not in local_var_params or  # noqa: E501
+                                                        local_var_params['{{paramName}}'] is None):  # noqa: E501
+            raise ApiValueError("Missing the required parameter `{{paramName}}` when calling `{{operationId}}`")  # noqa: E501
+{{/required}}
+{{/isNullable}}
+{{/allParams}}
+
+{{#allParams}}
+{{#hasValidation}}
+    {{#maxLength}}
+        if self.api_client.client_side_validation and ('{{paramName}}' in local_var_params and  # noqa: E501
+                                                        len(local_var_params['{{paramName}}']) > {{maxLength}}):  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, length must be less than or equal to `{{maxLength}}`")  # noqa: E501
+    {{/maxLength}}
+    {{#minLength}}
+        if self.api_client.client_side_validation and ('{{paramName}}' in local_var_params and  # noqa: E501
+                                                        len(local_var_params['{{paramName}}']) < {{minLength}}):  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, length must be greater than or equal to `{{minLength}}`")  # noqa: E501
+    {{/minLength}}
+    {{#maximum}}
+        if self.api_client.client_side_validation and '{{paramName}}' in local_var_params and local_var_params['{{paramName}}'] >{{#exclusiveMaximum}}={{/exclusiveMaximum}} {{maximum}}:  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must be a value less than {{^exclusiveMaximum}}or equal to {{/exclusiveMaximum}}`{{maximum}}`")  # noqa: E501
+    {{/maximum}}
+    {{#minimum}}
+        if self.api_client.client_side_validation and '{{paramName}}' in local_var_params and local_var_params['{{paramName}}'] <{{#exclusiveMinimum}}={{/exclusiveMinimum}} {{minimum}}:  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must be a value greater than {{^exclusiveMinimum}}or equal to {{/exclusiveMinimum}}`{{minimum}}`")  # noqa: E501
+    {{/minimum}}
+    {{#pattern}}
+        if self.api_client.client_side_validation and '{{paramName}}' in local_var_params and not re.search(r'{{{vendorExtensions.x-regex}}}', local_var_params['{{paramName}}']{{#vendorExtensions.x-modifiers}}{{#-first}}, flags={{/-first}}re.{{.}}{{^-last}} | {{/-last}}{{/vendorExtensions.x-modifiers}}):  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must conform to the pattern `{{{pattern}}}`")  # noqa: E501
+    {{/pattern}}
+    {{#maxItems}}
+        if self.api_client.client_side_validation and ('{{paramName}}' in local_var_params and  # noqa: E501
+                                                        len(local_var_params['{{paramName}}']) > {{maxItems}}):  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, number of items must be less than or equal to `{{maxItems}}`")  # noqa: E501
+    {{/maxItems}}
+    {{#minItems}}
+        if self.api_client.client_side_validation and ('{{paramName}}' in local_var_params and  # noqa: E501
+                                                        len(local_var_params['{{paramName}}']) < {{minItems}}):  # noqa: E501
+            raise ApiValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, number of items must be greater than or equal to `{{minItems}}`")  # noqa: E501
+    {{/minItems}}
+{{/hasValidation}}
+{{#-last}}
+{{/-last}}
+{{/allParams}}
+        collection_formats = {}
+
+        path_params = {}
+{{#pathParams}}
+        if '{{paramName}}' in local_var_params:
+            path_params['{{baseName}}'] = local_var_params['{{paramName}}']{{#isArray}}  # noqa: E501
+            collection_formats['{{baseName}}'] = '{{collectionFormat}}'{{/isArray}}  # noqa: E501
+{{/pathParams}}
+
+        query_params = []
+{{#queryParams}}
+        if '{{paramName}}' in local_var_params and local_var_params['{{paramName}}'] is not None:  # noqa: E501
+            query_params.append(('{{baseName}}', local_var_params['{{paramName}}'])){{#isArray}}  # noqa: E501
+            collection_formats['{{baseName}}'] = '{{collectionFormat}}'{{/isArray}}  # noqa: E501
+{{/queryParams}}
+
+        header_params = {}
+{{#headerParams}}
+        if '{{paramName}}' in local_var_params:
+            header_params['{{baseName}}'] = local_var_params['{{paramName}}']{{#isArray}}  # noqa: E501
+            collection_formats['{{baseName}}'] = '{{collectionFormat}}'{{/isArray}}  # noqa: E501
+{{/headerParams}}
+
+        form_params = []
+        local_var_files = {}
+{{#formParams}}
+        if '{{paramName}}' in local_var_params:
+            {{^isFile}}form_params.append(('{{baseName}}', local_var_params['{{paramName}}'])){{/isFile}}{{#isFile}}local_var_files['{{baseName}}'] = local_var_params['{{paramName}}']{{/isFile}}{{#isArray}}  # noqa: E501
+            collection_formats['{{baseName}}'] = '{{collectionFormat}}'{{/isArray}}  # noqa: E501
+{{/formParams}}
+
+        body_params = None
+{{#bodyParam}}
+        if '{{paramName}}' in local_var_params:
+            body_params = local_var_params['{{paramName}}']
+{{/bodyParam}}
+        {{#hasProduces}}
+        # HTTP header `Accept`
+        header_params['Accept'] = self.api_client.select_header_accept(
+            [{{#produces}}'{{{mediaType}}}'{{^-last}}, {{/-last}}{{/produces}}])  # noqa: E501
+
+        {{/hasProduces}}
+        {{#hasConsumes}}
+        # HTTP header `Content-Type`
+        header_params['Content-Type'] = self.api_client.select_header_content_type(  # noqa: E501
+            [{{#consumes}}'{{{mediaType}}}'{{^-last}}, {{/-last}}{{/consumes}}])  # noqa: E501
+
+        {{/hasConsumes}}
+        # Authentication setting
+        auth_settings = [{{#authMethods}}'{{name}}'{{^-last}}, {{/-last}}{{/authMethods}}]  # noqa: E501
+        
+        {{#returnType}}
+        {{#responses}}
+        {{#-first}}
+        response_types_map = {
+        {{/-first}}
+            {{^isWildcard}}
+            {{code}}: {{#dataType}}"{{dataType}}"{{/dataType}}{{^dataType}}None{{/dataType}},
+            {{/isWildcard}}
+        {{#-last}}
+        }
+        {{/-last}}
+        {{/responses}}
+        {{/returnType}}
+        {{^returnType}}
+        response_types_map = {}
+        {{/returnType}}
+
+        return self.api_client.call_api(
+            '{{{path}}}', '{{httpMethod}}',
+            path_params,
+            query_params,
+            header_params,
+            body=body_params,
+            post_params=form_params,
+            files=local_var_files,
+            response_types_map=response_types_map,
+            auth_settings=auth_settings,
+            async_req=local_var_params.get('async_req'),
+            _return_http_data_only=local_var_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=local_var_params.get('_preload_content', True),
+            _request_timeout=local_var_params.get('_request_timeout'),
+            {{#servers.0}}
+            _host=local_var_host,
+            {{/servers.0}}
+            collection_formats=collection_formats,
+            _request_auth=local_var_params.get('_request_auth'))
+{{/operation}}
+{{/operations}}

modules/openapi-generator/src/main/resources/python-legacy/api_client.mustache

@@ -0,0 +1,717 @@
+# coding: utf-8
+{{>partial_header}}
+from __future__ import absolute_import
+
+import atexit
+import datetime
+from dateutil.parser import parse
+import json
+import mimetypes
+from multiprocessing.pool import ThreadPool
+import os
+import re
+import tempfile
+
+# python 2 and python 3 compatibility library
+import six
+from six.moves.urllib.parse import quote
+{{#tornado}}
+import tornado.gen
+{{/tornado}}
+
+from {{packageName}}.configuration import Configuration
+import {{modelPackage}}
+from {{packageName}} import rest
+from {{packageName}}.exceptions import ApiValueError, ApiException
+
+
+class ApiClient(object):
+    """Generic API client for OpenAPI client library builds.
+
+    OpenAPI generic API client. This client handles the client-
+    server communication, and is invariant across implementations. Specifics of
+    the methods and models for each application are generated from the OpenAPI
+    templates.
+
+    NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+    Do not edit the class manually.
+
+    :param configuration: .Configuration object for this client
+    :param header_name: a header to pass when making calls to the API.
+    :param header_value: a header value to pass when making calls to
+        the API.
+    :param cookie: a cookie to include in the header when making calls
+        to the API
+    :param pool_threads: The number of threads to use for async requests
+        to the API. More threads means more concurrent API requests.
+    """
+
+    PRIMITIVE_TYPES = (float, bool, bytes, six.text_type) + six.integer_types
+    NATIVE_TYPES_MAPPING = {
+        'int': int,
+        'long': int if six.PY3 else long,  # noqa: F821
+        'float': float,
+        'str': str,
+        'bool': bool,
+        'date': datetime.date,
+        'datetime': datetime.datetime,
+        'object': object,
+    }
+    _pool = None
+
+    def __init__(self, configuration=None, header_name=None, header_value=None,
+                 cookie=None, pool_threads=1):
+        if configuration is None:
+            configuration = Configuration.get_default_copy()
+        self.configuration = configuration
+        self.pool_threads = pool_threads
+
+        self.rest_client = rest.RESTClientObject(configuration)
+        self.default_headers = {}
+        if header_name is not None:
+            self.default_headers[header_name] = header_value
+        self.cookie = cookie
+        # Set default User-Agent.
+        self.user_agent = '{{#httpUserAgent}}{{{.}}}{{/httpUserAgent}}{{^httpUserAgent}}OpenAPI-Generator/{{{packageVersion}}}/python{{/httpUserAgent}}'
+        self.client_side_validation = configuration.client_side_validation
+
+    {{#asyncio}}
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc_value, traceback):
+        await self.close()
+    {{/asyncio}}
+    {{^asyncio}}
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        self.close()
+    {{/asyncio}}
+
+    {{#asyncio}}async {{/asyncio}}def close(self):
+        {{#asyncio}}
+        await self.rest_client.close()
+        {{/asyncio}}
+        if self._pool:
+            self._pool.close()
+            self._pool.join()
+            self._pool = None
+            if hasattr(atexit, 'unregister'):
+                atexit.unregister(self.close)
+
+    @property
+    def pool(self):
+        """Create thread pool on first request
+         avoids instantiating unused threadpool for blocking clients.
+        """
+        if self._pool is None:
+            atexit.register(self.close)
+            self._pool = ThreadPool(self.pool_threads)
+        return self._pool
+
+    @property
+    def user_agent(self):
+        """User agent for this API client"""
+        return self.default_headers['User-Agent']
+
+    @user_agent.setter
+    def user_agent(self, value):
+        self.default_headers['User-Agent'] = value
+
+    def set_default_header(self, header_name, header_value):
+        self.default_headers[header_name] = header_value
+
+    {{#tornado}}
+    @tornado.gen.coroutine
+    {{/tornado}}
+    {{#asyncio}}async {{/asyncio}}def __call_api(
+            self, resource_path, method, path_params=None,
+            query_params=None, header_params=None, body=None, post_params=None,
+            files=None, response_types_map=None, auth_settings=None,
+            _return_http_data_only=None, collection_formats=None,
+            _preload_content=True, _request_timeout=None, _host=None,
+            _request_auth=None):
+
+        config = self.configuration
+
+        # header parameters
+        header_params = header_params or {}
+        header_params.update(self.default_headers)
+        if self.cookie:
+            header_params['Cookie'] = self.cookie
+        if header_params:
+            header_params = self.sanitize_for_serialization(header_params)
+            header_params = dict(self.parameters_to_tuples(header_params,
+                                                           collection_formats))
+
+        # path parameters
+        if path_params:
+            path_params = self.sanitize_for_serialization(path_params)
+            path_params = self.parameters_to_tuples(path_params,
+                                                    collection_formats)
+            for k, v in path_params:
+                # specified safe chars, encode everything
+                resource_path = resource_path.replace(
+                    '{%s}' % k,
+                    quote(str(v), safe=config.safe_chars_for_path_param)
+                )
+
+        # query parameters
+        if query_params:
+            query_params = self.sanitize_for_serialization(query_params)
+            query_params = self.parameters_to_tuples(query_params,
+                                                     collection_formats)
+
+        # post parameters
+        if post_params or files:
+            post_params = post_params if post_params else []
+            post_params = self.sanitize_for_serialization(post_params)
+            post_params = self.parameters_to_tuples(post_params,
+                                                    collection_formats)
+            post_params.extend(self.files_parameters(files))
+
+        # auth setting
+        self.update_params_for_auth(
+            header_params, query_params, auth_settings,
+            request_auth=_request_auth)
+
+        # body
+        if body:
+            body = self.sanitize_for_serialization(body)
+
+        # request url
+        if _host is None:
+            url = self.configuration.host + resource_path
+        else:
+            # use server/host defined in path or operation instead
+            url = _host + resource_path
+
+        try:
+            # perform request and return response
+            response_data = {{#asyncio}}await {{/asyncio}}{{#tornado}}yield {{/tornado}}self.request(
+                method, url, query_params=query_params, headers=header_params,
+                post_params=post_params, body=body,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout)
+        except ApiException as e:
+            e.body = e.body.decode('utf-8') if six.PY3 else e.body
+            raise e
+
+        self.last_response = response_data
+
+        return_data = response_data
+
+        if not _preload_content:
+            {{^tornado}}
+            return return_data
+            {{/tornado}}
+            {{#tornado}}
+            raise tornado.gen.Return(return_data)
+            {{/tornado}}
+        
+        response_type = response_types_map.get(response_data.status, None)
+
+        if six.PY3 and response_type not in ["file", "bytes"]:
+            match = None
+            content_type = response_data.getheader('content-type')
+            if content_type is not None:
+                match = re.search(r"charset=([a-zA-Z\-\d]+)[\s\;]?", content_type)
+            encoding = match.group(1) if match else "utf-8"
+            response_data.data = response_data.data.decode(encoding)
+
+        # deserialize response data
+        
+        if response_type:
+            return_data = self.deserialize(response_data, response_type)
+        else:
+            return_data = None
+
+{{^tornado}}
+        if _return_http_data_only:
+            return (return_data)
+        else:
+            return (return_data, response_data.status,
+                    response_data.getheaders())
+{{/tornado}}
+{{#tornado}}
+        if _return_http_data_only:
+            raise tornado.gen.Return(return_data)
+        else:
+            raise tornado.gen.Return((return_data, response_data.status,
+                                      response_data.getheaders()))
+{{/tornado}}
+
+    def sanitize_for_serialization(self, obj):
+        """Builds a JSON POST object.
+
+        If obj is None, return None.
+        If obj is str, int, long, float, bool, return directly.
+        If obj is datetime.datetime, datetime.date
+            convert to string in iso8601 format.
+        If obj is list, sanitize each element in the list.
+        If obj is dict, return the dict.
+        If obj is OpenAPI model, return the properties dict.
+
+        :param obj: The data to serialize.
+        :return: The serialized form of data.
+        """
+        if obj is None:
+            return None
+        elif isinstance(obj, self.PRIMITIVE_TYPES):
+            return obj
+        elif isinstance(obj, list):
+            return [self.sanitize_for_serialization(sub_obj)
+                    for sub_obj in obj]
+        elif isinstance(obj, tuple):
+            return tuple(self.sanitize_for_serialization(sub_obj)
+                         for sub_obj in obj)
+        elif isinstance(obj, (datetime.datetime, datetime.date)):
+            return obj.isoformat()
+
+        if isinstance(obj, dict):
+            obj_dict = obj
+        else:
+            # Convert model obj to dict except
+            # attributes `openapi_types`, `attribute_map`
+            # and attributes which value is not None.
+            # Convert attribute name to json key in
+            # model definition for request.
+            obj_dict = {obj.attribute_map[attr]: getattr(obj, attr)
+                        for attr, _ in six.iteritems(obj.openapi_types)
+                        if getattr(obj, attr) is not None}
+
+        return {key: self.sanitize_for_serialization(val)
+                for key, val in six.iteritems(obj_dict)}
+
+    def deserialize(self, response, response_type):
+        """Deserializes response into an object.
+
+        :param response: RESTResponse object to be deserialized.
+        :param response_type: class literal for
+            deserialized object, or string of class name.
+
+        :return: deserialized object.
+        """
+        # handle file downloading
+        # save response body into a tmp file and return the instance
+        if response_type == "file":
+            return self.__deserialize_file(response)
+
+        # fetch data from response object
+        try:
+            data = json.loads(response.data)
+        except ValueError:
+            data = response.data
+
+        return self.__deserialize(data, response_type)
+
+    def __deserialize(self, data, klass):
+        """Deserializes dict, list, str into an object.
+
+        :param data: dict, list or str.
+        :param klass: class literal, or string of class name.
+
+        :return: object.
+        """
+        if data is None:
+            return None
+
+        if type(klass) == str:
+            if klass.startswith('list['):
+                sub_kls = re.match(r'list\[(.*)\]', klass).group(1)
+                return [self.__deserialize(sub_data, sub_kls)
+                        for sub_data in data]
+
+            if klass.startswith('dict('):
+                sub_kls = re.match(r'dict\(([^,]*), (.*)\)', klass).group(2)
+                return {k: self.__deserialize(v, sub_kls)
+                        for k, v in six.iteritems(data)}
+
+            # convert str to class
+            if klass in self.NATIVE_TYPES_MAPPING:
+                klass = self.NATIVE_TYPES_MAPPING[klass]
+            else:
+                klass = getattr({{modelPackage}}, klass)
+
+        if klass in self.PRIMITIVE_TYPES:
+            return self.__deserialize_primitive(data, klass)
+        elif klass == object:
+            return self.__deserialize_object(data)
+        elif klass == datetime.date:
+            return self.__deserialize_date(data)
+        elif klass == datetime.datetime:
+            return self.__deserialize_datetime(data)
+        else:
+            return self.__deserialize_model(data, klass)
+
+    def call_api(self, resource_path, method,
+                 path_params=None, query_params=None, header_params=None,
+                 body=None, post_params=None, files=None,
+                 response_types_map=None, auth_settings=None,
+                 async_req=None, _return_http_data_only=None,
+                 collection_formats=None,_preload_content=True,
+                  _request_timeout=None, _host=None, _request_auth=None):
+        """Makes the HTTP request (synchronous) and returns deserialized data.
+
+        To make an async_req request, set the async_req parameter.
+
+        :param resource_path: Path to method endpoint.
+        :param method: Method to call.
+        :param path_params: Path parameters in the url.
+        :param query_params: Query parameters in the url.
+        :param header_params: Header parameters to be
+            placed in the request header.
+        :param body: Request body.
+        :param post_params dict: Request post form parameters,
+            for `application/x-www-form-urlencoded`, `multipart/form-data`.
+        :param auth_settings list: Auth Settings names for the request.
+        :param response: Response data type.
+        :param files dict: key -> filename, value -> filepath,
+            for `multipart/form-data`.
+        :param async_req bool: execute request asynchronously
+        :param _return_http_data_only: response data without head status code
+                                       and headers
+        :param collection_formats: dict of collection formats for path, query,
+            header, and post parameters.
+        :param _preload_content: if False, the urllib3.HTTPResponse object will
+                                 be returned without reading/decoding response
+                                 data. Default is True.
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        :param _request_auth: set to override the auth_settings for an a single
+                              request; this effectively ignores the authentication
+                              in the spec for a single request.
+        :type _request_token: dict, optional
+        :return:
+            If async_req parameter is True,
+            the request will be called asynchronously.
+            The method will return the request thread.
+            If parameter async_req is False or missing,
+            then the method will return the response directly.
+        """
+        if not async_req:
+            return self.__call_api(resource_path, method,
+                                   path_params, query_params, header_params,
+                                   body, post_params, files,
+                                   response_types_map, auth_settings,
+                                   _return_http_data_only, collection_formats,
+                                   _preload_content, _request_timeout, _host,
+                                   _request_auth)
+
+        return self.pool.apply_async(self.__call_api, (resource_path,
+                                                       method, path_params,
+                                                       query_params,
+                                                       header_params, body,
+                                                       post_params, files,
+                                                       response_types_map,
+                                                       auth_settings,
+                                                       _return_http_data_only,
+                                                       collection_formats,
+                                                       _preload_content,
+                                                       _request_timeout,
+                                                       _host, _request_auth))
+
+    def request(self, method, url, query_params=None, headers=None,
+                post_params=None, body=None, _preload_content=True,
+                _request_timeout=None):
+        """Makes the HTTP request using RESTClient."""
+        if method == "GET":
+            return self.rest_client.GET(url,
+                                        query_params=query_params,
+                                        _preload_content=_preload_content,
+                                        _request_timeout=_request_timeout,
+                                        headers=headers)
+        elif method == "HEAD":
+            return self.rest_client.HEAD(url,
+                                         query_params=query_params,
+                                         _preload_content=_preload_content,
+                                         _request_timeout=_request_timeout,
+                                         headers=headers)
+        elif method == "OPTIONS":
+            return self.rest_client.OPTIONS(url,
+                                            query_params=query_params,
+                                            headers=headers,
+                                            _preload_content=_preload_content,
+                                            _request_timeout=_request_timeout)
+        elif method == "POST":
+            return self.rest_client.POST(url,
+                                         query_params=query_params,
+                                         headers=headers,
+                                         post_params=post_params,
+                                         _preload_content=_preload_content,
+                                         _request_timeout=_request_timeout,
+                                         body=body)
+        elif method == "PUT":
+            return self.rest_client.PUT(url,
+                                        query_params=query_params,
+                                        headers=headers,
+                                        post_params=post_params,
+                                        _preload_content=_preload_content,
+                                        _request_timeout=_request_timeout,
+                                        body=body)
+        elif method == "PATCH":
+            return self.rest_client.PATCH(url,
+                                          query_params=query_params,
+                                          headers=headers,
+                                          post_params=post_params,
+                                          _preload_content=_preload_content,
+                                          _request_timeout=_request_timeout,
+                                          body=body)
+        elif method == "DELETE":
+            return self.rest_client.DELETE(url,
+                                           query_params=query_params,
+                                           headers=headers,
+                                           _preload_content=_preload_content,
+                                           _request_timeout=_request_timeout,
+                                           body=body)
+        else:
+            raise ApiValueError(
+                "http method must be `GET`, `HEAD`, `OPTIONS`,"
+                " `POST`, `PATCH`, `PUT` or `DELETE`."
+            )
+
+    def parameters_to_tuples(self, params, collection_formats):
+        """Get parameters as list of tuples, formatting collections.
+
+        :param params: Parameters as dict or list of two-tuples
+        :param dict collection_formats: Parameter collection formats
+        :return: Parameters as list of tuples, collections formatted
+        """
+        new_params = []
+        if collection_formats is None:
+            collection_formats = {}
+        for k, v in six.iteritems(params) if isinstance(params, dict) else params:  # noqa: E501
+            if k in collection_formats:
+                collection_format = collection_formats[k]
+                if collection_format == 'multi':
+                    new_params.extend((k, value) for value in v)
+                else:
+                    if collection_format == 'ssv':
+                        delimiter = ' '
+                    elif collection_format == 'tsv':
+                        delimiter = '\t'
+                    elif collection_format == 'pipes':
+                        delimiter = '|'
+                    else:  # csv is the default
+                        delimiter = ','
+                    new_params.append(
+                        (k, delimiter.join(str(value) for value in v)))
+            else:
+                new_params.append((k, v))
+        return new_params
+
+    def files_parameters(self, files=None):
+        """Builds form parameters.
+
+        :param files: File parameters.
+        :return: Form parameters with files.
+        """
+        params = []
+
+        if files:
+            for k, v in six.iteritems(files):
+                if not v:
+                    continue
+                file_names = v if type(v) is list else [v]
+                for n in file_names:
+                    with open(n, 'rb') as f:
+                        filename = os.path.basename(f.name)
+                        filedata = f.read()
+                        mimetype = (mimetypes.guess_type(filename)[0] or
+                                    'application/octet-stream')
+                        params.append(
+                            tuple([k, tuple([filename, filedata, mimetype])]))
+
+        return params
+
+    def select_header_accept(self, accepts):
+        """Returns `Accept` based on an array of accepts provided.
+
+        :param accepts: List of headers.
+        :return: Accept (e.g. application/json).
+        """
+        if not accepts:
+            return
+
+        accepts = [x.lower() for x in accepts]
+
+        if 'application/json' in accepts:
+            return 'application/json'
+        else:
+            return ', '.join(accepts)
+
+    def select_header_content_type(self, content_types):
+        """Returns `Content-Type` based on an array of content_types provided.
+
+        :param content_types: List of content-types.
+        :return: Content-Type (e.g. application/json).
+        """
+        if not content_types:
+            return 'application/json'
+
+        content_types = [x.lower() for x in content_types]
+
+        if 'application/json' in content_types or '*/*' in content_types:
+            return 'application/json'
+        else:
+            return content_types[0]
+
+    def update_params_for_auth(self, headers, querys, auth_settings,
+                               request_auth=None):
+        """Updates header and query params based on authentication setting.
+
+        :param headers: Header parameters dict to be updated.
+        :param querys: Query parameters tuple list to be updated.
+        :param auth_settings: Authentication setting identifiers list.
+        :param request_auth: if set, the provided settings will
+                             override the token in the configuration.
+        """
+        if not auth_settings:
+            return
+
+        if request_auth:
+            self._apply_auth_params(headers, querys, request_auth)
+            return
+
+        for auth in auth_settings:
+            auth_setting = self.configuration.auth_settings().get(auth)
+            if auth_setting:
+                self._apply_auth_params(headers, querys, auth_setting)
+
+    def _apply_auth_params(self, headers, querys, auth_setting):
+        """Updates the request parameters based on a single auth_setting
+
+        :param headers: Header parameters dict to be updated.
+        :param querys: Query parameters tuple list to be updated.
+        :param auth_setting: auth settings for the endpoint
+        """
+        if auth_setting['in'] == 'cookie':
+            headers['Cookie'] = auth_setting['value']
+        elif auth_setting['in'] == 'header':
+            headers[auth_setting['key']] = auth_setting['value']
+        elif auth_setting['in'] == 'query':
+            querys.append((auth_setting['key'], auth_setting['value']))
+        else:
+            raise ApiValueError(
+                'Authentication token must be in `query` or `header`'
+            )
+
+    def __deserialize_file(self, response):
+        """Deserializes body to file
+
+        Saves response body into a file in a temporary folder,
+        using the filename from the `Content-Disposition` header if provided.
+
+        :param response:  RESTResponse.
+        :return: file path.
+        """
+        fd, path = tempfile.mkstemp(dir=self.configuration.temp_folder_path)
+        os.close(fd)
+        os.remove(path)
+
+        content_disposition = response.getheader("Content-Disposition")
+        if content_disposition:
+            filename = re.search(r'filename=[\'"]?([^\'"\s]+)[\'"]?',
+                                 content_disposition).group(1)
+            path = os.path.join(os.path.dirname(path), filename)
+
+        with open(path, "wb") as f:
+            f.write(response.data)
+
+        return path
+
+    def __deserialize_primitive(self, data, klass):
+        """Deserializes string to primitive type.
+
+        :param data: str.
+        :param klass: class literal.
+
+        :return: int, long, float, str, bool.
+        """
+        try:
+            return klass(data)
+        except UnicodeEncodeError:
+            return six.text_type(data)
+        except TypeError:
+            return data
+
+    def __deserialize_object(self, value):
+        """Return an original value.
+
+        :return: object.
+        """
+        return value
+
+    def __deserialize_date(self, string):
+        """Deserializes string to date.
+
+        :param string: str.
+        :return: date.
+        """
+        try:
+            return parse(string).date()
+        except ImportError:
+            return string
+        except ValueError:
+            raise rest.ApiException(
+                status=0,
+                reason="Failed to parse `{0}` as date object".format(string)
+            )
+
+    def __deserialize_datetime(self, string):
+        """Deserializes string to datetime.
+
+        The string should be in iso8601 datetime format.
+
+        :param string: str.
+        :return: datetime.
+        """
+        try:
+            return parse(string)
+        except ImportError:
+            return string
+        except ValueError:
+            raise rest.ApiException(
+                status=0,
+                reason=(
+                    "Failed to parse `{0}` as datetime object"
+                    .format(string)
+                )
+            )
+
+    def __deserialize_model(self, data, klass):
+        """Deserializes list or dict to model.
+
+        :param data: dict, list.
+        :param klass: class literal.
+        :return: model object.
+        """
+        has_discriminator = False
+        if (hasattr(klass, 'get_real_child_model')
+                and klass.discriminator_value_class_map):
+            has_discriminator = True
+
+        if not klass.openapi_types and has_discriminator is False:
+            return data
+
+        kwargs = {}
+        if (data is not None and
+                klass.openapi_types is not None and
+                isinstance(data, (list, dict))):
+            for attr, attr_type in six.iteritems(klass.openapi_types):
+                if klass.attribute_map[attr] in data:
+                    value = data[klass.attribute_map[attr]]
+                    kwargs[attr] = self.__deserialize(value, attr_type)
+
+        instance = klass(**kwargs)
+
+        if has_discriminator:
+            klass_name = instance.get_real_child_model(data)
+            if klass_name:
+                instance = self.__deserialize(data, klass_name)
+        return instance

modules/openapi-generator/src/main/resources/python-legacy/api_doc.mustache

@@ -11,7 +11,7 @@ Method | HTTP request | Description
 {{#operations}}
 {{#operation}}
 # **{{{operationId}}}**
-> {{#returnType}}{{{returnType}}} {{/returnType}}{{{operationId}}}({{#requiredParams}}{{^defaultValue}}{{paramName}}{{^-last}}, {{/-last}}{{/defaultValue}}{{/requiredParams}})
+> {{#returnType}}{{{returnType}}} {{/returnType}}{{{operationId}}}({{#allParams}}{{#required}}{{{paramName}}}{{/required}}{{^required}}{{{paramName}}}={{{paramName}}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}})
 
 {{{summary}}}{{#notes}}
 
@@ -35,17 +35,18 @@ Method | HTTP request | Description
 {{#isOAuth}}
 * OAuth Authentication ({{name}}):
 {{/isOAuth }}
+{{> api_doc_example }}
 {{/authMethods}}
 {{/hasAuthMethods}}
-{{> python-experimental/api_doc_example }}
+{{^hasAuthMethods}}
+{{> api_doc_example }}
+{{/hasAuthMethods}}
 ### Parameters
 {{^allParams}}This endpoint does not need any parameter.{{/allParams}}{{#allParams}}{{#-last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/-last}}{{/allParams}}
-{{#requiredParams}}{{^defaultValue}} **{{paramName}}** | {{^baseType}}**{{dataType}}**{{/baseType}}{{#baseType}}[**{{dataType}}**]({{baseType}}.md){{/baseType}}| {{description}} |
-{{/defaultValue}}{{/requiredParams}}{{#requiredParams}}{{#defaultValue}} **{{paramName}}** | {{^baseType}}**{{dataType}}**{{/baseType}}{{#baseType}}[**{{dataType}}**]({{baseType}}.md){{/baseType}}| {{description}} | defaults to {{{.}}}
-{{/defaultValue}}{{/requiredParams}}{{#optionalParams}} **{{paramName}}** | {{^baseType}}**{{dataType}}**{{/baseType}}{{#baseType}}[**{{dataType}}**]({{baseType}}.md){{/baseType}}| {{description}} | [optional]{{#defaultValue}} if omitted the server will use the default value of {{{.}}}{{/defaultValue}}
-{{/optionalParams}}
+{{#allParams}} **{{paramName}}** | {{#isFile}}**{{dataType}}**{{/isFile}}{{^isFile}}{{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{baseType}}.md){{/isPrimitiveType}}{{/isFile}}| {{description}} | {{^required}}[optional] {{/required}}{{#defaultValue}}[default to {{defaultValue}}]{{/defaultValue}}
+{{/allParams}}
 
 ### Return type
 

modules/openapi-generator/src/main/resources/python-legacy/api_doc_example.mustache

@@ -0,0 +1,26 @@
+```python
+from __future__ import print_function
+import time
+import {{{packageName}}}
+from {{{packageName}}}.rest import ApiException
+from pprint import pprint
+{{> python_doc_auth_partial}}
+# Enter a context with an instance of the API client
+{{#hasAuthMethods}}
+with {{{packageName}}}.ApiClient(configuration) as api_client:
+{{/hasAuthMethods}}
+{{^hasAuthMethods}}
+with {{{packageName}}}.ApiClient() as api_client:
+{{/hasAuthMethods}}
+    # Create an instance of the API class
+    api_instance = {{{packageName}}}.{{{classname}}}(api_client)
+    {{#allParams}}{{paramName}} = {{{example}}} # {{{dataType}}} | {{{description}}}{{^required}} (optional){{/required}}{{#defaultValue}} (default to {{{.}}}){{/defaultValue}}
+    {{/allParams}}
+
+    try:
+    {{#summary}}    # {{{.}}}
+    {{/summary}}    {{#returnType}}api_response = {{/returnType}}api_instance.{{{operationId}}}({{#allParams}}{{#required}}{{paramName}}{{/required}}{{^required}}{{paramName}}={{paramName}}{{/required}}{{^-last}}, {{/-last}}{{/allParams}}){{#returnType}}
+        pprint(api_response){{/returnType}}
+    except ApiException as e:
+        print("Exception when calling {{classname}}->{{operationId}}: %s\n" % e)
+```

modules/openapi-generator/src/main/resources/python-legacy/api_test.mustache

@@ -2,17 +2,20 @@
 
 {{>partial_header}}
 
+from __future__ import absolute_import
+
 import unittest
 
 import {{packageName}}
 from {{apiPackage}}.{{classVarName}} import {{classname}}  # noqa: E501
+from {{packageName}}.rest import ApiException
 
 
 class {{#operations}}Test{{classname}}(unittest.TestCase):
     """{{classname}} unit test stubs"""
 
     def setUp(self):
-        self.api = {{classname}}()  # noqa: E501
+        self.api = {{apiPackage}}.{{classVarName}}.{{classname}}()  # noqa: E501
 
     def tearDown(self):
         pass

modules/openapi-generator/src/main/resources/python-legacy/asyncio/rest.mustache

@@ -0,0 +1,246 @@
+# coding: utf-8
+
+{{>partial_header}}
+
+import io
+import json
+import logging
+import re
+import ssl
+
+import aiohttp
+import certifi
+# python 2 and python 3 compatibility library
+from six.moves.urllib.parse import urlencode
+
+from {{packageName}}.exceptions import ApiException, ApiValueError
+
+logger = logging.getLogger(__name__)
+
+
+class RESTResponse(io.IOBase):
+
+    def __init__(self, resp, data):
+        self.aiohttp_response = resp
+        self.status = resp.status
+        self.reason = resp.reason
+        self.data = data
+
+    def getheaders(self):
+        """Returns a CIMultiDictProxy of the response headers."""
+        return self.aiohttp_response.headers
+
+    def getheader(self, name, default=None):
+        """Returns a given response header."""
+        return self.aiohttp_response.headers.get(name, default)
+
+
+class RESTClientObject(object):
+
+    def __init__(self, configuration, pools_size=4, maxsize=None):
+
+        # maxsize is number of requests to host that are allowed in parallel
+        if maxsize is None:
+            maxsize = configuration.connection_pool_maxsize
+
+        # ca_certs
+        if configuration.ssl_ca_cert:
+            ca_certs = configuration.ssl_ca_cert
+        else:
+            # if not set certificate file, use Mozilla's root certificates.
+            ca_certs = certifi.where()
+
+        ssl_context = ssl.create_default_context(cafile=ca_certs)
+        if configuration.cert_file:
+            ssl_context.load_cert_chain(
+                configuration.cert_file, keyfile=configuration.key_file
+            )
+
+        if not configuration.verify_ssl:
+            ssl_context.check_hostname = False
+            ssl_context.verify_mode = ssl.CERT_NONE
+
+        connector = aiohttp.TCPConnector(
+            limit=maxsize,
+            ssl=ssl_context
+        )
+
+        self.proxy = configuration.proxy
+        self.proxy_headers = configuration.proxy_headers
+
+        # https pool manager
+        self.pool_manager = aiohttp.ClientSession(
+            connector=connector
+        )
+
+    async def close(self):
+        await self.pool_manager.close()
+
+    async def request(self, method, url, query_params=None, headers=None,
+                      body=None, post_params=None, _preload_content=True,
+                      _request_timeout=None):
+        """Execute request
+
+        :param method: http request method
+        :param url: http request url
+        :param query_params: query parameters in the url
+        :param headers: http request headers
+        :param body: request json body, for `application/json`
+        :param post_params: request post parameters,
+                            `application/x-www-form-urlencoded`
+                            and `multipart/form-data`
+        :param _preload_content: this is a non-applicable field for
+                                 the AiohttpClient.
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        """
+        method = method.upper()
+        assert method in ['GET', 'HEAD', 'DELETE', 'POST', 'PUT',
+                          'PATCH', 'OPTIONS']
+
+        if post_params and body:
+            raise ApiValueError(
+                "body parameter cannot be used with post_params parameter."
+            )
+
+        post_params = post_params or {}
+        headers = headers or {}
+        timeout = _request_timeout or 5 * 60
+
+        if 'Content-Type' not in headers:
+            headers['Content-Type'] = 'application/json'
+
+        args = {
+            "method": method,
+            "url": url,
+            "timeout": timeout,
+            "headers": headers
+        }
+
+        if self.proxy:
+            args["proxy"] = self.proxy
+        if self.proxy_headers:
+            args["proxy_headers"] = self.proxy_headers
+
+        if query_params:
+            args["url"] += '?' + urlencode(query_params)
+
+        # For `POST`, `PUT`, `PATCH`, `OPTIONS`, `DELETE`
+        if method in ['POST', 'PUT', 'PATCH', 'OPTIONS', 'DELETE']:
+            if re.search('json', headers['Content-Type'], re.IGNORECASE):
+                if body is not None:
+                    body = json.dumps(body)
+                args["data"] = body
+            elif headers['Content-Type'] == 'application/x-www-form-urlencoded':  # noqa: E501
+                args["data"] = aiohttp.FormData(post_params)
+            elif headers['Content-Type'] == 'multipart/form-data':
+                # must del headers['Content-Type'], or the correct
+                # Content-Type which generated by aiohttp
+                del headers['Content-Type']
+                data = aiohttp.FormData()
+                for param in post_params:
+                    k, v = param
+                    if isinstance(v, tuple) and len(v) == 3:
+                        data.add_field(k,
+                                       value=v[1],
+                                       filename=v[0],
+                                       content_type=v[2])
+                    else:
+                        data.add_field(k, v)
+                args["data"] = data
+
+            # Pass a `bytes` parameter directly in the body to support
+            # other content types than Json when `body` argument is provided
+            # in serialized form
+            elif isinstance(body, bytes):
+                args["data"] = body
+            else:
+                # Cannot generate the request from given parameters
+                msg = """Cannot prepare a request message for provided
+                         arguments. Please check that your arguments match
+                         declared content type."""
+                raise ApiException(status=0, reason=msg)
+
+        r = await self.pool_manager.request(**args)
+        if _preload_content:
+
+            data = await r.read()
+            r = RESTResponse(r, data)
+
+            # log response body
+            logger.debug("response body: %s", r.data)
+
+            if not 200 <= r.status <= 299:
+                raise ApiException(http_resp=r)
+
+        return r
+
+    async def GET(self, url, headers=None, query_params=None,
+                  _preload_content=True, _request_timeout=None):
+        return (await self.request("GET", url,
+                                   headers=headers,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   query_params=query_params))
+
+    async def HEAD(self, url, headers=None, query_params=None,
+                   _preload_content=True, _request_timeout=None):
+        return (await self.request("HEAD", url,
+                                   headers=headers,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   query_params=query_params))
+
+    async def OPTIONS(self, url, headers=None, query_params=None,
+                      post_params=None, body=None, _preload_content=True,
+                      _request_timeout=None):
+        return (await self.request("OPTIONS", url,
+                                   headers=headers,
+                                   query_params=query_params,
+                                   post_params=post_params,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   body=body))
+
+    async def DELETE(self, url, headers=None, query_params=None, body=None,
+                     _preload_content=True, _request_timeout=None):
+        return (await self.request("DELETE", url,
+                                   headers=headers,
+                                   query_params=query_params,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   body=body))
+
+    async def POST(self, url, headers=None, query_params=None,
+                   post_params=None, body=None, _preload_content=True,
+                   _request_timeout=None):
+        return (await self.request("POST", url,
+                                   headers=headers,
+                                   query_params=query_params,
+                                   post_params=post_params,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   body=body))
+
+    async def PUT(self, url, headers=None, query_params=None, post_params=None,
+                  body=None, _preload_content=True, _request_timeout=None):
+        return (await self.request("PUT", url,
+                                   headers=headers,
+                                   query_params=query_params,
+                                   post_params=post_params,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   body=body))
+
+    async def PATCH(self, url, headers=None, query_params=None,
+                    post_params=None, body=None, _preload_content=True,
+                    _request_timeout=None):
+        return (await self.request("PATCH", url,
+                                   headers=headers,
+                                   query_params=query_params,
+                                   post_params=post_params,
+                                   _preload_content=_preload_content,
+                                   _request_timeout=_request_timeout,
+                                   body=body))

modules/openapi-generator/src/main/resources/python-legacy/configuration.mustache

@@ -2,6 +2,8 @@
 
 {{>partial_header}}
 
+from __future__ import absolute_import
+
 import copy
 import logging
 {{^asyncio}}
@@ -10,7 +12,8 @@ import multiprocessing
 import sys
 import urllib3
 
-from http import client as http_client
+import six
+from six.moves import http_client as httplib
 from {{packageName}}.exceptions import ApiValueError
 
 
@@ -299,8 +302,9 @@ conf = {{{packageName}}}.Configuration(
         # Enable client side validation
         self.client_side_validation = True
 
-        # Options to pass down to the underlying urllib3 socket
         self.socket_options = None
+        """Options to pass down to the underlying urllib3 socket
+        """
 
     def __deepcopy__(self, memo):
         cls = self.__class__
@@ -385,7 +389,7 @@ conf = {{{packageName}}}.Configuration(
             # then add file handler and remove stream handler.
             self.logger_file_handler = logging.FileHandler(self.__logger_file)
             self.logger_file_handler.setFormatter(self.logger_formatter)
-            for _, logger in self.logger.items():
+            for _, logger in six.iteritems(self.logger):
                 logger.addHandler(self.logger_file_handler)
 
     @property
@@ -407,17 +411,17 @@ conf = {{{packageName}}}.Configuration(
         self.__debug = value
         if self.__debug:
             # if debug status is True, turn on debug logging
-            for _, logger in self.logger.items():
+            for _, logger in six.iteritems(self.logger):
                 logger.setLevel(logging.DEBUG)
-            # turn on http_client debug
-            http_client.HTTPConnection.debuglevel = 1
+            # turn on httplib debug
+            httplib.HTTPConnection.debuglevel = 1
         else:
             # if debug status is False, turn off debug logging,
             # setting log level to default `logging.WARNING`
-            for _, logger in self.logger.items():
+            for _, logger in six.iteritems(self.logger):
                 logger.setLevel(logging.WARNING)
-            # turn off http_client debug
-            http_client.HTTPConnection.debuglevel = 0
+            # turn off httplib debug
+            httplib.HTTPConnection.debuglevel = 0
 
     @property
     def logger_format(self):

modules/openapi-generator/src/main/resources/python-legacy/exceptions.mustache

@@ -2,6 +2,8 @@
 
 {{>partial_header}}
 
+import six
+
 
 class OpenApiException(Exception):
     """The base exception class for all OpenAPIExceptions"""
@@ -118,11 +120,35 @@ class ApiException(OpenApiException):
         return error_message
 
 
+class NotFoundException(ApiException):
+
+    def __init__(self, status=None, reason=None, http_resp=None):
+        super(NotFoundException, self).__init__(status, reason, http_resp)
+
+
+class UnauthorizedException(ApiException):
+
+    def __init__(self, status=None, reason=None, http_resp=None):
+        super(UnauthorizedException, self).__init__(status, reason, http_resp)
+
+
+class ForbiddenException(ApiException):
+
+    def __init__(self, status=None, reason=None, http_resp=None):
+        super(ForbiddenException, self).__init__(status, reason, http_resp)
+
+
+class ServiceException(ApiException):
+
+    def __init__(self, status=None, reason=None, http_resp=None):
+        super(ServiceException, self).__init__(status, reason, http_resp)
+
+
 def render_path(path_to_item):
     """Returns a string representation of a path"""
     result = ""
     for pth in path_to_item:
-        if isinstance(pth, int):
+        if isinstance(pth, six.integer_types):
             result += "[{0}]".format(pth)
         else:
             result += "['{0}']".format(pth)

modules/openapi-generator/src/main/resources/python-legacy/git_push.sh.mustache

@@ -0,0 +1,58 @@
+#!/bin/sh
+# ref: https://help.github.com/articles/adding-an-existing-project-to-github-using-the-command-line/
+#
+# Usage example: /bin/sh ./git_push.sh wing328 openapi-pestore-perl "minor update" "gitlab.com"
+
+git_user_id=$1
+git_repo_id=$2
+release_note=$3
+git_host=$4
+
+if [ "$git_host" = "" ]; then
+    git_host="{{{gitHost}}}"
+    echo "[INFO] No command line input provided. Set \$git_host to $git_host"
+fi
+
+if [ "$git_user_id" = "" ]; then
+    git_user_id="{{{gitUserId}}}"
+    echo "[INFO] No command line input provided. Set \$git_user_id to $git_user_id"
+fi
+
+if [ "$git_repo_id" = "" ]; then
+    git_repo_id="{{{gitRepoId}}}"
+    echo "[INFO] No command line input provided. Set \$git_repo_id to $git_repo_id"
+fi
+
+if [ "$release_note" = "" ]; then
+    release_note="{{{releaseNote}}}"
+    echo "[INFO] No command line input provided. Set \$release_note to $release_note"
+fi
+
+# Initialize the local directory as a Git repository
+git init
+
+# Adds the files in the local repository and stages them for commit.
+git add .
+
+# Commits the tracked changes and prepares them to be pushed to a remote repository.
+git commit -m "$release_note"
+
+# Sets the new remote
+git_remote=`git remote`
+if [ "$git_remote" = "" ]; then # git remote not defined
+
+    if [ "$GIT_TOKEN" = "" ]; then
+        echo "[INFO] \$GIT_TOKEN (environment variable) is not set. Using the git credential in your environment."
+        git remote add origin https://${git_host}/${git_user_id}/${git_repo_id}.git
+    else
+        git remote add origin https://${git_user_id}:${GIT_TOKEN}@${git_host}/${git_user_id}/${git_repo_id}.git
+    fi
+
+fi
+
+git pull origin master
+
+# Pushes (Forces) the changes in the local repository up to the remote repository
+echo "Git pushing to https://${git_host}/${git_user_id}/${git_repo_id}.git"
+git push origin master 2>&1 | grep -v 'To https'
+

modules/openapi-generator/src/main/resources/python-legacy/gitlab-ci.mustache

@@ -3,7 +3,7 @@
 stages:
   - test
 
-.tests:
+.nosetest:
   stage: test
   script:
    - pip install -r requirements.txt
@@ -15,15 +15,24 @@ stages:
    - pytest --cov={{{packageName}}}
    {{/useNose}}
 
-test-3.5:
-  extends: .tests
+nosetest-2.7:
+  extends: .nosetest
+  image: python:2.7-alpine
+nosetest-3.3:
+  extends: .nosetest
+  image: python:3.3-alpine
+nosetest-3.4:
+  extends: .nosetest
+  image: python:3.4-alpine
+nosetest-3.5:
+  extends: .nosetest
   image: python:3.5-alpine
-test-3.6:
-  extends: .tests
+nosetest-3.6:
+  extends: .nosetest
   image: python:3.6-alpine
-test-3.7:
-  extends: .tests
+nosetest-3.7:
+  extends: .nosetest
   image: python:3.7-alpine
-test-3.8:
-  extends: .tests
+nosetest-3.8:
+  extends: .nosetest
   image: python:3.8-alpine

modules/openapi-generator/src/main/resources/python-legacy/model.mustache

@@ -0,0 +1,254 @@
+# coding: utf-8
+
+{{>partial_header}}
+
+import inspect
+import pprint
+import re  # noqa: F401
+import six
+
+from {{packageName}}.configuration import Configuration
+
+
+{{#models}}
+{{#model}}
+class {{classname}}(object):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """{{#allowableValues}}
+
+    """
+    allowed enum values
+    """
+{{#enumVars}}
+    {{name}} = {{{value}}}{{^-last}}
+{{/-last}}
+{{/enumVars}}{{/allowableValues}}
+
+{{#allowableValues}}
+    allowable_values = [{{#enumVars}}{{name}}{{^-last}}, {{/-last}}{{/enumVars}}]  # noqa: E501
+
+{{/allowableValues}}
+    """
+    Attributes:
+      openapi_types (dict): The key is attribute name
+                            and the value is attribute type.
+      attribute_map (dict): The key is attribute name
+                            and the value is json key in definition.
+    """
+    openapi_types = {
+{{#vars}}
+        '{{name}}': '{{{dataType}}}'{{^-last}},{{/-last}}
+{{/vars}}
+    }
+
+    attribute_map = {
+{{#vars}}
+        '{{name}}': '{{baseName}}'{{^-last}},{{/-last}}
+{{/vars}}
+    }
+{{#discriminator}}
+
+    discriminator_value_class_map = {
+{{#children}}
+        '{{^vendorExtensions.x-discriminator-value}}{{name}}{{/vendorExtensions.x-discriminator-value}}{{#vendorExtensions.x-discriminator-value}}{{{vendorExtensions.x-discriminator-value}}}{{/vendorExtensions.x-discriminator-value}}': '{{{classname}}}'{{^-last}},{{/-last}}
+{{/children}}
+    }
+{{/discriminator}}
+
+    def __init__(self{{#vars}}, {{name}}={{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}None{{/defaultValue}}{{/vars}}, local_vars_configuration=None):  # noqa: E501
+        """{{classname}} - a model defined in OpenAPI"""  # noqa: E501
+        if local_vars_configuration is None:
+            local_vars_configuration = Configuration()
+        self.local_vars_configuration = local_vars_configuration
+{{#vars}}{{#-first}}
+{{/-first}}
+        self._{{name}} = None
+{{/vars}}
+        self.discriminator = {{#discriminator}}'{{{discriminatorName}}}'{{/discriminator}}{{^discriminator}}None{{/discriminator}}
+{{#vars}}{{#-first}}
+{{/-first}}
+{{#required}}
+        self.{{name}} = {{name}}
+{{/required}}
+{{^required}}
+{{#isNullable}}
+        self.{{name}} = {{name}}
+{{/isNullable}}
+{{^isNullable}}
+        if {{name}} is not None:
+            self.{{name}} = {{name}}
+{{/isNullable}}
+{{/required}}
+{{/vars}}
+
+{{#vars}}
+    @property
+    def {{name}}(self):
+        """Gets the {{name}} of this {{classname}}.  # noqa: E501
+
+{{#description}}
+        {{{description}}}  # noqa: E501
+{{/description}}
+
+        :return: The {{name}} of this {{classname}}.  # noqa: E501
+        :rtype: {{dataType}}
+        """
+        return self._{{name}}
+
+    @{{name}}.setter
+    def {{name}}(self, {{name}}):
+        """Sets the {{name}} of this {{classname}}.
+
+{{#description}}
+        {{{description}}}  # noqa: E501
+{{/description}}
+
+        :param {{name}}: The {{name}} of this {{classname}}.  # noqa: E501
+        :type {{name}}: {{dataType}}
+        """
+{{^isNullable}}
+{{#required}}
+        if self.local_vars_configuration.client_side_validation and {{name}} is None:  # noqa: E501
+            raise ValueError("Invalid value for `{{name}}`, must not be `None`")  # noqa: E501
+{{/required}}
+{{/isNullable}}
+{{#isEnum}}
+{{#isContainer}}
+        allowed_values = [{{#isNullable}}None,{{/isNullable}}{{#allowableValues}}{{#values}}{{#items.isString}}"{{/items.isString}}{{{this}}}{{#items.isString}}"{{/items.isString}}{{^-last}}, {{/-last}}{{/values}}{{/allowableValues}}]  # noqa: E501
+{{#isArray}}
+        if (self.local_vars_configuration.client_side_validation and
+                not set({{{name}}}).issubset(set(allowed_values))):  # noqa: E501
+            raise ValueError(
+                "Invalid values for `{{{name}}}` [{0}], must be a subset of [{1}]"  # noqa: E501
+                .format(", ".join(map(str, set({{{name}}}) - set(allowed_values))),  # noqa: E501
+                        ", ".join(map(str, allowed_values)))
+            )
+{{/isArray}}
+{{#isMap}}
+        if (self.local_vars_configuration.client_side_validation and
+                not set({{{name}}}.keys()).issubset(set(allowed_values))):  # noqa: E501
+            raise ValueError(
+                "Invalid keys in `{{{name}}}` [{0}], must be a subset of [{1}]"  # noqa: E501
+                .format(", ".join(map(str, set({{{name}}}.keys()) - set(allowed_values))),  # noqa: E501
+                        ", ".join(map(str, allowed_values)))
+            )
+{{/isMap}}
+{{/isContainer}}
+{{^isContainer}}
+        allowed_values = [{{#isNullable}}None,{{/isNullable}}{{#allowableValues}}{{#values}}{{#isString}}"{{/isString}}{{{this}}}{{#isString}}"{{/isString}}{{^-last}}, {{/-last}}{{/values}}{{/allowableValues}}]  # noqa: E501
+        if self.local_vars_configuration.client_side_validation and {{{name}}} not in allowed_values:  # noqa: E501
+            raise ValueError(
+                "Invalid value for `{{{name}}}` ({0}), must be one of {1}"  # noqa: E501
+                .format({{{name}}}, allowed_values)
+            )
+{{/isContainer}}
+{{/isEnum}}
+{{^isEnum}}
+{{#hasValidation}}
+{{#maxLength}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and len({{name}}) > {{maxLength}}):
+            raise ValueError("Invalid value for `{{name}}`, length must be less than or equal to `{{maxLength}}`")  # noqa: E501
+{{/maxLength}}
+{{#minLength}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and len({{name}}) < {{minLength}}):
+            raise ValueError("Invalid value for `{{name}}`, length must be greater than or equal to `{{minLength}}`")  # noqa: E501
+{{/minLength}}
+{{#maximum}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and {{name}} >{{#exclusiveMaximum}}={{/exclusiveMaximum}} {{maximum}}):  # noqa: E501
+            raise ValueError("Invalid value for `{{name}}`, must be a value less than {{^exclusiveMaximum}}or equal to {{/exclusiveMaximum}}`{{maximum}}`")  # noqa: E501
+{{/maximum}}
+{{#minimum}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and {{name}} <{{#exclusiveMinimum}}={{/exclusiveMinimum}} {{minimum}}):  # noqa: E501
+            raise ValueError("Invalid value for `{{name}}`, must be a value greater than {{^exclusiveMinimum}}or equal to {{/exclusiveMinimum}}`{{minimum}}`")  # noqa: E501
+{{/minimum}}
+{{#pattern}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and not re.search(r'{{{vendorExtensions.x-regex}}}', {{name}}{{#vendorExtensions.x-modifiers}}{{#-first}}, flags={{/-first}}re.{{.}}{{^-last}} | {{/-last}}{{/vendorExtensions.x-modifiers}})):  # noqa: E501
+            raise ValueError(r"Invalid value for `{{name}}`, must be a follow pattern or equal to `{{{pattern}}}`")  # noqa: E501
+{{/pattern}}
+{{#maxItems}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and len({{name}}) > {{maxItems}}):
+            raise ValueError("Invalid value for `{{name}}`, number of items must be less than or equal to `{{maxItems}}`")  # noqa: E501
+{{/maxItems}}
+{{#minItems}}
+        if (self.local_vars_configuration.client_side_validation and
+                {{name}} is not None and len({{name}}) < {{minItems}}):
+            raise ValueError("Invalid value for `{{name}}`, number of items must be greater than or equal to `{{minItems}}`")  # noqa: E501
+{{/minItems}}
+{{/hasValidation}}
+{{/isEnum}}
+
+        self._{{name}} = {{name}}
+
+{{/vars}}
+{{#discriminator}}
+    def get_real_child_model(self, data):
+        """Returns the real base class specified by the discriminator"""
+        discriminator_key = self.attribute_map[self.discriminator]
+        discriminator_value = data[discriminator_key]
+        return self.discriminator_value_class_map.get(discriminator_value)
+
+{{/discriminator}}
+    def to_dict(self, serialize=False):
+        """Returns the model properties as a dict"""
+        result = {}
+
+        def convert(x):
+            if hasattr(x, "to_dict"):
+                args = inspect.getargspec(x.to_dict).args
+                if len(args) == 1:
+                    return x.to_dict()
+                else:
+                    return x.to_dict(serialize)
+            else:
+                return x
+
+        for attr, _ in six.iteritems(self.openapi_types):
+            value = getattr(self, attr)
+            attr = self.attribute_map.get(attr, attr) if serialize else attr
+            if isinstance(value, list):
+                result[attr] = list(map(
+                    lambda x: convert(x),
+                    value
+                ))
+            elif isinstance(value, dict):
+                result[attr] = dict(map(
+                    lambda item: (item[0], convert(item[1])),
+                    value.items()
+                ))
+            else:
+                result[attr] = convert(value)
+
+        return result
+
+    def to_str(self):
+        """Returns the string representation of the model"""
+        return pprint.pformat(self.to_dict())
+
+    def __repr__(self):
+        """For `print` and `pprint`"""
+        return self.to_str()
+
+    def __eq__(self, other):
+        """Returns true if both objects are equal"""
+        if not isinstance(other, {{classname}}):
+            return False
+
+        return self.to_dict() == other.to_dict()
+
+    def __ne__(self, other):
+        """Returns true if both objects are not equal"""
+        if not isinstance(other, {{classname}}):
+            return True
+
+        return self.to_dict() != other.to_dict()
+{{/model}}
+{{/models}}

modules/openapi-generator/src/main/resources/python-legacy/model_doc.mustache

@@ -0,0 +1,13 @@
+{{#models}}{{#model}}# {{classname}}
+
+{{#description}}{{&description}}
+{{/description}}
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+{{#vars}}**{{name}}** | {{#isPrimitiveType}}**{{dataType}}**{{/isPrimitiveType}}{{^isPrimitiveType}}[**{{dataType}}**]({{complexType}}.md){{/isPrimitiveType}} | {{description}} | {{^required}}[optional] {{/required}}{{#isReadOnly}}[readonly] {{/isReadOnly}}{{#defaultValue}}[default to {{{.}}}]{{/defaultValue}}
+{{/vars}}
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+{{/model}}{{/models}}

modules/openapi-generator/src/main/resources/python-legacy/model_test.mustache

@@ -0,0 +1,64 @@
+# coding: utf-8
+
+{{>partial_header}}
+
+from __future__ import absolute_import
+
+import unittest
+import datetime
+
+{{#models}}
+{{#model}}
+import {{packageName}}
+from {{modelPackage}}.{{classFilename}} import {{classname}}  # noqa: E501
+from {{packageName}}.rest import ApiException
+
+class Test{{classname}}(unittest.TestCase):
+    """{{classname}} unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+{{^interfaces}}
+
+    def make_instance(self, include_optional):
+        """Test {{classname}}
+            include_option is a boolean, when False only required
+            params are included, when True both required and
+            optional params are included """
+        # model = {{packageName}}.models.{{classFilename}}.{{classname}}()  # noqa: E501
+        if include_optional :
+            return {{classname}}(
+{{#vars}}
+                {{name}} = {{#example}}{{{.}}}{{/example}}{{^example}}None{{/example}}{{^-last}}, {{/-last}}
+{{/vars}}
+            )
+        else :
+            return {{classname}}(
+{{#vars}}
+{{#required}}
+                {{name}} = {{#example}}{{{.}}}{{/example}}{{^example}}None{{/example}},
+{{/required}}
+{{/vars}}
+        )
+{{/interfaces}}
+
+    def test{{classname}}(self):
+        """Test {{classname}}"""
+{{^interfaces}}
+        inst_req_only = self.make_instance(include_optional=False)
+        inst_req_and_optional = self.make_instance(include_optional=True)
+{{/interfaces}}
+{{#interfaces}}
+{{#-last}}
+        # inst_req_only = self.make_instance(include_optional=False)
+        # inst_req_and_optional = self.make_instance(include_optional=True)
+{{/-last}}
+{{/interfaces}}
+{{/model}}
+{{/models}}
+
+if __name__ == '__main__':
+    unittest.main()

modules/openapi-generator/src/main/resources/python-legacy/partial_header.mustache

@@ -0,0 +1,17 @@
+"""
+{{#appName}}
+    {{{appName}}}
+{{/appName}}
+
+{{#appDescription}}
+    {{{appDescription}}}  # noqa: E501
+{{/appDescription}}
+
+    {{#version}}
+    The version of the OpenAPI document: {{{version}}}
+    {{/version}}
+    {{#infoEmail}}
+    Contact: {{{infoEmail}}}
+    {{/infoEmail}}
+    Generated by: https://openapi-generator.tech
+"""

modules/openapi-generator/src/main/resources/python-legacy/python_doc_auth_partial.mustache

@@ -0,0 +1,109 @@
+# Defining the host is optional and defaults to {{{basePath}}}
+# See configuration.py for a list of all supported configuration parameters.
+configuration = {{{packageName}}}.Configuration(
+    host = "{{{basePath}}}"
+)
+
+{{#hasAuthMethods}}
+# The client must configure the authentication and authorization parameters
+# in accordance with the API server security policy.
+# Examples for each auth method are provided below, use the example that
+# satisfies your auth use case.
+{{#authMethods}}
+{{#isBasic}}
+{{#isBasicBasic}}
+
+# Configure HTTP basic authorization: {{{name}}}
+configuration = {{{packageName}}}.Configuration(
+    username = 'YOUR_USERNAME',
+    password = 'YOUR_PASSWORD'
+)
+{{/isBasicBasic}}
+{{#isBasicBearer}}
+
+# Configure Bearer authorization{{#bearerFormat}} ({{{.}}}){{/bearerFormat}}: {{{name}}}
+configuration = {{{packageName}}}.Configuration(
+    access_token = 'YOUR_BEARER_TOKEN'
+)
+{{/isBasicBearer}}
+{{#isHttpSignature}}
+
+# Configure HTTP message signature: {{{name}}}
+# The HTTP Signature Header mechanism that can be used by a client to
+# authenticate the sender of a message and ensure that particular headers
+# have not been modified in transit.
+#
+# You can specify the signing key-id, private key path, signing scheme,
+# signing algorithm, list of signed headers and signature max validity.
+# The 'key_id' parameter is an opaque string that the API server can use
+# to lookup the client and validate the signature.
+# The 'private_key_path' parameter should be the path to a file that
+# contains a DER or base-64 encoded private key.
+# The 'private_key_passphrase' parameter is optional. Set the passphrase
+# if the private key is encrypted.
+# The 'signed_headers' parameter is used to specify the list of
+# HTTP headers included when generating the signature for the message.
+# You can specify HTTP headers that you want to protect with a cryptographic
+# signature. Note that proxies may add, modify or remove HTTP headers
+# for legitimate reasons, so you should only add headers that you know
+# will not be modified. For example, if you want to protect the HTTP request
+# body, you can specify the Digest header. In that case, the client calculates
+# the digest of the HTTP request body and includes the digest in the message
+# signature.
+# The 'signature_max_validity' parameter is optional. It is configured as a
+# duration to express when the signature ceases to be valid. The client calculates
+# the expiration date every time it generates the cryptographic signature
+# of an HTTP request. The API server may have its own security policy
+# that controls the maximum validity of the signature. The client max validity
+# must be lower than the server max validity.
+# The time on the client and server must be synchronized, otherwise the
+# server may reject the client signature.
+#
+# The client must use a combination of private key, signing scheme,
+# signing algorithm and hash algorithm that matches the security policy of
+# the API server.
+#
+# See {{{packageName}}}.signing for a list of all supported parameters.
+configuration = {{{packageName}}}.Configuration(
+    host = "{{{basePath}}}",
+    signing_info = {{{packageName}}}.signing.HttpSigningConfiguration(
+        key_id = 'my-key-id',
+        private_key_path = 'private_key.pem',
+        private_key_passphrase = 'YOUR_PASSPHRASE',
+        signing_scheme = {{{packageName}}}.signing.SCHEME_HS2019,
+        signing_algorithm = {{{packageName}}}.signing.ALGORITHM_ECDSA_MODE_FIPS_186_3,
+        hash_algorithm = {{{packageName}}}.signing.SCHEME_RSA_SHA256,
+        signed_headers = [
+                            {{{packageName}}}.signing.HEADER_REQUEST_TARGET,
+                            {{{packageName}}}.signing.HEADER_CREATED,
+                            {{{packageName}}}.signing.HEADER_EXPIRES,
+                            {{{packageName}}}.signing.HEADER_HOST,
+                            {{{packageName}}}.signing.HEADER_DATE,
+                            {{{packageName}}}.signing.HEADER_DIGEST,
+                            'Content-Type',
+                            'Content-Length',
+                            'User-Agent'
+                         ],
+        signature_max_validity = datetime.timedelta(minutes=5)
+    )
+)
+{{/isHttpSignature}}
+{{/isBasic}}
+{{#isApiKey}}
+
+# Configure API key authorization: {{{name}}}
+configuration.api_key['{{{name}}}'] = 'YOUR_API_KEY'
+
+# Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
+# configuration.api_key_prefix['{{name}}'] = 'Bearer'
+{{/isApiKey}}
+{{#isOAuth}}
+
+# Configure OAuth2 access token for authorization: {{{name}}}
+configuration = {{{packageName}}}.Configuration(
+    host = "{{{basePath}}}"
+)
+configuration.access_token = 'YOUR_ACCESS_TOKEN'
+{{/isOAuth}}
+{{/authMethods}}
+{{/hasAuthMethods}}

modules/openapi-generator/src/main/resources/python-legacy/requirements.mustache

@@ -1,5 +1,6 @@
-nulltype
 certifi >= 14.05.14
+future; python_version<="2.7"
+six >= 1.10
 python_dateutil >= 2.5.3
 setuptools >= 21.0.0
 urllib3 >= 1.15.1

modules/openapi-generator/src/main/resources/python-legacy/rest.mustache

@@ -2,17 +2,21 @@
 
 {{>partial_header}}
 
+from __future__ import absolute_import
+
 import io
 import json
 import logging
 import re
 import ssl
-from urllib.parse import urlencode
 
 import certifi
+# python 2 and python 3 compatibility library
+import six
+from six.moves.urllib.parse import urlencode
 import urllib3
 
-from {{packageName}}.exceptions import ApiException, ApiValueError
+from {{packageName}}.exceptions import ApiException, UnauthorizedException, ForbiddenException, NotFoundException, ServiceException, ApiValueError
 
 
 logger = logging.getLogger(__name__)
@@ -132,7 +136,7 @@ class RESTClientObject(object):
 
         timeout = None
         if _request_timeout:
-            if isinstance(_request_timeout, (int, float)):  # noqa: E501,F821
+            if isinstance(_request_timeout, six.integer_types + (float, )):  # noqa: E501,F821
                 timeout = urllib3.Timeout(total=_request_timeout)
             elif (isinstance(_request_timeout, tuple) and
                   len(_request_timeout) == 2):
@@ -212,6 +216,18 @@ class RESTClientObject(object):
             logger.debug("response body: %s", r.data)
 
         if not 200 <= r.status <= 299:
+            if r.status == 401:
+                raise UnauthorizedException(http_resp=r)
+
+            if r.status == 403:
+                raise ForbiddenException(http_resp=r)
+
+            if r.status == 404:
+                raise NotFoundException(http_resp=r)
+
+            if 500 <= r.status <= 599:
+                raise ServiceException(http_resp=r)
+
             raise ApiException(http_resp=r)
 
         return r

modules/openapi-generator/src/main/resources/python-legacy/setup.mustache

@@ -16,22 +16,13 @@ VERSION = "{{packageVersion}}"
 # prerequisite: setuptools
 # http://pypi.python.org/pypi/setuptools
 
-REQUIRES = [
-  "urllib3 >= 1.15",
-  "certifi",
-  "python-dateutil",
-  "nulltype",
+REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil"]
 {{#asyncio}}
-  "aiohttp >= 3.0.0",
+REQUIRES.append("aiohttp >= 3.0.0")
 {{/asyncio}}
 {{#tornado}}
-  "tornado>=4.2,<5",
+REQUIRES.append("tornado>=4.2,<5")
 {{/tornado}}
-{{#hasHttpSignatureMethods}}
-  "pem>=19.3.0",
-  "pycryptodome>=3.9.0",
-{{/hasHttpSignatureMethods}}
-]
 
 setup(
     name=NAME,
@@ -41,7 +32,6 @@ setup(
     author_email="{{#infoEmail}}{{infoEmail}}{{/infoEmail}}{{^infoEmail}}team@openapitools.org{{/infoEmail}}",
     url="{{packageUrl}}",
     keywords=["OpenAPI", "OpenAPI-Generator", "{{{appName}}}"],
-    python_requires=">=3.5",
     install_requires=REQUIRES,
     packages=find_packages(exclude=["test", "tests"]),
     include_package_data=True,

modules/openapi-generator/src/main/resources/python-legacy/setup_cfg.mustache

@@ -0,0 +1,13 @@
+{{#useNose}}
+[nosetests]
+logging-clear-handlers=true
+verbosity=2
+randomize=true
+exe=true
+with-coverage=true
+cover-package={{{packageName}}}
+cover-erase=true
+
+{{/useNose}}
+[flake8]
+max-line-length=99

modules/openapi-generator/src/main/resources/python-legacy/test-requirements.mustache

@@ -0,0 +1,12 @@
+{{#useNose}}
+coverage>=4.0.3
+nose>=1.3.7
+pluggy>=0.3.1
+py>=1.4.31
+randomize>=0.13
+{{/useNose}}
+{{^useNose}}
+pytest~=4.6.7 # needed for python 2.7+3.4
+pytest-cov>=2.8.1
+pytest-randomly==1.2.3 # needed for python 2.7+3.4
+{{/useNose}}

modules/openapi-generator/src/main/resources/python-legacy/tornado/rest.mustache

@@ -0,0 +1,224 @@
+# coding: utf-8
+
+{{>partial_header}}
+
+import io
+import json
+import logging
+import re
+
+# python 2 and python 3 compatibility library
+from six.moves.urllib.parse import urlencode
+import tornado
+import tornado.gen
+from tornado import httpclient
+from urllib3.filepost import encode_multipart_formdata
+
+from {{packageName}}.exceptions import ApiException, ApiValueError
+
+logger = logging.getLogger(__name__)
+
+
+class RESTResponse(io.IOBase):
+
+    def __init__(self, resp):
+        self.tornado_response = resp
+        self.status = resp.code
+        self.reason = resp.reason
+
+        if resp.body:
+            self.data = resp.body
+        else:
+            self.data = None
+
+    def getheaders(self):
+        """Returns a CIMultiDictProxy of the response headers."""
+        return self.tornado_response.headers
+
+    def getheader(self, name, default=None):
+        """Returns a given response header."""
+        return self.tornado_response.headers.get(name, default)
+
+
+class RESTClientObject(object):
+
+    def __init__(self, configuration, pools_size=4, maxsize=4):
+        # maxsize is number of requests to host that are allowed in parallel
+
+        self.ca_certs = configuration.ssl_ca_cert
+        self.client_key = configuration.key_file
+        self.client_cert = configuration.cert_file
+
+        self.proxy_port = self.proxy_host = None
+
+        # https pool manager
+        if configuration.proxy:
+            self.proxy_port = 80
+            self.proxy_host = configuration.proxy
+
+        self.pool_manager = httpclient.AsyncHTTPClient()
+
+    @tornado.gen.coroutine
+    def request(self, method, url, query_params=None, headers=None, body=None,
+                post_params=None, _preload_content=True,
+                _request_timeout=None):
+        """Execute Request
+
+        :param method: http request method
+        :param url: http request url
+        :param query_params: query parameters in the url
+        :param headers: http request headers
+        :param body: request json body, for `application/json`
+        :param post_params: request post parameters,
+                            `application/x-www-form-urlencoded`
+                            and `multipart/form-data`
+        :param _preload_content: this is a non-applicable field for
+                                 the AiohttpClient.
+        :param _request_timeout: timeout setting for this request. If one
+                                 number provided, it will be total request
+                                 timeout. It can also be a pair (tuple) of
+                                 (connection, read) timeouts.
+        """
+        method = method.upper()
+        assert method in ['GET', 'HEAD', 'DELETE', 'POST', 'PUT',
+                          'PATCH', 'OPTIONS']
+
+        if post_params and body:
+            raise ApiValueError(
+                "body parameter cannot be used with post_params parameter."
+            )
+
+        request = httpclient.HTTPRequest(url)
+        request.allow_nonstandard_methods = True
+        request.ca_certs = self.ca_certs
+        request.client_key = self.client_key
+        request.client_cert = self.client_cert
+        request.proxy_host = self.proxy_host
+        request.proxy_port = self.proxy_port
+        request.method = method
+        if headers:
+            request.headers = headers
+        if 'Content-Type' not in headers:
+            request.headers['Content-Type'] = 'application/json'
+        request.request_timeout = _request_timeout or 5 * 60
+
+        post_params = post_params or {}
+
+        if query_params:
+            request.url += '?' + urlencode(query_params)
+
+        # For `POST`, `PUT`, `PATCH`, `OPTIONS`, `DELETE`
+        if method in ['POST', 'PUT', 'PATCH', 'OPTIONS', 'DELETE']:
+            if re.search('json', headers['Content-Type'], re.IGNORECASE):
+                if body:
+                    body = json.dumps(body)
+                request.body = body
+            elif headers['Content-Type'] == 'application/x-www-form-urlencoded':  # noqa: E501
+                request.body = urlencode(post_params)
+            elif headers['Content-Type'] == 'multipart/form-data':
+                multipart = encode_multipart_formdata(post_params)
+                request.body, headers['Content-Type'] = multipart
+            # Pass a `bytes` parameter directly in the body to support
+            # other content types than Json when `body` argument is provided
+            # in serialized form
+            elif isinstance(body, bytes):
+                request.body = body
+            else:
+                # Cannot generate the request from given parameters
+                msg = """Cannot prepare a request message for provided
+                         arguments. Please check that your arguments match
+                         declared content type."""
+                raise ApiException(status=0, reason=msg)
+
+        r = yield self.pool_manager.fetch(request, raise_error=False)
+
+        if _preload_content:
+
+            r = RESTResponse(r)
+
+            # log response body
+            logger.debug("response body: %s", r.data)
+
+        if not 200 <= r.status <= 299:
+            raise ApiException(http_resp=r)
+
+        raise tornado.gen.Return(r)
+
+    @tornado.gen.coroutine
+    def GET(self, url, headers=None, query_params=None, _preload_content=True,
+            _request_timeout=None):
+        result = yield self.request("GET", url,
+                                    headers=headers,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    query_params=query_params)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def HEAD(self, url, headers=None, query_params=None, _preload_content=True,
+             _request_timeout=None):
+        result = yield self.request("HEAD", url,
+                                    headers=headers,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    query_params=query_params)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def OPTIONS(self, url, headers=None, query_params=None, post_params=None,
+                body=None, _preload_content=True, _request_timeout=None):
+        result = yield self.request("OPTIONS", url,
+                                    headers=headers,
+                                    query_params=query_params,
+                                    post_params=post_params,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    body=body)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def DELETE(self, url, headers=None, query_params=None, body=None,
+               _preload_content=True, _request_timeout=None):
+        result = yield self.request("DELETE", url,
+                                    headers=headers,
+                                    query_params=query_params,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    body=body)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def POST(self, url, headers=None, query_params=None, post_params=None,
+             body=None, _preload_content=True, _request_timeout=None):
+        result = yield self.request("POST", url,
+                                    headers=headers,
+                                    query_params=query_params,
+                                    post_params=post_params,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    body=body)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def PUT(self, url, headers=None, query_params=None, post_params=None,
+            body=None, _preload_content=True, _request_timeout=None):
+        result = yield self.request("PUT", url,
+                                    headers=headers,
+                                    query_params=query_params,
+                                    post_params=post_params,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    body=body)
+        raise tornado.gen.Return(result)
+
+    @tornado.gen.coroutine
+    def PATCH(self, url, headers=None, query_params=None, post_params=None,
+              body=None, _preload_content=True, _request_timeout=None):
+        result = yield self.request("PATCH", url,
+                                    headers=headers,
+                                    query_params=query_params,
+                                    post_params=post_params,
+                                    _preload_content=_preload_content,
+                                    _request_timeout=_request_timeout,
+                                    body=body)
+        raise tornado.gen.Return(result)

modules/openapi-generator/src/main/resources/python-legacy/tox.mustache

@@ -1,5 +1,10 @@
 [tox]
+{{^asyncio}}
+envlist = py27, py3
+{{/asyncio}}
+{{#asyncio}}
 envlist = py3
+{{/asyncio}}
 
 [testenv]
 deps=-r{toxinidir}/requirements.txt

modules/openapi-generator/src/main/resources/python-legacy/travis.mustache

@@ -1,6 +1,10 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"

modules/openapi-generator/src/main/resources/python/README.mustache

@@ -17,7 +17,7 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 
 ## Requirements.
 
-Python 2.7 and 3.4+
+Python >= 3.5
 
 ## Installation & Usage
 ### pip install
@@ -52,4 +52,4 @@ import {{{packageName}}}
 
 Please follow the [installation procedure](#installation--usage) and then run the following:
 
-{{> common_README }}
+{{> README_common }}

modules/openapi-generator/src/main/resources/python/README_onlypackage.mustache

@@ -17,7 +17,7 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 
 ## Requirements.
 
-Python 2.7 and 3.4+
+Python >= 3.5
 
 ## Installation & Usage
 
@@ -26,7 +26,6 @@ This python library package is generated without supporting files like setup.py
 To be able to use it, you will need these dependencies in your own package that uses this library:
 
 * urllib3 >= 1.15
-* six >= 1.10
 * certifi
 * python-dateutil
 {{#asyncio}}
@@ -41,4 +40,4 @@ To be able to use it, you will need these dependencies in your own package that
 In your own code, to use this library to connect and interact with {{{projectName}}},
 you can run the following:
 
-{{> common_README }}
+{{> README_common }}

modules/openapi-generator/src/main/resources/python/__init__api.mustache

@@ -1,7 +1,9 @@
-from __future__ import absolute_import
-
-# flake8: noqa
-
-# import apis into api package
-{{#apiInfo}}{{#apis}}from {{apiPackage}}.{{classVarName}} import {{classname}}
-{{/apis}}{{/apiInfo}}
+{{#apiInfo}}
+{{#apis}}
+{{#-first}}
+# do not import all apis into this module because that uses a lot of memory and stack frames
+# if you need the ability to import all apis from one package, import them with
+# from {{packageName}}.apis import {{classname}}
+{{/-first}}
+{{/apis}}
+{{/apiInfo}}