[python-nextgen] Better oneOf, anyOf support (#14743)

* better oneof, anyof support

* improve anyof support

* fix deprecation warning

* fix anyof, add tests

* add nullable support, add test

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

@@ -403,8 +403,23 @@ public class PythonNextgenClientCodegen extends AbstractPythonCodegen implements
         }
 
         if (cp.isArray) {
+            if (cp.maxItems != null || cp.minItems != null) {
+                String maxOrMinItems = "";
+                if (cp.maxItems != null) {
+                    maxOrMinItems += String.format(Locale.ROOT, ", max_items=%d", cp.maxItems);
+                }
+                if (cp.minItems != null) {
+                    maxOrMinItems += String.format(Locale.ROOT, ", min_items=%d", cp.minItems);
+                }
+                pydanticImports.add("conlist");
+                return String.format(Locale.ROOT, "conlist(%s%s)",
+                        getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports),
+                        maxOrMinItems);
+
+            } else {
                 typingImports.add("List");
                 return String.format(Locale.ROOT, "List[%s]", getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports));
+            }
         } else if (cp.isMap) {
             typingImports.add("Dict");
             return String.format(Locale.ROOT, "Dict[str, %s]", getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports));
@@ -638,8 +653,22 @@ public class PythonNextgenClientCodegen extends AbstractPythonCodegen implements
             return String.format(Locale.ROOT, "%sEnum", cp.nameInCamelCase);
         } else*/
         if (cp.isArray) {
+            if (cp.maxItems != null || cp.minItems != null) {
+                String maxOrMinItems = "";
+                if (cp.maxItems != null) {
+                    maxOrMinItems += String.format(Locale.ROOT, ", max_items=%d", cp.maxItems);
+                }
+                if (cp.minItems != null) {
+                    maxOrMinItems += String.format(Locale.ROOT, ", min_items=%d", cp.minItems);
+                }
+                pydanticImports.add("conlist");
+                return String.format(Locale.ROOT, "conlist(%s%s)",
+                        getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports),
+                        maxOrMinItems);
+            } else {
                 typingImports.add("List");
                 return String.format(Locale.ROOT, "List[%s]", getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports));
+            }
         } else if (cp.isMap) {
             typingImports.add("Dict");
             return String.format(Locale.ROOT, "Dict[str, %s]", getPydanticType(cp.items, typingImports, pydanticImports, datetimeImports, modelImports));
@@ -1077,9 +1106,9 @@ public class PythonNextgenClientCodegen extends AbstractPythonCodegen implements
 
                 // setup x-py-name for each oneOf/anyOf schema
                 if (!model.oneOf.isEmpty()) { // oneOf
-                    cp.vendorExtensions.put("x-py-name", String.format(Locale.ROOT, "__oneof_schema_%d", property_count++));
+                    cp.vendorExtensions.put("x-py-name", String.format(Locale.ROOT, "oneof_schema_%d_validator", property_count++));
                 } else if (!model.anyOf.isEmpty()) { // anyOf
-                    cp.vendorExtensions.put("x-py-name", String.format(Locale.ROOT, "__anyof_schema_%d", property_count++));
+                    cp.vendorExtensions.put("x-py-name", String.format(Locale.ROOT, "anyof_schema_%d_validator", property_count++));
                 }
             }
 

modules/openapi-generator/src/main/resources/python-nextgen/model_anyof.mustache

@@ -1,5 +1,6 @@
 from __future__ import annotations
 from inspect import getfullargspec
+import json
 import pprint
 import re  # noqa: F401
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
@@ -39,14 +40,38 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
 
     @validator('actual_instance')
     def actual_instance_must_validate_anyof(cls, v):
+        {{#isNullable}}
+        if v is None:
+            return v
+
+        {{/isNullable}}
+        instance = cls()
         error_messages = []
         {{#composedSchemas.anyOf}}
         # validate data type: {{{dataType}}}
-        if type(v) is not {{^isPrimitiveType}}{{/isPrimitiveType}}{{{dataType}}}:
+        {{#isContainer}}
+        try:
+            instance.{{vendorExtensions.x-py-name}} = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isContainer}}
+        {{^isContainer}}
+        {{#isPrimitiveType}}
+        try:
+            instance.{{vendorExtensions.x-py-name}} = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isPrimitiveType}}
+        {{^isPrimitiveType}}
+        if type(v) is not {{{dataType}}}:
             error_messages.append(f"Error! Input type `{type(v)}` is not `{{{dataType}}}`")
         else:
             return v
 
+        {{/isPrimitiveType}}
+        {{/isContainer}}
         {{/composedSchemas.anyOf}}
         if error_messages:
             # no match
@@ -58,8 +83,36 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
     def from_json(cls, json_str: str) -> {{{classname}}}:
         """Returns the object represented by the json string"""
         instance = cls()
+        {{#isNullable}}
+        if json_str is None:
+            return instance
+
+        {{/isNullable}}
         error_messages = []
         {{#composedSchemas.anyOf}}
+        {{#isContainer}}
+        # deserialize data into {{{dataType}}}
+        try:
+            # validation
+            instance.{{vendorExtensions.x-py-name}} = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.{{vendorExtensions.x-py-name}}
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isContainer}}
+        {{^isContainer}}
+        {{#isPrimitiveType}}
+        # deserialize data into {{{dataType}}}
+        try:
+            # validation
+            instance.{{vendorExtensions.x-py-name}} = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.{{vendorExtensions.x-py-name}}
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isPrimitiveType}}
         {{^isPrimitiveType}}
         # {{vendorExtensions.x-py-name}}: {{{vendorExtensions.x-py-typing}}}
         try:
@@ -68,6 +121,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         except ValidationError as e:
              error_messages.append(str(e))
         {{/isPrimitiveType}}
+        {{/isContainer}}
         {{/composedSchemas.anyOf}}
 
         if error_messages:

modules/openapi-generator/src/main/resources/python-nextgen/model_oneof.mustache

@@ -1,7 +1,7 @@
 from __future__ import annotations
 from inspect import getfullargspec
-import pprint
 import json
+import pprint
 import re  # noqa: F401
 {{#vendorExtensions.x-py-datetime-imports}}{{#-first}}from datetime import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-datetime-imports}}
 {{#vendorExtensions.x-py-typing-imports}}{{#-first}}from typing import{{/-first}} {{{.}}}{{^-last}},{{/-last}}{{/vendorExtensions.x-py-typing-imports}}
@@ -40,15 +40,39 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
 
     @validator('actual_instance')
     def actual_instance_must_validate_oneof(cls, v):
+        {{#isNullable}}
+        if v is None:
+            return v
+
+        {{/isNullable}}
+        instance = cls()
         error_messages = []
         match = 0
         {{#composedSchemas.oneOf}}
         # validate data type: {{{dataType}}}
-        if type(v) is not {{^isPrimitiveType}}{{/isPrimitiveType}}{{{dataType}}}:
+        {{#isContainer}}
+        try:
+            instance.{{vendorExtensions.x-py-name}} = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isContainer}}
+        {{^isContainer}}
+        {{#isPrimitiveType}}
+        try:
+            instance.{{vendorExtensions.x-py-name}} = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isPrimitiveType}}
+        {{^isPrimitiveType}}
+        if type(v) is not {{{dataType}}}:
             error_messages.append(f"Error! Input type `{type(v)}` is not `{{{dataType}}}`")
         else:
             match += 1
 
+        {{/isPrimitiveType}}
+        {{/isContainer}}
         {{/composedSchemas.oneOf}}
         if match > 1:
             # more than 1 match
@@ -67,6 +91,11 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
     def from_json(cls, json_str: str) -> {{{classname}}}:
         """Returns the object represented by the json string"""
         instance = cls()
+        {{#isNullable}}
+        if json_str is None:
+            return instance
+
+        {{/isNullable}}
         error_messages = []
         match = 0
 
@@ -89,6 +118,29 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         {{/discriminator}}
         {{/useOneOfDiscriminatorLookup}}
         {{#composedSchemas.oneOf}}
+        {{#isContainer}}
+        # deserialize data into {{{dataType}}}
+        try:
+            # validation
+            instance.{{vendorExtensions.x-py-name}} = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.{{vendorExtensions.x-py-name}}
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isContainer}}
+        {{^isContainer}}
+        {{#isPrimitiveType}}
+        # deserialize data into {{{dataType}}}
+        try:
+            # validation
+            instance.{{vendorExtensions.x-py-name}} = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.{{vendorExtensions.x-py-name}}
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        {{/isPrimitiveType}}
         {{^isPrimitiveType}}
         # deserialize data into {{{dataType}}}
         try:
@@ -97,6 +149,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
         except ValidationError as e:
             error_messages.append(str(e))
         {{/isPrimitiveType}}
+        {{/isContainer}}
         {{/composedSchemas.oneOf}}
 
         if match > 1:
@@ -125,7 +178,3 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
     def to_str(self) -> str:
         """Returns the string representation of the actual instance"""
         return pprint.pformat(self.dict())
-
-
-
-

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

@@ -29,11 +29,11 @@ class RESTResponse(io.IOBase):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):

modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing.yaml

@@ -2035,3 +2035,41 @@ components:
           type: string
         self_ref:
           $ref: '#/components/schemas/Self-Reference-Model'
+    RgbColor:
+      description: RGB three element array with values 0-255.
+      type: array
+      items:
+        type: integer
+        minimum: 0
+        maximum: 255
+      minItems: 3
+      maxItems: 3
+    RgbaColor:
+      description: RGBA four element array with values 0-255.
+      type: array
+      items:
+        type: integer
+        minimum: 0
+        maximum: 255
+      minItems: 4
+      maxItems: 4
+    HexColor:
+      description: 'Hex color string, such as #00FF00.'
+      type: string
+      pattern: ^#(?:[0-9a-fA-F]{3}){1,2}$
+      minLength: 7
+      maxLength: 7
+    Color:
+      nullable: true
+      description: RGB array, RGBA array, or hex string.
+      oneOf:
+      - $ref: '#/components/schemas/RgbColor'
+      - $ref: '#/components/schemas/RgbaColor'
+      - $ref: '#/components/schemas/HexColor'
+      #- type: "null"
+    AnyOfColor:
+      description: Any of RGB array, RGBA array, or hex string.
+      anyOf:
+      - $ref: '#/components/schemas/RgbColor'
+      - $ref: '#/components/schemas/RgbaColor'
+      - $ref: '#/components/schemas/HexColor'

samples/client/echo_api/python-nextgen/openapi_client/rest.py

@@ -38,11 +38,11 @@ class RESTResponse(io.IOBase):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):

samples/openapi3/client/petstore/python-nextgen-aiohttp/.openapi-generator/FILES

@@ -7,6 +7,7 @@ docs/AdditionalPropertiesClass.md
 docs/AllOfWithSingleRef.md
 docs/Animal.md
 docs/AnotherFakeApi.md
+docs/AnyOfColor.md
 docs/AnyOfPig.md
 docs/ApiResponse.md
 docs/ArrayOfArrayOfNumberOnly.md
@@ -19,6 +20,7 @@ docs/CatAllOf.md
 docs/Category.md
 docs/ClassModel.md
 docs/Client.md
+docs/Color.md
 docs/DanishPig.md
 docs/DefaultApi.md
 docs/DeprecatedObject.md
@@ -83,6 +85,7 @@ petstore_api/models/__init__.py
 petstore_api/models/additional_properties_class.py
 petstore_api/models/all_of_with_single_ref.py
 petstore_api/models/animal.py
+petstore_api/models/any_of_color.py
 petstore_api/models/any_of_pig.py
 petstore_api/models/api_response.py
 petstore_api/models/array_of_array_of_number_only.py
@@ -95,6 +98,7 @@ petstore_api/models/cat_all_of.py
 petstore_api/models/category.py
 petstore_api/models/class_model.py
 petstore_api/models/client.py
+petstore_api/models/color.py
 petstore_api/models/danish_pig.py
 petstore_api/models/deprecated_object.py
 petstore_api/models/dog.py

samples/openapi3/client/petstore/python-nextgen-aiohttp/README.md

@@ -130,6 +130,7 @@ Class | Method | HTTP request | Description
  - [AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [AllOfWithSingleRef](docs/AllOfWithSingleRef.md)
  - [Animal](docs/Animal.md)
+ - [AnyOfColor](docs/AnyOfColor.md)
  - [AnyOfPig](docs/AnyOfPig.md)
  - [ApiResponse](docs/ApiResponse.md)
  - [ArrayOfArrayOfNumberOnly](docs/ArrayOfArrayOfNumberOnly.md)
@@ -142,6 +143,7 @@ Class | Method | HTTP request | Description
  - [Category](docs/Category.md)
  - [ClassModel](docs/ClassModel.md)
  - [Client](docs/Client.md)
+ - [Color](docs/Color.md)
  - [DanishPig](docs/DanishPig.md)
  - [DeprecatedObject](docs/DeprecatedObject.md)
  - [Dog](docs/Dog.md)

samples/openapi3/client/petstore/python-nextgen-aiohttp/docs/AnyOfColor.md

@@ -0,0 +1,28 @@
+# AnyOfColor
+
+Any of RGB array, RGBA array, or hex string.
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+## Example
+
+```python
+from petstore_api.models.any_of_color import AnyOfColor
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of AnyOfColor from a JSON string
+any_of_color_instance = AnyOfColor.from_json(json)
+# print the JSON string representation of the object
+print AnyOfColor.to_json()
+
+# convert the object into a dict
+any_of_color_dict = any_of_color_instance.to_dict()
+# create an instance of AnyOfColor from a dict
+any_of_color_form_dict = any_of_color.from_dict(any_of_color_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/openapi3/client/petstore/python-nextgen-aiohttp/docs/Color.md

@@ -0,0 +1,28 @@
+# Color
+
+RGB array, RGBA array, or hex string.
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+## Example
+
+```python
+from petstore_api.models.color import Color
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Color from a JSON string
+color_instance = Color.from_json(json)
+# print the JSON string representation of the object
+print Color.to_json()
+
+# convert the object into a dict
+color_dict = color_instance.to_dict()
+# create an instance of Color from a dict
+color_form_dict = color.from_dict(color_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/__init__.py

@@ -38,6 +38,7 @@ from petstore_api.exceptions import ApiException
 from petstore_api.models.additional_properties_class import AdditionalPropertiesClass
 from petstore_api.models.all_of_with_single_ref import AllOfWithSingleRef
 from petstore_api.models.animal import Animal
+from petstore_api.models.any_of_color import AnyOfColor
 from petstore_api.models.any_of_pig import AnyOfPig
 from petstore_api.models.api_response import ApiResponse
 from petstore_api.models.array_of_array_of_number_only import ArrayOfArrayOfNumberOnly
@@ -50,6 +51,7 @@ from petstore_api.models.cat_all_of import CatAllOf
 from petstore_api.models.category import Category
 from petstore_api.models.class_model import ClassModel
 from petstore_api.models.client import Client
+from petstore_api.models.color import Color
 from petstore_api.models.danish_pig import DanishPig
 from petstore_api.models.deprecated_object import DeprecatedObject
 from petstore_api.models.dog import Dog

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/__init__.py

@@ -17,6 +17,7 @@ from __future__ import absolute_import
 from petstore_api.models.additional_properties_class import AdditionalPropertiesClass
 from petstore_api.models.all_of_with_single_ref import AllOfWithSingleRef
 from petstore_api.models.animal import Animal
+from petstore_api.models.any_of_color import AnyOfColor
 from petstore_api.models.any_of_pig import AnyOfPig
 from petstore_api.models.api_response import ApiResponse
 from petstore_api.models.array_of_array_of_number_only import ArrayOfArrayOfNumberOnly
@@ -29,6 +30,7 @@ from petstore_api.models.cat_all_of import CatAllOf
 from petstore_api.models.category import Category
 from petstore_api.models.class_model import ClassModel
 from petstore_api.models.client import Client
+from petstore_api.models.color import Color
 from petstore_api.models.danish_pig import DanishPig
 from petstore_api.models.deprecated_object import DeprecatedObject
 from petstore_api.models.dog import Dog

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/any_of_color.py

@@ -0,0 +1,128 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import annotations
+from inspect import getfullargspec
+import json
+import pprint
+import re  # noqa: F401
+
+from typing import Optional
+from pydantic import BaseModel, Field, StrictStr, ValidationError, conint, conlist, constr, validator
+from typing import Any, List
+from pydantic import StrictStr, Field
+
+ANYOFCOLOR_ANY_OF_SCHEMAS = ["List[int]", "str"]
+
+class AnyOfColor(BaseModel):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+    # data type: List[int]
+    anyof_schema_1_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=3, min_items=3)] = Field(None, description="RGB three element array with values 0-255.")
+    # data type: List[int]
+    anyof_schema_2_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=4, min_items=4)] = Field(None, description="RGBA four element array with values 0-255.")
+    # data type: str
+    anyof_schema_3_validator: Optional[constr(strict=True, max_length=7, min_length=7)] = Field(None, description="Hex color string, such as #00FF00.")
+    actual_instance: Any
+    any_of_schemas: List[str] = Field(ANYOFCOLOR_ANY_OF_SCHEMAS, const=True)
+
+    class Config:
+        validate_assignment = True
+
+    @validator('actual_instance')
+    def actual_instance_must_validate_anyof(cls, v):
+        instance = cls()
+        error_messages = []
+        # validate data type: List[int]
+        try:
+            instance.anyof_schema_1_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: List[int]
+        try:
+            instance.anyof_schema_2_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: str
+        try:
+            instance.anyof_schema_3_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        if error_messages:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into AnyOfColor with anyOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return v
+
+    @classmethod
+    def from_json(cls, json_str: str) -> AnyOfColor:
+        """Returns the object represented by the json string"""
+        instance = cls()
+        error_messages = []
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.anyof_schema_1_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_1_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.anyof_schema_2_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_2_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into str
+        try:
+            # validation
+            instance.anyof_schema_3_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_3_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+
+        if error_messages:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into AnyOfColor with anyOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return instance
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_json()
+        else:
+            return "null"
+
+    def to_dict(self) -> dict:
+        """Returns the dict representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_dict()
+        else:
+            return dict()
+
+    def to_str(self) -> str:
+        """Returns the string representation of the actual instance"""
+        return pprint.pformat(self.dict())
+

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/any_of_pig.py

@@ -12,6 +12,7 @@
 
 from __future__ import annotations
 from inspect import getfullargspec
+import json
 import pprint
 import re  # noqa: F401
 
@@ -31,9 +32,9 @@ class AnyOfPig(BaseModel):
     Do not edit the class manually.
     """
     # data type: BasquePig
-    __anyof_schema_1: Optional[BasquePig] = None
+    anyof_schema_1_validator: Optional[BasquePig] = None
     # data type: DanishPig
-    __anyof_schema_2: Optional[DanishPig] = None
+    anyof_schema_2_validator: Optional[DanishPig] = None
     actual_instance: Any
     any_of_schemas: List[str] = Field(ANYOFPIG_ANY_OF_SCHEMAS, const=True)
 
@@ -42,6 +43,7 @@ class AnyOfPig(BaseModel):
 
     @validator('actual_instance')
     def actual_instance_must_validate_anyof(cls, v):
+        instance = cls()
         error_messages = []
         # validate data type: BasquePig
         if type(v) is not BasquePig:
@@ -66,13 +68,13 @@ class AnyOfPig(BaseModel):
         """Returns the object represented by the json string"""
         instance = cls()
         error_messages = []
-        # __anyof_schema_1: Optional[BasquePig] = None
+        # anyof_schema_1_validator: Optional[BasquePig] = None
         try:
             instance.actual_instance = BasquePig.from_json(json_str)
             return instance
         except ValidationError as e:
              error_messages.append(str(e))
-        # __anyof_schema_2: Optional[DanishPig] = None
+        # anyof_schema_2_validator: Optional[DanishPig] = None
         try:
             instance.actual_instance = DanishPig.from_json(json_str)
             return instance

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/array_test.py

@@ -18,7 +18,7 @@ import json
 
 
 from typing import List, Optional
-from pydantic import BaseModel, StrictInt, StrictStr
+from pydantic import BaseModel, StrictInt, StrictStr, conlist
 from petstore_api.models.read_only_first import ReadOnlyFirst
 
 class ArrayTest(BaseModel):
@@ -27,7 +27,7 @@ class ArrayTest(BaseModel):
 
     Do not edit the class manually.
     """
-    array_of_string: Optional[List[StrictStr]] = None
+    array_of_string: Optional[conlist(StrictStr, max_items=3, min_items=0)] = None
     array_array_of_integer: Optional[List[List[StrictInt]]] = None
     array_array_of_model: Optional[List[List[ReadOnlyFirst]]] = None
     __properties = ["array_of_string", "array_array_of_integer", "array_array_of_model"]

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/color.py

@@ -0,0 +1,147 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import annotations
+from inspect import getfullargspec
+import json
+import pprint
+import re  # noqa: F401
+
+from typing import Any, List, Optional
+from pydantic import BaseModel, Field, StrictStr, ValidationError, conint, conlist, constr, validator
+from typing import Any, List
+from pydantic import StrictStr, Field
+
+COLOR_ONE_OF_SCHEMAS = ["List[int]", "str"]
+
+class Color(BaseModel):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+    # data type: List[int]
+    oneof_schema_1_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=3, min_items=3)] = Field(None, description="RGB three element array with values 0-255.")
+    # data type: List[int]
+    oneof_schema_2_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=4, min_items=4)] = Field(None, description="RGBA four element array with values 0-255.")
+    # data type: str
+    oneof_schema_3_validator: Optional[constr(strict=True, max_length=7, min_length=7)] = Field(None, description="Hex color string, such as #00FF00.")
+    actual_instance: Any
+    one_of_schemas: List[str] = Field(COLOR_ONE_OF_SCHEMAS, const=True)
+
+    class Config:
+        validate_assignment = True
+
+    @validator('actual_instance')
+    def actual_instance_must_validate_oneof(cls, v):
+        if v is None:
+            return v
+
+        instance = cls()
+        error_messages = []
+        match = 0
+        # validate data type: List[int]
+        try:
+            instance.oneof_schema_1_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: List[int]
+        try:
+            instance.oneof_schema_2_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: str
+        try:
+            instance.oneof_schema_3_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        if match > 1:
+            # more than 1 match
+            raise ValueError("Multiple matches found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        elif match == 0:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return v
+
+    @classmethod
+    def from_dict(cls, obj: dict) -> Color:
+        return cls.from_json(json.dumps(obj))
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Color:
+        """Returns the object represented by the json string"""
+        instance = cls()
+        if json_str is None:
+            return instance
+
+        error_messages = []
+        match = 0
+
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.oneof_schema_1_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_1_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.oneof_schema_2_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_2_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into str
+        try:
+            # validation
+            instance.oneof_schema_3_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_3_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+
+        if match > 1:
+            # more than 1 match
+            raise ValueError("Multiple matches found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        elif match == 0:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return instance
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_json()
+        else:
+            return "null"
+
+    def to_dict(self) -> dict:
+        """Returns the dict representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_dict()
+        else:
+            return dict()
+
+    def to_str(self) -> str:
+        """Returns the string representation of the actual instance"""
+        return pprint.pformat(self.dict())
+

samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/models/pig.py

@@ -12,8 +12,8 @@
 
 from __future__ import annotations
 from inspect import getfullargspec
-import pprint
 import json
+import pprint
 import re  # noqa: F401
 
 from typing import Any, List, Optional
@@ -32,9 +32,9 @@ class Pig(BaseModel):
     Do not edit the class manually.
     """
     # data type: BasquePig
-    __oneof_schema_1: Optional[BasquePig] = None
+    oneof_schema_1_validator: Optional[BasquePig] = None
     # data type: DanishPig
-    __oneof_schema_2: Optional[DanishPig] = None
+    oneof_schema_2_validator: Optional[DanishPig] = None
     actual_instance: Any
     one_of_schemas: List[str] = Field(PIG_ONE_OF_SCHEMAS, const=True)
 
@@ -46,6 +46,7 @@ class Pig(BaseModel):
 
     @validator('actual_instance')
     def actual_instance_must_validate_oneof(cls, v):
+        instance = cls()
         error_messages = []
         match = 0
         # validate data type: BasquePig
@@ -120,7 +121,3 @@ class Pig(BaseModel):
         """Returns the string representation of the actual instance"""
         return pprint.pformat(self.dict())
 
-
-
-
-

samples/openapi3/client/petstore/python-nextgen-aiohttp/test/test_any_of_color.py

@@ -0,0 +1,53 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import unittest
+import datetime
+
+import petstore_api
+from petstore_api.models.any_of_color import AnyOfColor  # noqa: E501
+from petstore_api.rest import ApiException
+
+class TestAnyOfColor(unittest.TestCase):
+    """AnyOfColor unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def make_instance(self, include_optional):
+        """Test AnyOfColor
+            include_option is a boolean, when False only required
+            params are included, when True both required and
+            optional params are included """
+        # uncomment below to create an instance of `AnyOfColor`
+        """
+        model = petstore_api.models.any_of_color.AnyOfColor()  # noqa: E501
+        if include_optional :
+            return AnyOfColor(
+            )
+        else :
+            return AnyOfColor(
+        )
+        """
+
+    def testAnyOfColor(self):
+        """Test AnyOfColor"""
+        # inst_req_only = self.make_instance(include_optional=False)
+        # inst_req_and_optional = self.make_instance(include_optional=True)
+
+if __name__ == '__main__':
+    unittest.main()

samples/openapi3/client/petstore/python-nextgen-aiohttp/test/test_color.py

@@ -0,0 +1,53 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import unittest
+import datetime
+
+import petstore_api
+from petstore_api.models.color import Color  # noqa: E501
+from petstore_api.rest import ApiException
+
+class TestColor(unittest.TestCase):
+    """Color unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def make_instance(self, include_optional):
+        """Test Color
+            include_option is a boolean, when False only required
+            params are included, when True both required and
+            optional params are included """
+        # uncomment below to create an instance of `Color`
+        """
+        model = petstore_api.models.color.Color()  # noqa: E501
+        if include_optional :
+            return Color(
+            )
+        else :
+            return Color(
+        )
+        """
+
+    def testColor(self):
+        """Test Color"""
+        # inst_req_only = self.make_instance(include_optional=False)
+        # inst_req_and_optional = self.make_instance(include_optional=True)
+
+if __name__ == '__main__':
+    unittest.main()

samples/openapi3/client/petstore/python-nextgen/.openapi-generator/FILES

@@ -7,6 +7,7 @@ docs/AdditionalPropertiesClass.md
 docs/AllOfWithSingleRef.md
 docs/Animal.md
 docs/AnotherFakeApi.md
+docs/AnyOfColor.md
 docs/AnyOfPig.md
 docs/ApiResponse.md
 docs/ArrayOfArrayOfNumberOnly.md
@@ -19,6 +20,7 @@ docs/CatAllOf.md
 docs/Category.md
 docs/ClassModel.md
 docs/Client.md
+docs/Color.md
 docs/DanishPig.md
 docs/DefaultApi.md
 docs/DeprecatedObject.md
@@ -83,6 +85,7 @@ petstore_api/models/__init__.py
 petstore_api/models/additional_properties_class.py
 petstore_api/models/all_of_with_single_ref.py
 petstore_api/models/animal.py
+petstore_api/models/any_of_color.py
 petstore_api/models/any_of_pig.py
 petstore_api/models/api_response.py
 petstore_api/models/array_of_array_of_number_only.py
@@ -95,6 +98,7 @@ petstore_api/models/cat_all_of.py
 petstore_api/models/category.py
 petstore_api/models/class_model.py
 petstore_api/models/client.py
+petstore_api/models/color.py
 petstore_api/models/danish_pig.py
 petstore_api/models/deprecated_object.py
 petstore_api/models/dog.py

samples/openapi3/client/petstore/python-nextgen/README.md

@@ -130,6 +130,7 @@ Class | Method | HTTP request | Description
  - [AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [AllOfWithSingleRef](docs/AllOfWithSingleRef.md)
  - [Animal](docs/Animal.md)
+ - [AnyOfColor](docs/AnyOfColor.md)
  - [AnyOfPig](docs/AnyOfPig.md)
  - [ApiResponse](docs/ApiResponse.md)
  - [ArrayOfArrayOfNumberOnly](docs/ArrayOfArrayOfNumberOnly.md)
@@ -142,6 +143,7 @@ Class | Method | HTTP request | Description
  - [Category](docs/Category.md)
  - [ClassModel](docs/ClassModel.md)
  - [Client](docs/Client.md)
+ - [Color](docs/Color.md)
  - [DanishPig](docs/DanishPig.md)
  - [DeprecatedObject](docs/DeprecatedObject.md)
  - [Dog](docs/Dog.md)

samples/openapi3/client/petstore/python-nextgen/docs/AnyOfColor.md

@@ -0,0 +1,28 @@
+# AnyOfColor
+
+Any of RGB array, RGBA array, or hex string.
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+## Example
+
+```python
+from petstore_api.models.any_of_color import AnyOfColor
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of AnyOfColor from a JSON string
+any_of_color_instance = AnyOfColor.from_json(json)
+# print the JSON string representation of the object
+print AnyOfColor.to_json()
+
+# convert the object into a dict
+any_of_color_dict = any_of_color_instance.to_dict()
+# create an instance of AnyOfColor from a dict
+any_of_color_form_dict = any_of_color.from_dict(any_of_color_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/openapi3/client/petstore/python-nextgen/docs/Color.md

@@ -0,0 +1,28 @@
+# Color
+
+RGB array, RGBA array, or hex string.
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+
+## Example
+
+```python
+from petstore_api.models.color import Color
+
+# TODO update the JSON string below
+json = "{}"
+# create an instance of Color from a JSON string
+color_instance = Color.from_json(json)
+# print the JSON string representation of the object
+print Color.to_json()
+
+# convert the object into a dict
+color_dict = color_instance.to_dict()
+# create an instance of Color from a dict
+color_form_dict = color.from_dict(color_dict)
+```
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+

samples/openapi3/client/petstore/python-nextgen/petstore_api/__init__.py

@@ -38,6 +38,7 @@ from petstore_api.exceptions import ApiException
 from petstore_api.models.additional_properties_class import AdditionalPropertiesClass
 from petstore_api.models.all_of_with_single_ref import AllOfWithSingleRef
 from petstore_api.models.animal import Animal
+from petstore_api.models.any_of_color import AnyOfColor
 from petstore_api.models.any_of_pig import AnyOfPig
 from petstore_api.models.api_response import ApiResponse
 from petstore_api.models.array_of_array_of_number_only import ArrayOfArrayOfNumberOnly
@@ -50,6 +51,7 @@ from petstore_api.models.cat_all_of import CatAllOf
 from petstore_api.models.category import Category
 from petstore_api.models.class_model import ClassModel
 from petstore_api.models.client import Client
+from petstore_api.models.color import Color
 from petstore_api.models.danish_pig import DanishPig
 from petstore_api.models.deprecated_object import DeprecatedObject
 from petstore_api.models.dog import Dog

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/__init__.py

@@ -17,6 +17,7 @@ from __future__ import absolute_import
 from petstore_api.models.additional_properties_class import AdditionalPropertiesClass
 from petstore_api.models.all_of_with_single_ref import AllOfWithSingleRef
 from petstore_api.models.animal import Animal
+from petstore_api.models.any_of_color import AnyOfColor
 from petstore_api.models.any_of_pig import AnyOfPig
 from petstore_api.models.api_response import ApiResponse
 from petstore_api.models.array_of_array_of_number_only import ArrayOfArrayOfNumberOnly
@@ -29,6 +30,7 @@ from petstore_api.models.cat_all_of import CatAllOf
 from petstore_api.models.category import Category
 from petstore_api.models.class_model import ClassModel
 from petstore_api.models.client import Client
+from petstore_api.models.color import Color
 from petstore_api.models.danish_pig import DanishPig
 from petstore_api.models.deprecated_object import DeprecatedObject
 from petstore_api.models.dog import Dog

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/any_of_color.py

@@ -0,0 +1,128 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import annotations
+from inspect import getfullargspec
+import json
+import pprint
+import re  # noqa: F401
+
+from typing import Optional
+from pydantic import BaseModel, Field, StrictStr, ValidationError, conint, conlist, constr, validator
+from typing import Any, List
+from pydantic import StrictStr, Field
+
+ANYOFCOLOR_ANY_OF_SCHEMAS = ["List[int]", "str"]
+
+class AnyOfColor(BaseModel):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+    # data type: List[int]
+    anyof_schema_1_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=3, min_items=3)] = Field(None, description="RGB three element array with values 0-255.")
+    # data type: List[int]
+    anyof_schema_2_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=4, min_items=4)] = Field(None, description="RGBA four element array with values 0-255.")
+    # data type: str
+    anyof_schema_3_validator: Optional[constr(strict=True, max_length=7, min_length=7)] = Field(None, description="Hex color string, such as #00FF00.")
+    actual_instance: Any
+    any_of_schemas: List[str] = Field(ANYOFCOLOR_ANY_OF_SCHEMAS, const=True)
+
+    class Config:
+        validate_assignment = True
+
+    @validator('actual_instance')
+    def actual_instance_must_validate_anyof(cls, v):
+        instance = cls()
+        error_messages = []
+        # validate data type: List[int]
+        try:
+            instance.anyof_schema_1_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: List[int]
+        try:
+            instance.anyof_schema_2_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: str
+        try:
+            instance.anyof_schema_3_validator = v
+            return v
+        except ValidationError as e:
+            error_messages.append(str(e))
+        if error_messages:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into AnyOfColor with anyOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return v
+
+    @classmethod
+    def from_json(cls, json_str: str) -> AnyOfColor:
+        """Returns the object represented by the json string"""
+        instance = cls()
+        error_messages = []
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.anyof_schema_1_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_1_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.anyof_schema_2_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_2_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into str
+        try:
+            # validation
+            instance.anyof_schema_3_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.anyof_schema_3_validator
+            return instance
+        except ValidationError as e:
+            error_messages.append(str(e))
+
+        if error_messages:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into AnyOfColor with anyOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return instance
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_json()
+        else:
+            return "null"
+
+    def to_dict(self) -> dict:
+        """Returns the dict representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_dict()
+        else:
+            return dict()
+
+    def to_str(self) -> str:
+        """Returns the string representation of the actual instance"""
+        return pprint.pformat(self.dict())
+

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/any_of_pig.py

@@ -12,6 +12,7 @@
 
 from __future__ import annotations
 from inspect import getfullargspec
+import json
 import pprint
 import re  # noqa: F401
 
@@ -31,9 +32,9 @@ class AnyOfPig(BaseModel):
     Do not edit the class manually.
     """
     # data type: BasquePig
-    __anyof_schema_1: Optional[BasquePig] = None
+    anyof_schema_1_validator: Optional[BasquePig] = None
     # data type: DanishPig
-    __anyof_schema_2: Optional[DanishPig] = None
+    anyof_schema_2_validator: Optional[DanishPig] = None
     actual_instance: Any
     any_of_schemas: List[str] = Field(ANYOFPIG_ANY_OF_SCHEMAS, const=True)
 
@@ -42,6 +43,7 @@ class AnyOfPig(BaseModel):
 
     @validator('actual_instance')
     def actual_instance_must_validate_anyof(cls, v):
+        instance = cls()
         error_messages = []
         # validate data type: BasquePig
         if type(v) is not BasquePig:
@@ -66,13 +68,13 @@ class AnyOfPig(BaseModel):
         """Returns the object represented by the json string"""
         instance = cls()
         error_messages = []
-        # __anyof_schema_1: Optional[BasquePig] = None
+        # anyof_schema_1_validator: Optional[BasquePig] = None
         try:
             instance.actual_instance = BasquePig.from_json(json_str)
             return instance
         except ValidationError as e:
              error_messages.append(str(e))
-        # __anyof_schema_2: Optional[DanishPig] = None
+        # anyof_schema_2_validator: Optional[DanishPig] = None
         try:
             instance.actual_instance = DanishPig.from_json(json_str)
             return instance

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/array_test.py

@@ -18,7 +18,7 @@ import json
 
 
 from typing import List, Optional
-from pydantic import BaseModel, StrictInt, StrictStr
+from pydantic import BaseModel, StrictInt, StrictStr, conlist
 from petstore_api.models.read_only_first import ReadOnlyFirst
 
 class ArrayTest(BaseModel):
@@ -27,7 +27,7 @@ class ArrayTest(BaseModel):
 
     Do not edit the class manually.
     """
-    array_of_string: Optional[List[StrictStr]] = None
+    array_of_string: Optional[conlist(StrictStr, max_items=3, min_items=0)] = None
     array_array_of_integer: Optional[List[List[StrictInt]]] = None
     array_array_of_model: Optional[List[List[ReadOnlyFirst]]] = None
     additional_properties: Dict[str, Any] = {}

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/color.py

@@ -0,0 +1,147 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import annotations
+from inspect import getfullargspec
+import json
+import pprint
+import re  # noqa: F401
+
+from typing import Any, List, Optional
+from pydantic import BaseModel, Field, StrictStr, ValidationError, conint, conlist, constr, validator
+from typing import Any, List
+from pydantic import StrictStr, Field
+
+COLOR_ONE_OF_SCHEMAS = ["List[int]", "str"]
+
+class Color(BaseModel):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+    # data type: List[int]
+    oneof_schema_1_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=3, min_items=3)] = Field(None, description="RGB three element array with values 0-255.")
+    # data type: List[int]
+    oneof_schema_2_validator: Optional[conlist(conint(strict=True, le=255, ge=0), max_items=4, min_items=4)] = Field(None, description="RGBA four element array with values 0-255.")
+    # data type: str
+    oneof_schema_3_validator: Optional[constr(strict=True, max_length=7, min_length=7)] = Field(None, description="Hex color string, such as #00FF00.")
+    actual_instance: Any
+    one_of_schemas: List[str] = Field(COLOR_ONE_OF_SCHEMAS, const=True)
+
+    class Config:
+        validate_assignment = True
+
+    @validator('actual_instance')
+    def actual_instance_must_validate_oneof(cls, v):
+        if v is None:
+            return v
+
+        instance = cls()
+        error_messages = []
+        match = 0
+        # validate data type: List[int]
+        try:
+            instance.oneof_schema_1_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: List[int]
+        try:
+            instance.oneof_schema_2_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # validate data type: str
+        try:
+            instance.oneof_schema_3_validator = v
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        if match > 1:
+            # more than 1 match
+            raise ValueError("Multiple matches found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        elif match == 0:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return v
+
+    @classmethod
+    def from_dict(cls, obj: dict) -> Color:
+        return cls.from_json(json.dumps(obj))
+
+    @classmethod
+    def from_json(cls, json_str: str) -> Color:
+        """Returns the object represented by the json string"""
+        instance = cls()
+        if json_str is None:
+            return instance
+
+        error_messages = []
+        match = 0
+
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.oneof_schema_1_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_1_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into List[int]
+        try:
+            # validation
+            instance.oneof_schema_2_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_2_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+        # deserialize data into str
+        try:
+            # validation
+            instance.oneof_schema_3_validator = json.loads(json_str)
+            # assign value to actual_instance
+            instance.actual_instance = instance.oneof_schema_3_validator
+            match += 1
+        except ValidationError as e:
+            error_messages.append(str(e))
+
+        if match > 1:
+            # more than 1 match
+            raise ValueError("Multiple matches found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        elif match == 0:
+            # no match
+            raise ValueError("No match found when deserializing the JSON string into Color with oneOf schemas: List[int], str. Details: " + ", ".join(error_messages))
+        else:
+            return instance
+
+    def to_json(self) -> str:
+        """Returns the JSON representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_json()
+        else:
+            return "null"
+
+    def to_dict(self) -> dict:
+        """Returns the dict representation of the actual instance"""
+        if self.actual_instance is not None:
+            return self.actual_instance.to_dict()
+        else:
+            return dict()
+
+    def to_str(self) -> str:
+        """Returns the string representation of the actual instance"""
+        return pprint.pformat(self.dict())
+

samples/openapi3/client/petstore/python-nextgen/petstore_api/models/pig.py

@@ -12,8 +12,8 @@
 
 from __future__ import annotations
 from inspect import getfullargspec
-import pprint
 import json
+import pprint
 import re  # noqa: F401
 
 from typing import Any, List, Optional
@@ -32,9 +32,9 @@ class Pig(BaseModel):
     Do not edit the class manually.
     """
     # data type: BasquePig
-    __oneof_schema_1: Optional[BasquePig] = None
+    oneof_schema_1_validator: Optional[BasquePig] = None
     # data type: DanishPig
-    __oneof_schema_2: Optional[DanishPig] = None
+    oneof_schema_2_validator: Optional[DanishPig] = None
     actual_instance: Any
     one_of_schemas: List[str] = Field(PIG_ONE_OF_SCHEMAS, const=True)
 
@@ -46,6 +46,7 @@ class Pig(BaseModel):
 
     @validator('actual_instance')
     def actual_instance_must_validate_oneof(cls, v):
+        instance = cls()
         error_messages = []
         match = 0
         # validate data type: BasquePig
@@ -135,7 +136,3 @@ class Pig(BaseModel):
         """Returns the string representation of the actual instance"""
         return pprint.pformat(self.dict())
 
-
-
-
-

samples/openapi3/client/petstore/python-nextgen/petstore_api/rest.py

@@ -37,11 +37,11 @@ class RESTResponse(io.IOBase):
 
     def getheaders(self):
         """Returns a dictionary of the response headers."""
-        return self.urllib3_response.getheaders()
+        return self.urllib3_response.headers
 
     def getheader(self, name, default=None):
         """Returns a given response header."""
-        return self.urllib3_response.getheader(name, default)
+        return self.urllib3_response.headers.get(name, default)
 
 
 class RESTClientObject(object):

samples/openapi3/client/petstore/python-nextgen/test/test_any_of_color.py

@@ -0,0 +1,53 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import unittest
+import datetime
+
+import petstore_api
+from petstore_api.models.any_of_color import AnyOfColor  # noqa: E501
+from petstore_api.rest import ApiException
+
+class TestAnyOfColor(unittest.TestCase):
+    """AnyOfColor unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def make_instance(self, include_optional):
+        """Test AnyOfColor
+            include_option is a boolean, when False only required
+            params are included, when True both required and
+            optional params are included """
+        # uncomment below to create an instance of `AnyOfColor`
+        """
+        model = petstore_api.models.any_of_color.AnyOfColor()  # noqa: E501
+        if include_optional :
+            return AnyOfColor(
+            )
+        else :
+            return AnyOfColor(
+        )
+        """
+
+    def testAnyOfColor(self):
+        """Test AnyOfColor"""
+        # inst_req_only = self.make_instance(include_optional=False)
+        # inst_req_and_optional = self.make_instance(include_optional=True)
+
+if __name__ == '__main__':
+    unittest.main()

samples/openapi3/client/petstore/python-nextgen/test/test_color.py

@@ -0,0 +1,53 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from __future__ import absolute_import
+
+import unittest
+import datetime
+
+import petstore_api
+from petstore_api.models.color import Color  # noqa: E501
+from petstore_api.rest import ApiException
+
+class TestColor(unittest.TestCase):
+    """Color unit test stubs"""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def make_instance(self, include_optional):
+        """Test Color
+            include_option is a boolean, when False only required
+            params are included, when True both required and
+            optional params are included """
+        # uncomment below to create an instance of `Color`
+        """
+        model = petstore_api.models.color.Color()  # noqa: E501
+        if include_optional :
+            return Color(
+            )
+        else :
+            return Color(
+        )
+        """
+
+    def testColor(self):
+        """Test Color"""
+        # inst_req_only = self.make_instance(include_optional=False)
+        # inst_req_and_optional = self.make_instance(include_optional=True)
+
+if __name__ == '__main__':
+    unittest.main()

samples/openapi3/client/petstore/python-nextgen/tests/test_model.py

@@ -2,7 +2,7 @@
 
 # flake8: noqa
 
-
+import json
 import os
 import time
 import unittest
@@ -73,6 +73,83 @@ class ModelTests(unittest.TestCase):
         self.pet1.tags = []
         self.assertFalse(self.pet1 == self.pet2)
 
+    def test_oneOf_array_of_integers(self):
+        # test new Color 
+        new_color = petstore_api.Color()
+        self.assertEqual("null", new_color.to_json())
+        self.assertEqual(None, new_color.actual_instance)
+
+        # test the oneof schema validator
+        json_str = '[12,34,56]'
+        array_of_integers = json.loads(json_str)
+        # no error should be thrown
+        new_color.oneof_schema_1_validator = array_of_integers
+        new_color.actual_instance = array_of_integers
+        new_color.actual_instance = None
+
+        # test the oneof schema validator with invalid input 
+        json_str = '[12,34,56120938]'
+        array_of_integers = json.loads(json_str)
+        try:
+            new_color.oneof_schema_1_validator = array_of_integers
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
+        try:
+            new_color.actual_instance = array_of_integers
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
+        # test from_josn
+        json_str = '[12,34,56]'
+        p = petstore_api.Color.from_json(json_str)
+        self.assertEqual(p.actual_instance, [12, 34,56])
+
+        try:
+            p = petstore_api.Color.from_json('[2342112,0,0,0]')
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
+        # test nullable
+        p = petstore_api.Color.from_json(None)
+        self.assertEqual(p.actual_instance, None)
+
+    def test_anyOf_array_of_integers(self):
+        # test new Color 
+        new_color = petstore_api.AnyOfColor()
+        self.assertEqual("null", new_color.to_json())
+        self.assertEqual(None, new_color.actual_instance)
+
+        # test the oneof schema validator
+        json_str = '[12,34,56]'
+        array_of_integers = json.loads(json_str)
+        # no error should be thrown
+        new_color.anyof_schema_1_validator = array_of_integers
+        new_color.actual_instance = array_of_integers
+
+        # test the oneof schema validator with invalid input 
+        json_str = '[12,34,56120938]'
+        array_of_integers = json.loads(json_str)
+        try:
+            new_color.anyof_schema_1_validator = array_of_integers
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
+        try:
+            new_color.actual_instance = array_of_integers
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
+        # test from_josn
+        json_str = '[12,34,56]'
+        p = petstore_api.AnyOfColor.from_json(json_str)
+        self.assertEqual(p.actual_instance, [12, 34,56])
+
+        try:
+            p = petstore_api.AnyOfColor.from_json('[2342112,0,0,0]')
+        except ValueError as e:
+            self.assertTrue("ensure this value is less than or equal to 255" in str(e))
+
     def test_oneOf(self):
         # test new Pig
         new_pig = petstore_api.Pig()