fix uuid example cast exception in python generators (#16432)

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

@@ -182,14 +182,16 @@ public abstract class AbstractPythonCodegen extends DefaultCodegen implements Co
                 return p.getDefault().toString();
             }
         } else if (ModelUtils.isStringSchema(p)) {
-            String defaultValue = (String)p.getDefault();
+            if (p.getDefault() != null) {
-            if (defaultValue != null) {
+                String defaultValue = String.valueOf(p.getDefault());
-                defaultValue = defaultValue.replace("\\", "\\\\")
+                if (defaultValue != null) {
-                    .replace("'", "\'");
+                    defaultValue = defaultValue.replace("\\", "\\\\")
-                if (Pattern.compile("\r\n|\r|\n").matcher(defaultValue).find()) {
+                            .replace("'", "\'");
-                    return "'''" + defaultValue + "'''";
+                    if (Pattern.compile("\r\n|\r|\n").matcher(defaultValue).find()) {
-                } else {
+                        return "'''" + defaultValue + "'''";
-                    return "'" + defaultValue + "'";
+                    } else {
+                        return "'" + defaultValue + "'";
+                    }
                 }
             }
         } else if (ModelUtils.isArraySchema(p)) {

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

@@ -1253,6 +1253,24 @@ paths:
       responses:
         200:
           description: OK
+  /fake/uuid_example:
+    get:
+      tags:
+        - fake
+      summary: test uuid example
+      operationId: fakeUuidExample
+      parameters:
+        - name: uuid_example
+          in: query
+          description: uuid example
+          required: true
+          schema:
+            type: string
+            format: uuid
+          example: 84529ad2-2265-4e15-b76b-c17025d848f6
+      responses:
+        "200":
+          description: Get successful
   /fake/enum_ref_query_parameter:
     get:
       tags:

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

@@ -97,6 +97,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**fake_outer_string_serialize**](docs/FakeApi.md#fake_outer_string_serialize) | **POST** /fake/outer/string | 
 *FakeApi* | [**fake_property_enum_integer_serialize**](docs/FakeApi.md#fake_property_enum_integer_serialize) | **POST** /fake/property/enum-int | 
 *FakeApi* | [**fake_return_list_of_objects**](docs/FakeApi.md#fake_return_list_of_objects) | **GET** /fake/return_list_of_object | test returning list of objects
+*FakeApi* | [**fake_uuid_example**](docs/FakeApi.md#fake_uuid_example) | **GET** /fake/uuid_example | test uuid example
 *FakeApi* | [**test_body_with_binary**](docs/FakeApi.md#test_body_with_binary) | **PUT** /fake/body-with-binary | 
 *FakeApi* | [**test_body_with_file_schema**](docs/FakeApi.md#test_body_with_file_schema) | **PUT** /fake/body-with-file-schema | 
 *FakeApi* | [**test_body_with_query_params**](docs/FakeApi.md#test_body_with_query_params) | **PUT** /fake/body-with-query-params | 

samples/openapi3/client/petstore/python-aiohttp/docs/FakeApi.md

@@ -14,6 +14,7 @@ Method | HTTP request | Description
 [**fake_outer_string_serialize**](FakeApi.md#fake_outer_string_serialize) | **POST** /fake/outer/string | 
 [**fake_property_enum_integer_serialize**](FakeApi.md#fake_property_enum_integer_serialize) | **POST** /fake/property/enum-int | 
 [**fake_return_list_of_objects**](FakeApi.md#fake_return_list_of_objects) | **GET** /fake/return_list_of_object | test returning list of objects
+[**fake_uuid_example**](FakeApi.md#fake_uuid_example) | **GET** /fake/uuid_example | test uuid example
 [**test_body_with_binary**](FakeApi.md#test_body_with_binary) | **PUT** /fake/body-with-binary | 
 [**test_body_with_file_schema**](FakeApi.md#test_body_with_file_schema) | **PUT** /fake/body-with-file-schema | 
 [**test_body_with_query_params**](FakeApi.md#test_body_with_query_params) | **PUT** /fake/body-with-query-params | 
@@ -734,6 +735,68 @@ No authorization required
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **fake_uuid_example**
+> fake_uuid_example(uuid_example)
+
+test uuid example
+
+### Example
+
+```python
+import time
+import os
+import petstore_api
+from petstore_api.rest import ApiException
+from pprint import pprint
+
+# Defining the host is optional and defaults to http://petstore.swagger.io:80/v2
+# See configuration.py for a list of all supported configuration parameters.
+configuration = petstore_api.Configuration(
+    host = "http://petstore.swagger.io:80/v2"
+)
+
+
+# Enter a context with an instance of the API client
+async with petstore_api.ApiClient(configuration) as api_client:
+    # Create an instance of the API class
+    api_instance = petstore_api.FakeApi(api_client)
+    uuid_example = '84529ad2-2265-4e15-b76b-c17025d848f6' # str | uuid example
+
+    try:
+        # test uuid example
+        await api_instance.fake_uuid_example(uuid_example)
+    except Exception as e:
+        print("Exception when calling FakeApi->fake_uuid_example: %s\n" % e)
+```
+
+
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **uuid_example** | **str**| uuid example | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | Get successful |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **test_body_with_binary**
 > test_body_with_binary(body)
 

samples/openapi3/client/petstore/python-aiohttp/petstore_api/api/fake_api.py

@@ -1567,6 +1567,147 @@ class FakeApi(object):
             collection_formats=_collection_formats,
             _request_auth=_params.get('_request_auth'))
 
+    @overload
+    async def fake_uuid_example(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], **kwargs) -> None:  # noqa: E501
+        ...
+
+    @overload
+    def fake_uuid_example(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], async_req: Optional[bool]=True, **kwargs) -> None:  # noqa: E501
+        ...
+
+    @validate_arguments
+    def fake_uuid_example(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], async_req: Optional[bool]=None, **kwargs) -> Union[None, Awaitable[None]]:  # noqa: E501
+        """test uuid example  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.fake_uuid_example(uuid_example, async_req=True)
+        >>> result = thread.get()
+
+        :param uuid_example: uuid example (required)
+        :type uuid_example: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: 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: None
+        """
+        kwargs['_return_http_data_only'] = True
+        if '_preload_content' in kwargs:
+            raise ValueError("Error! Please call the fake_uuid_example_with_http_info method with `_preload_content` instead and obtain raw data from ApiResponse.raw_data")
+        if async_req is not None:
+            kwargs['async_req'] = async_req
+        return self.fake_uuid_example_with_http_info(uuid_example, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def fake_uuid_example_with_http_info(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], **kwargs) -> ApiResponse:  # noqa: E501
+        """test uuid example  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.fake_uuid_example_with_http_info(uuid_example, async_req=True)
+        >>> result = thread.get()
+
+        :param uuid_example: uuid example (required)
+        :type uuid_example: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the ApiResponse.data will
+                                 be set to none and raw_data will store the 
+                                 HTTP response body without reading/decoding.
+                                 Default is True.
+        :type _preload_content: bool, optional
+        :param _return_http_data_only: response data instead of ApiResponse
+                                       object with status code, headers, etc
+        :type _return_http_data_only: 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
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: None
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'uuid_example'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method fake_uuid_example" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+        if _params.get('uuid_example') is not None:  # noqa: E501
+            _query_params.append(('uuid_example', _params['uuid_example']))
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+        # process the form parameters
+        _form_params = []
+        _files = {}
+        # process the body parameter
+        _body_params = None
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {}
+
+        return self.api_client.call_api(
+            '/fake/uuid_example', 'GET',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))
+
     @overload
     async def test_body_with_binary(self, body : Annotated[Optional[Union[StrictBytes, StrictStr]], Field(..., description="image to upload")], **kwargs) -> None:  # noqa: E501
         ...

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

@@ -97,6 +97,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**fake_outer_string_serialize**](docs/FakeApi.md#fake_outer_string_serialize) | **POST** /fake/outer/string | 
 *FakeApi* | [**fake_property_enum_integer_serialize**](docs/FakeApi.md#fake_property_enum_integer_serialize) | **POST** /fake/property/enum-int | 
 *FakeApi* | [**fake_return_list_of_objects**](docs/FakeApi.md#fake_return_list_of_objects) | **GET** /fake/return_list_of_object | test returning list of objects
+*FakeApi* | [**fake_uuid_example**](docs/FakeApi.md#fake_uuid_example) | **GET** /fake/uuid_example | test uuid example
 *FakeApi* | [**test_body_with_binary**](docs/FakeApi.md#test_body_with_binary) | **PUT** /fake/body-with-binary | 
 *FakeApi* | [**test_body_with_file_schema**](docs/FakeApi.md#test_body_with_file_schema) | **PUT** /fake/body-with-file-schema | 
 *FakeApi* | [**test_body_with_query_params**](docs/FakeApi.md#test_body_with_query_params) | **PUT** /fake/body-with-query-params | 

samples/openapi3/client/petstore/python/docs/FakeApi.md

@@ -14,6 +14,7 @@ Method | HTTP request | Description
 [**fake_outer_string_serialize**](FakeApi.md#fake_outer_string_serialize) | **POST** /fake/outer/string | 
 [**fake_property_enum_integer_serialize**](FakeApi.md#fake_property_enum_integer_serialize) | **POST** /fake/property/enum-int | 
 [**fake_return_list_of_objects**](FakeApi.md#fake_return_list_of_objects) | **GET** /fake/return_list_of_object | test returning list of objects
+[**fake_uuid_example**](FakeApi.md#fake_uuid_example) | **GET** /fake/uuid_example | test uuid example
 [**test_body_with_binary**](FakeApi.md#test_body_with_binary) | **PUT** /fake/body-with-binary | 
 [**test_body_with_file_schema**](FakeApi.md#test_body_with_file_schema) | **PUT** /fake/body-with-file-schema | 
 [**test_body_with_query_params**](FakeApi.md#test_body_with_query_params) | **PUT** /fake/body-with-query-params | 
@@ -734,6 +735,68 @@ No authorization required
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **fake_uuid_example**
+> fake_uuid_example(uuid_example)
+
+test uuid example
+
+### Example
+
+```python
+import time
+import os
+import petstore_api
+from petstore_api.rest import ApiException
+from pprint import pprint
+
+# Defining the host is optional and defaults to http://petstore.swagger.io:80/v2
+# See configuration.py for a list of all supported configuration parameters.
+configuration = petstore_api.Configuration(
+    host = "http://petstore.swagger.io:80/v2"
+)
+
+
+# Enter a context with an instance of the API client
+with petstore_api.ApiClient(configuration) as api_client:
+    # Create an instance of the API class
+    api_instance = petstore_api.FakeApi(api_client)
+    uuid_example = '84529ad2-2265-4e15-b76b-c17025d848f6' # str | uuid example
+
+    try:
+        # test uuid example
+        api_instance.fake_uuid_example(uuid_example)
+    except Exception as e:
+        print("Exception when calling FakeApi->fake_uuid_example: %s\n" % e)
+```
+
+
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **uuid_example** | **str**| uuid example | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | Get successful |  -  |
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **test_body_with_binary**
 > test_body_with_binary(body)
 

samples/openapi3/client/petstore/python/petstore_api/api/fake_api.py

@@ -1466,6 +1466,137 @@ class FakeApi(object):
             collection_formats=_collection_formats,
             _request_auth=_params.get('_request_auth'))
 
+    @validate_arguments
+    def fake_uuid_example(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], **kwargs) -> None:  # noqa: E501
+        """test uuid example  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.fake_uuid_example(uuid_example, async_req=True)
+        >>> result = thread.get()
+
+        :param uuid_example: uuid example (required)
+        :type uuid_example: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: 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: None
+        """
+        kwargs['_return_http_data_only'] = True
+        if '_preload_content' in kwargs:
+            raise ValueError("Error! Please call the fake_uuid_example_with_http_info method with `_preload_content` instead and obtain raw data from ApiResponse.raw_data")
+        return self.fake_uuid_example_with_http_info(uuid_example, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def fake_uuid_example_with_http_info(self, uuid_example : Annotated[StrictStr, Field(..., description="uuid example")], **kwargs) -> ApiResponse:  # noqa: E501
+        """test uuid example  # noqa: E501
+
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.fake_uuid_example_with_http_info(uuid_example, async_req=True)
+        >>> result = thread.get()
+
+        :param uuid_example: uuid example (required)
+        :type uuid_example: str
+        :param async_req: Whether to execute the request asynchronously.
+        :type async_req: bool, optional
+        :param _preload_content: if False, the ApiResponse.data will
+                                 be set to none and raw_data will store the 
+                                 HTTP response body without reading/decoding.
+                                 Default is True.
+        :type _preload_content: bool, optional
+        :param _return_http_data_only: response data instead of ApiResponse
+                                       object with status code, headers, etc
+        :type _return_http_data_only: 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
+        :type _content_type: string, optional: force content-type for the request
+        :return: Returns the result object.
+                 If the method is called asynchronously,
+                 returns the request thread.
+        :rtype: None
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'uuid_example'
+        ]
+        _all_params.extend(
+            [
+                'async_req',
+                '_return_http_data_only',
+                '_preload_content',
+                '_request_timeout',
+                '_request_auth',
+                '_content_type',
+                '_headers'
+            ]
+        )
+
+        # validate the arguments
+        for _key, _val in _params['kwargs'].items():
+            if _key not in _all_params:
+                raise ApiTypeError(
+                    "Got an unexpected keyword argument '%s'"
+                    " to method fake_uuid_example" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+        if _params.get('uuid_example') is not None:  # noqa: E501
+            _query_params.append(('uuid_example', _params['uuid_example']))
+
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+        # process the form parameters
+        _form_params = []
+        _files = {}
+        # process the body parameter
+        _body_params = None
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {}
+
+        return self.api_client.call_api(
+            '/fake/uuid_example', 'GET',
+            _path_params,
+            _query_params,
+            _header_params,
+            body=_body_params,
+            post_params=_form_params,
+            files=_files,
+            response_types_map=_response_types_map,
+            auth_settings=_auth_settings,
+            async_req=_params.get('async_req'),
+            _return_http_data_only=_params.get('_return_http_data_only'),  # noqa: E501
+            _preload_content=_params.get('_preload_content', True),
+            _request_timeout=_params.get('_request_timeout'),
+            collection_formats=_collection_formats,
+            _request_auth=_params.get('_request_auth'))
+
     @validate_arguments
     def test_body_with_binary(self, body : Annotated[Optional[Union[StrictBytes, StrictStr]], Field(..., description="image to upload")], **kwargs) -> None:  # noqa: E501
         """test_body_with_binary  # noqa: E501