[Python] deserialize enum json response (fix #17789) (#17791)

* deserialize enum json response (python)

* adapt python samples: adding enum deserialization

* add echo test for enum json response deserialization (python)

* update samples

samples/client/echo_api/python-pydantic-v1/openapi_client/api/body_api.py

@@ -25,6 +25,7 @@ from pydantic import Field, StrictBytes, StrictStr, conlist
 from typing import Any, Dict, Optional, Union
 
 from openapi_client.models.pet import Pet
+from openapi_client.models.string_enum_ref import StringEnumRef
 from openapi_client.models.tag import Tag
 
 from openapi_client.api_client import ApiClient
@@ -1214,6 +1215,153 @@ class BodyApi:
             collection_formats=_collection_formats,
             _request_auth=_params.get('_request_auth'))
 
+    @validate_arguments
+    def test_echo_body_string_enum(self, body : Annotated[Optional[StringEnumRef], Field(description="String enum")] = None, **kwargs) -> StringEnumRef:  # noqa: E501
+        """Test string enum response body  # noqa: E501
+
+        Test string enum response body  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_string_enum(body, async_req=True)
+        >>> result = thread.get()
+
+        :param body: String enum
+        :type body: 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: StringEnumRef
+        """
+        kwargs['_return_http_data_only'] = True
+        if '_preload_content' in kwargs:
+            message = "Error! Please call the test_echo_body_string_enum_with_http_info method with `_preload_content` instead and obtain raw data from ApiResponse.raw_data"  # noqa: E501
+            raise ValueError(message)
+        return self.test_echo_body_string_enum_with_http_info(body, **kwargs)  # noqa: E501
+
+    @validate_arguments
+    def test_echo_body_string_enum_with_http_info(self, body : Annotated[Optional[StringEnumRef], Field(description="String enum")] = None, **kwargs) -> ApiResponse:  # noqa: E501
+        """Test string enum response body  # noqa: E501
+
+        Test string enum response body  # noqa: E501
+        This method makes a synchronous HTTP request by default. To make an
+        asynchronous HTTP request, please pass async_req=True
+
+        >>> thread = api.test_echo_body_string_enum_with_http_info(body, async_req=True)
+        >>> result = thread.get()
+
+        :param body: String enum
+        :type body: 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: tuple(StringEnumRef, status_code(int), headers(HTTPHeaderDict))
+        """
+
+        _params = locals()
+
+        _all_params = [
+            'body'
+        ]
+        _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 test_echo_body_string_enum" % _key
+                )
+            _params[_key] = _val
+        del _params['kwargs']
+
+        _collection_formats = {}
+
+        # process the path parameters
+        _path_params = {}
+
+        # process the query parameters
+        _query_params = []
+        # process the header parameters
+        _header_params = dict(_params.get('_headers', {}))
+        # process the form parameters
+        _form_params = []
+        _files = {}
+        # process the body parameter
+        _body_params = None
+        if _params['body'] is not None:
+            _body_params = _params['body']
+
+        # set the HTTP header `Accept`
+        _header_params['Accept'] = self.api_client.select_header_accept(
+            ['application/json'])  # noqa: E501
+
+        # set the HTTP header `Content-Type`
+        _content_types_list = _params.get('_content_type',
+            self.api_client.select_header_content_type(
+                ['application/json']))
+        if _content_types_list:
+                _header_params['Content-Type'] = _content_types_list
+
+        # authentication setting
+        _auth_settings = []  # noqa: E501
+
+        _response_types_map = {
+            '200': "StringEnumRef",
+        }
+
+        return self.api_client.call_api(
+            '/echo/body/string_enum', 'POST',
+            _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_echo_body_tag_response_string(self, tag : Annotated[Optional[Tag], Field(description="Tag object")] = None, **kwargs) -> str:  # noqa: E501
         """Test empty json (request body)  # noqa: E501