[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/go/api_body.go

@@ -908,6 +908,114 @@ func (a *BodyAPIService) TestEchoBodyPetResponseStringExecute(r ApiTestEchoBodyP
 	return localVarReturnValue, localVarHTTPResponse, nil
 }
 
+type ApiTestEchoBodyStringEnumRequest struct {
+	ctx context.Context
+	ApiService *BodyAPIService
+	body *string
+}
+
+// String enum
+func (r ApiTestEchoBodyStringEnumRequest) Body(body string) ApiTestEchoBodyStringEnumRequest {
+	r.body = &body
+	return r
+}
+
+func (r ApiTestEchoBodyStringEnumRequest) Execute() (*StringEnumRef, *http.Response, error) {
+	return r.ApiService.TestEchoBodyStringEnumExecute(r)
+}
+
+/*
+TestEchoBodyStringEnum Test string enum response body
+
+Test string enum response body
+
+ @param ctx context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
+ @return ApiTestEchoBodyStringEnumRequest
+*/
+func (a *BodyAPIService) TestEchoBodyStringEnum(ctx context.Context) ApiTestEchoBodyStringEnumRequest {
+	return ApiTestEchoBodyStringEnumRequest{
+		ApiService: a,
+		ctx: ctx,
+	}
+}
+
+// Execute executes the request
+//  @return StringEnumRef
+func (a *BodyAPIService) TestEchoBodyStringEnumExecute(r ApiTestEchoBodyStringEnumRequest) (*StringEnumRef, *http.Response, error) {
+	var (
+		localVarHTTPMethod   = http.MethodPost
+		localVarPostBody     interface{}
+		formFiles            []formFile
+		localVarReturnValue  *StringEnumRef
+	)
+
+	localBasePath, err := a.client.cfg.ServerURLWithContext(r.ctx, "BodyAPIService.TestEchoBodyStringEnum")
+	if err != nil {
+		return localVarReturnValue, nil, &GenericOpenAPIError{error: err.Error()}
+	}
+
+	localVarPath := localBasePath + "/echo/body/string_enum"
+
+	localVarHeaderParams := make(map[string]string)
+	localVarQueryParams := url.Values{}
+	localVarFormParams := url.Values{}
+
+	// to determine the Content-Type header
+	localVarHTTPContentTypes := []string{"application/json"}
+
+	// set Content-Type header
+	localVarHTTPContentType := selectHeaderContentType(localVarHTTPContentTypes)
+	if localVarHTTPContentType != "" {
+		localVarHeaderParams["Content-Type"] = localVarHTTPContentType
+	}
+
+	// to determine the Accept header
+	localVarHTTPHeaderAccepts := []string{"application/json"}
+
+	// set Accept header
+	localVarHTTPHeaderAccept := selectHeaderAccept(localVarHTTPHeaderAccepts)
+	if localVarHTTPHeaderAccept != "" {
+		localVarHeaderParams["Accept"] = localVarHTTPHeaderAccept
+	}
+	// body params
+	localVarPostBody = r.body
+	req, err := a.client.prepareRequest(r.ctx, localVarPath, localVarHTTPMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, formFiles)
+	if err != nil {
+		return localVarReturnValue, nil, err
+	}
+
+	localVarHTTPResponse, err := a.client.callAPI(req)
+	if err != nil || localVarHTTPResponse == nil {
+		return localVarReturnValue, localVarHTTPResponse, err
+	}
+
+	localVarBody, err := io.ReadAll(localVarHTTPResponse.Body)
+	localVarHTTPResponse.Body.Close()
+	localVarHTTPResponse.Body = io.NopCloser(bytes.NewBuffer(localVarBody))
+	if err != nil {
+		return localVarReturnValue, localVarHTTPResponse, err
+	}
+
+	if localVarHTTPResponse.StatusCode >= 300 {
+		newErr := &GenericOpenAPIError{
+			body:  localVarBody,
+			error: localVarHTTPResponse.Status,
+		}
+		return localVarReturnValue, localVarHTTPResponse, newErr
+	}
+
+	err = a.client.decode(&localVarReturnValue, localVarBody, localVarHTTPResponse.Header.Get("Content-Type"))
+	if err != nil {
+		newErr := &GenericOpenAPIError{
+			body:  localVarBody,
+			error: err.Error(),
+		}
+		return localVarReturnValue, localVarHTTPResponse, newErr
+	}
+
+	return localVarReturnValue, localVarHTTPResponse, nil
+}
+
 type ApiTestEchoBodyTagResponseStringRequest struct {
 	ctx context.Context
 	ApiService *BodyAPIService