[python] Renames python generators (#7965)

* python->python-legacy, python-experimental->python

* test with openjdk8

* test with openjdk11

* comment out rm

* move kotlin tests to circleci

* move kotlin tests

* move tests to circleci

* fix circleci

* rearrange test

* move tests

* use wrapper

Co-authored-by: Justin Black <justin.a.black@gmail.com>

samples/openapi3/client/features/dynamic-servers/python/docs/UsageApi.md

@@ -0,0 +1,126 @@
+# dynamic_servers.UsageApi
+
+All URIs are relative to *http://petstore.swagger.io:80/v2*
+
+Method | HTTP request | Description
+------------- | ------------- | -------------
+[**custom_server**](UsageApi.md#custom_server) | **GET** /custom | Use custom server
+[**default_server**](UsageApi.md#default_server) | **GET** /default | Use default server
+
+
+# **custom_server**
+> {str: (bool, date, datetime, dict, float, int, list, str, none_type)} custom_server()
+
+Use custom server
+
+Use custom server
+
+### Example
+
+```python
+import time
+import dynamic_servers
+from dynamic_servers.api import usage_api
+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 = dynamic_servers.Configuration(
+    host = "http://petstore.swagger.io:80/v2"
+)
+
+
+# Enter a context with an instance of the API client
+with dynamic_servers.ApiClient() as api_client:
+    # Create an instance of the API class
+    api_instance = usage_api.UsageApi(api_client)
+
+    # example, this endpoint has no required or optional parameters
+    try:
+        # Use custom server
+        api_response = api_instance.custom_server()
+        pprint(api_response)
+    except dynamic_servers.ApiException as e:
+        print("Exception when calling UsageApi->custom_server: %s\n" % e)
+```
+
+### Parameters
+This endpoint does not need any parameter.
+
+### Return type
+
+**{str: (bool, date, datetime, dict, float, int, list, str, none_type)}**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  -  |
+
+[[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)
+
+# **default_server**
+> {str: (bool, date, datetime, dict, float, int, list, str, none_type)} default_server()
+
+Use default server
+
+Use default server
+
+### Example
+
+```python
+import time
+import dynamic_servers
+from dynamic_servers.api import usage_api
+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 = dynamic_servers.Configuration(
+    host = "http://petstore.swagger.io:80/v2"
+)
+
+
+# Enter a context with an instance of the API client
+with dynamic_servers.ApiClient() as api_client:
+    # Create an instance of the API class
+    api_instance = usage_api.UsageApi(api_client)
+
+    # example, this endpoint has no required or optional parameters
+    try:
+        # Use default server
+        api_response = api_instance.default_server()
+        pprint(api_response)
+    except dynamic_servers.ApiException as e:
+        print("Exception when calling UsageApi->default_server: %s\n" % e)
+```
+
+### Parameters
+This endpoint does not need any parameter.
+
+### Return type
+
+**{str: (bool, date, datetime, dict, float, int, list, str, none_type)}**
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | successful operation |  -  |
+
+[[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)
+