[PYTHON] Api doc python with multiple authentications (OpenAPITools#928)

* [PYTHON] better code snippet for API usage with authentication

* update python samples

modules/openapi-generator/src/main/resources/python/api_doc.mustache

@@ -18,47 +18,14 @@ Method | HTTP request | Description
 {{{notes}}}{{/notes}}
 
 ### Example
-```python
-from __future__ import print_function
-import time
-import {{{packageName}}}
-from {{{packageName}}}.rest import ApiException
-from pprint import pprint
-{{#hasAuthMethods}}{{#authMethods}}{{#isBasic}}
-# Configure HTTP basic authorization: {{{name}}}
-configuration = {{{packageName}}}.Configuration()
-configuration.username = 'YOUR_USERNAME'
-configuration.password = 'YOUR_PASSWORD'{{/isBasic}}{{#isApiKey}}
-# Configure API key authorization: {{{name}}}
-configuration = {{{packageName}}}.Configuration()
-configuration.api_key['{{{keyParamName}}}'] = 'YOUR_API_KEY'
-# Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
-# configuration.api_key_prefix['{{{keyParamName}}}'] = 'Bearer'{{/isApiKey}}{{#isOAuth}}
-# Configure OAuth2 access token for authorization: {{{name}}}
-configuration = {{{packageName}}}.Configuration()
-configuration.access_token = 'YOUR_ACCESS_TOKEN'{{/isOAuth}}{{/authMethods}}
-
-# create an instance of the API class
-api_instance = {{{packageName}}}.{{{classname}}}({{{packageName}}}.ApiClient(configuration))
-{{#allParams}}{{paramName}} = {{{example}}} # {{{dataType}}} | {{{description}}}{{^required}} (optional){{/required}}{{#defaultValue}} (default to {{{.}}}){{/defaultValue}}
-{{/allParams}}
+{{#hasAuthMethods}}{{#authMethods}}
+{{#isBasic}}* Basic Authentication ({{name}}): {{/isBasic }}{{#isApiKey}}* Api Key Authentication ({{name}}): {{/isApiKey }}{{#isOAuth}}* OAuth Authentication ({{name}}): {{/isOAuth }}
+{{> api_doc_example }}
+{{/authMethods}}
 {{/hasAuthMethods}}
 {{^hasAuthMethods}}
-
-# create an instance of the API class
-api_instance = {{{packageName}}}.{{{classname}}}()
-{{#allParams}}{{paramName}} = {{{example}}} # {{{dataType}}} | {{{description}}}{{^required}} (optional){{/required}}{{#defaultValue}} (default to {{{.}}}){{/defaultValue}}
-{{/allParams}}
+{{> api_doc_example }}
 {{/hasAuthMethods}}
-
-try:
-{{#summary}}    # {{{.}}}
-{{/summary}}    {{#returnType}}api_response = {{/returnType}}api_instance.{{{operationId}}}({{#allParams}}{{#required}}{{paramName}}{{/required}}{{^required}}{{paramName}}={{paramName}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}){{#returnType}}
-    pprint(api_response){{/returnType}}
-except ApiException as e:
-    print("Exception when calling {{classname}}->{{operationId}}: %s\n" % e)
-```
-
 ### Parameters
 {{^allParams}}This endpoint does not need any parameter.{{/allParams}}{{#allParams}}{{#-last}}
 Name | Type | Description  | Notes

modules/openapi-generator/src/main/resources/python/api_doc_example.mustache

@@ -0,0 +1,40 @@
+```python
+from __future__ import print_function
+import time
+import {{{packageName}}}
+from {{{packageName}}}.rest import ApiException
+from pprint import pprint
+{{#hasAuthMethods}}{{#isBasic}}
+# Configure HTTP basic authorization: {{{name}}}
+configuration = {{{packageName}}}.Configuration()
+configuration.username = 'YOUR_USERNAME'
+configuration.password = 'YOUR_PASSWORD'{{/isBasic}}{{#isApiKey}}
+# Configure API key authorization: {{{name}}}
+configuration = {{{packageName}}}.Configuration()
+configuration.api_key['{{{keyParamName}}}'] = 'YOUR_API_KEY'
+# Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
+# configuration.api_key_prefix['{{{keyParamName}}}'] = 'Bearer'{{/isApiKey}}{{#isOAuth}}
+# Configure OAuth2 access token for authorization: {{{name}}}
+configuration = {{{packageName}}}.Configuration()
+configuration.access_token = 'YOUR_ACCESS_TOKEN'{{/isOAuth}}
+
+# create an instance of the API class
+api_instance = {{{packageName}}}.{{{classname}}}({{{packageName}}}.ApiClient(configuration))
+{{#allParams}}{{paramName}} = {{{example}}} # {{{dataType}}} | {{{description}}}{{^required}} (optional){{/required}}{{#defaultValue}} (default to {{{.}}}){{/defaultValue}}
+{{/allParams}}
+{{/hasAuthMethods}}
+{{^hasAuthMethods}}
+
+# create an instance of the API class
+api_instance = {{{packageName}}}.{{{classname}}}()
+{{#allParams}}{{paramName}} = {{{example}}} # {{{dataType}}} | {{{description}}}{{^required}} (optional){{/required}}{{#defaultValue}} (default to {{{.}}}){{/defaultValue}}
+{{/allParams}}
+{{/hasAuthMethods}}
+
+try:
+{{#summary}}    # {{{.}}}
+{{/summary}}    {{#returnType}}api_response = {{/returnType}}api_instance.{{{operationId}}}({{#allParams}}{{#required}}{{paramName}}{{/required}}{{^required}}{{paramName}}={{paramName}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}){{#returnType}}
+    pprint(api_response){{/returnType}}
+except ApiException as e:
+    print("Exception when calling {{classname}}->{{operationId}}: %s\n" % e)
+```

samples/client/petstore/python-asyncio/.openapi-generator/VERSION

@@ -1 +1 @@
-3.2.3-SNAPSHOT
+3.2.2-SNAPSHOT

samples/client/petstore/python-asyncio/docs/FakeApi.md

@@ -353,6 +353,8 @@ Fake endpoint for testing various parameters 假端點 偽のエンドポイン
 Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 
 ### Example
+
+* Basic Authentication (http_basic_test): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-asyncio/docs/FakeClassnameTags123Api.md

@@ -15,6 +15,8 @@ To test class name in snake case
 To test class name in snake case
 
 ### Example
+
+* Api Key Authentication (api_key_query): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-asyncio/docs/PetApi.md

@@ -21,6 +21,8 @@ Method | HTTP request | Description
 Add a new pet to the store
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -70,6 +72,8 @@ void (empty response body)
 Deletes a pet
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -123,6 +127,8 @@ Finds Pets by status
 Multiple status values can be provided with comma separated strings
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -175,6 +181,8 @@ Finds Pets by tags
 Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -227,6 +235,8 @@ Find pet by ID
 Returns a single pet
 
 ### Example
+
+* Api Key Authentication (api_key): 
 ```python
 from __future__ import print_function
 import time
@@ -279,6 +289,8 @@ Name | Type | Description  | Notes
 Update an existing pet
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -328,6 +340,8 @@ void (empty response body)
 Updates a pet in the store with form data
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -381,6 +395,8 @@ void (empty response body)
 uploads an image
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -435,6 +451,8 @@ Name | Type | Description  | Notes
 uploads an image (required)
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-asyncio/docs/StoreApi.md

@@ -65,6 +65,8 @@ Returns pet inventories by status
 Returns a map of status codes to quantities
 
 ### Example
+
+* Api Key Authentication (api_key): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-tornado/.openapi-generator/VERSION

@@ -1 +1 @@
-3.2.3-SNAPSHOT
+3.2.2-SNAPSHOT

samples/client/petstore/python-tornado/docs/FakeApi.md

@@ -353,6 +353,8 @@ Fake endpoint for testing various parameters 假端點 偽のエンドポイン
 Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 
 ### Example
+
+* Basic Authentication (http_basic_test): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-tornado/docs/FakeClassnameTags123Api.md

@@ -15,6 +15,8 @@ To test class name in snake case
 To test class name in snake case
 
 ### Example
+
+* Api Key Authentication (api_key_query): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-tornado/docs/PetApi.md

@@ -21,6 +21,8 @@ Method | HTTP request | Description
 Add a new pet to the store
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -70,6 +72,8 @@ void (empty response body)
 Deletes a pet
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -123,6 +127,8 @@ Finds Pets by status
 Multiple status values can be provided with comma separated strings
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -175,6 +181,8 @@ Finds Pets by tags
 Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -227,6 +235,8 @@ Find pet by ID
 Returns a single pet
 
 ### Example
+
+* Api Key Authentication (api_key): 
 ```python
 from __future__ import print_function
 import time
@@ -279,6 +289,8 @@ Name | Type | Description  | Notes
 Update an existing pet
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -328,6 +340,8 @@ void (empty response body)
 Updates a pet in the store with form data
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -381,6 +395,8 @@ void (empty response body)
 uploads an image
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time
@@ -435,6 +451,8 @@ Name | Type | Description  | Notes
 uploads an image (required)
 
 ### Example
+
+* OAuth Authentication (petstore_auth): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python-tornado/docs/StoreApi.md

@@ -65,6 +65,8 @@ Returns pet inventories by status
 Returns a map of status codes to quantities
 
 ### Example
+
+* Api Key Authentication (api_key): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python/.openapi-generator/VERSION

@@ -1 +1 @@
-3.2.3-SNAPSHOT
+3.2.2-SNAPSHOT

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

@@ -353,6 +353,8 @@ Fake endpoint for testing various parameters 假端點 偽のエンドポイン
 Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 
 ### Example
+
+* Basic Authentication (http_basic_test): 
 ```python
 from __future__ import print_function
 import time

samples/client/petstore/python/docs/FakeClassnameTags123Api.md

@@ -15,6 +15,8 @@ To test class name in snake case
 To test class name in snake case
 
 ### Example
+
+* Api Key Authentication (api_key_query): 
 ```python
 from __future__ import print_function
 import time