Add Bearer authentication support to Python client (#1999)

* add bearer auth support to python

* add bearer auth support to python

* update python oas2 petstore samples

* update samples

* add bearer format

* update php symfony samle

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

@@ -15,6 +15,7 @@ To test special tags
 To test special tags and operation ID starting with number
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time

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

@@ -27,6 +27,7 @@ creates an XmlItem
 this route creates an XmlItem
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -74,6 +75,7 @@ No authorization required
 Test serialization of outer boolean types
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -121,6 +123,7 @@ No authorization required
 Test serialization of object with outer number type
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -168,6 +171,7 @@ No authorization required
 Test serialization of outer number types
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -215,6 +219,7 @@ No authorization required
 Test serialization of outer string types
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -262,6 +267,7 @@ No authorization required
 For this test, the body for this request much reference a schema named `File`.
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -306,6 +312,7 @@ No authorization required
 
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -354,6 +361,7 @@ To test \"client\" model
 To test \"client\" model
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -403,7 +411,7 @@ Fake endpoint for testing various parameters 假端點 偽のエンドポイン
 
 ### Example
 
-* Basic Authentication (http_basic_test): 
+* Basic Authentication (http_basic_test):
 ```python
 from __future__ import print_function
 import time
@@ -481,6 +489,7 @@ To test enum parameters
 To test enum parameters
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -542,6 +551,7 @@ Fake endpoint to test group parameters (optional)
 Fake endpoint to test group parameters (optional)
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -597,6 +607,7 @@ No authorization required
 test inline additionalProperties
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -642,6 +653,7 @@ No authorization required
 test json serialization of form data
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time

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

@@ -16,7 +16,7 @@ To test class name in snake case
 
 ### Example
 
-* Api Key Authentication (api_key_query): 
+* Api Key Authentication (api_key_query):
 ```python
 from __future__ import print_function
 import time

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

@@ -22,7 +22,7 @@ Add a new pet to the store
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -72,7 +72,7 @@ Deletes a pet
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -126,7 +126,7 @@ Multiple status values can be provided with comma separated strings
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -179,7 +179,7 @@ Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -232,7 +232,7 @@ Returns a single pet
 
 ### Example
 
-* Api Key Authentication (api_key): 
+* Api Key Authentication (api_key):
 ```python
 from __future__ import print_function
 import time
@@ -285,7 +285,7 @@ Update an existing pet
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -335,7 +335,7 @@ Updates a pet in the store with form data
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -389,7 +389,7 @@ uploads an image
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time
@@ -444,7 +444,7 @@ uploads an image (required)
 
 ### Example
 
-* OAuth Authentication (petstore_auth): 
+* OAuth Authentication (petstore_auth):
 ```python
 from __future__ import print_function
 import time

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

@@ -18,6 +18,7 @@ Delete purchase order by ID
 For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -66,7 +67,7 @@ Returns a map of status codes to quantities
 
 ### Example
 
-* Api Key Authentication (api_key): 
+* Api Key Authentication (api_key):
 ```python
 from __future__ import print_function
 import time
@@ -116,6 +117,7 @@ Find purchase order by ID
 For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -162,6 +164,7 @@ No authorization required
 Place an order for a pet
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time

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

@@ -22,6 +22,7 @@ Create user
 This can only be done by the logged in user.
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -67,6 +68,7 @@ No authorization required
 Creates list of users with given input array
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -112,6 +114,7 @@ No authorization required
 Creates list of users with given input array
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -159,6 +162,7 @@ Delete user
 This can only be done by the logged in user.
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -204,6 +208,7 @@ No authorization required
 Get user by user name
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -250,6 +255,7 @@ No authorization required
 Logs user into the system
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -298,6 +304,7 @@ No authorization required
 Logs out current logged in user session
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time
@@ -341,6 +348,7 @@ Updated user
 This can only be done by the logged in user.
 
 ### Example
+
 ```python
 from __future__ import print_function
 import time