Merge remote-tracking branch 'origin/master' into 6.0.x

samples/client/petstore/python/README.md

@@ -9,7 +9,7 @@ This Python package is automatically generated by the [OpenAPI Generator](https:
 
 ## Requirements.
 
-Python >= 3.6
+Python >=3.6
 
 ## Installation & Usage
 ### pip install

samples/client/petstore/python/petstore_api/api/another_fake_api.py

@@ -119,6 +119,10 @@ class AnotherFakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -150,6 +154,9 @@ class AnotherFakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api/fake_api.py

@@ -1132,6 +1132,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1163,6 +1167,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1199,6 +1206,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1230,6 +1241,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1268,6 +1282,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1299,6 +1317,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1337,6 +1358,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1368,6 +1393,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1404,6 +1432,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1435,6 +1467,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1471,6 +1506,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1502,6 +1541,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1538,6 +1580,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1569,6 +1615,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1607,6 +1656,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1638,6 +1691,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1679,6 +1735,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1710,6 +1770,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1752,6 +1815,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1783,6 +1850,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1831,6 +1901,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1862,6 +1936,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1926,6 +2003,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1957,6 +2038,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -2008,6 +2092,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -2039,6 +2127,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -2084,6 +2175,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -2115,6 +2210,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -2158,6 +2256,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -2189,6 +2291,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -2230,6 +2335,10 @@ class FakeApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -2261,6 +2370,9 @@ class FakeApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api/fake_classname_tags_123_api.py

@@ -121,6 +121,10 @@ class FakeClassnameTags123Api(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -152,6 +156,9 @@ class FakeClassnameTags123Api(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api/pet_api.py

@@ -584,6 +584,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -615,6 +619,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -655,6 +662,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -686,6 +697,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -726,6 +740,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -757,6 +775,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -797,6 +818,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -828,6 +853,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -868,6 +896,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -899,6 +931,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -938,6 +973,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -969,6 +1008,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1010,6 +1052,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1041,6 +1087,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1083,6 +1132,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1114,6 +1167,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -1156,6 +1212,10 @@ class PetApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -1187,6 +1247,9 @@ class PetApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api/store_api.py

@@ -265,6 +265,10 @@ class StoreApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -296,6 +300,9 @@ class StoreApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -333,6 +340,10 @@ class StoreApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -364,6 +375,9 @@ class StoreApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -402,6 +416,10 @@ class StoreApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -433,6 +451,9 @@ class StoreApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -472,6 +493,10 @@ class StoreApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -503,6 +528,9 @@ class StoreApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api/user_api.py

@@ -452,6 +452,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -483,6 +487,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -522,6 +529,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -553,6 +564,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -592,6 +606,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -623,6 +641,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -663,6 +684,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -694,6 +719,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -733,6 +761,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -764,6 +796,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -805,6 +840,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -836,6 +875,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -874,6 +916,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -905,6 +951,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')
@@ -945,6 +994,10 @@ class UserApi(object):
             _check_return_type (bool): specifies if type checking
                 should be done one the data received from the server.
                 Default is True.
+            _spec_property_naming (bool): True if the variable names in the input data
+                are serialized names, as specified in the OpenAPI document.
+                False if the variable names in the input data
+                are pythonic names, e.g. snake case (default)
             _content_type (str/None): force body content-type.
                 Default is None and content-type will be predicted by allowed
                 content-types and body.
@@ -976,6 +1029,9 @@ class UserApi(object):
         kwargs['_check_return_type'] = kwargs.get(
             '_check_return_type', True
         )
+        kwargs['_spec_property_naming'] = kwargs.get(
+            '_spec_property_naming', False
+        )
         kwargs['_content_type'] = kwargs.get(
             '_content_type')
         kwargs['_host_index'] = kwargs.get('_host_index')

samples/client/petstore/python/petstore_api/api_client.py

@@ -673,7 +673,8 @@ class Endpoint(object):
             '_return_http_data_only',
             '_check_input_type',
             '_check_return_type',
-            '_content_type'
+            '_content_type',
+            '_spec_property_naming'
         ])
         self.params_map['nullable'].extend(['_request_timeout'])
         self.validations = root_map['validations']
@@ -687,6 +688,7 @@ class Endpoint(object):
             '_return_http_data_only': (bool,),
             '_check_input_type': (bool,),
             '_check_return_type': (bool,),
+            '_spec_property_naming': (bool,),
             '_content_type': (none_type, str)
         }
         self.openapi_types.update(extra_types)
@@ -723,7 +725,7 @@ class Endpoint(object):
                 value,
                 self.openapi_types[key],
                 [key],
-                False,
+                kwargs['_spec_property_naming'],
                 kwargs['_check_input_type'],
                 configuration=self.api_client.configuration
             )
@@ -751,11 +753,11 @@ class Endpoint(object):
                 base_name = self.attribute_map[param_name]
                 if (param_location == 'form' and
                         self.openapi_types[param_name] == (file_type,)):
-                    params['file'][param_name] = [param_value]
+                    params['file'][base_name] = [param_value]
                 elif (param_location == 'form' and
                         self.openapi_types[param_name] == ([file_type],)):
                     # param_value is already a list
-                    params['file'][param_name] = param_value
+                    params['file'][base_name] = param_value
                 elif param_location in {'form', 'query'}:
                     param_value_full = (base_name, param_value)
                     params[param_location].append(param_value_full)

samples/client/petstore/python/petstore_api/model_utils.py

@@ -1657,6 +1657,7 @@ def model_to_dict(model_instance, serialize=True):
             attribute_map
     """
     result = {}
+    extract_item = lambda item: (item[0], model_to_dict(item[1], serialize=serialize)) if hasattr(item[1], '_data_store') else item
 
     model_instances = [model_instance]
     if model_instance._composed_schemas:
@@ -1686,14 +1687,17 @@ def model_to_dict(model_instance, serialize=True):
                            res.append(v)
                        elif isinstance(v, ModelSimple):
                            res.append(v.value)
+                       elif isinstance(v, dict):
+                           res.append(dict(map(
+                               extract_item,
+                               v.items()
+                           )))
                        else:
                            res.append(model_to_dict(v, serialize=serialize))
                    result[attr] = res
             elif isinstance(value, dict):
                 result[attr] = dict(map(
-                    lambda item: (item[0],
-                                  model_to_dict(item[1], serialize=serialize))
-                    if hasattr(item[1], '_data_store') else item,
+                    extract_item,
                     value.items()
                 ))
             elif isinstance(value, ModelSimple):

samples/client/petstore/python/test/test_fake_api.py

@@ -126,6 +126,7 @@ class TestFakeApi(unittest.TestCase):
                 _preload_content=True,
                 _request_timeout=None,
                 _return_http_data_only=True,
+                _spec_property_naming=False,
                 async_req=False,
                 header_number=1.234,
                 path_integer=34,