Merge pull request #3034 from taxpon/issue-3029-python-constructor

Update python constrouctor to provide arguments for instance initialization

modules/swagger-codegen/src/main/resources/python/gitignore.mustache

@@ -44,6 +44,8 @@ nosetests.xml
 coverage.xml
 *,cover
 .hypothesis/
+venv/
+.python-version
 
 # Translations
 *.mo

modules/swagger-codegen/src/main/resources/python/model.mustache

@@ -14,7 +14,7 @@ class {{classname}}(object):
     NOTE: This class is auto generated by the swagger code generator program.
     Do not edit the class manually.
     """
-    def __init__(self):
+    def __init__(self{{#readWriteVars}}, {{name}}={{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}None{{/defaultValue}}{{/readWriteVars}}):
         """
         {{classname}} - a model defined in Swagger
 
@@ -33,9 +33,12 @@ class {{classname}}(object):
             {{/hasMore}}{{/vars}}
         }
 
-{{#vars}}
+{{#readOnlyVars}}
         self._{{name}} = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}None{{/defaultValue}}
-{{/vars}}
+{{/readOnlyVars}}
+{{#readWriteVars}}
+        self._{{name}} = {{name}}
+{{/readWriteVars}}
 {{#vars}}{{#-first}}
 {{/-first}}
     @property
@@ -49,6 +52,7 @@ class {{classname}}(object):
         """
         return self._{{name}}
 
+{{^isReadOnly}}
     @{{name}}.setter
     def {{name}}(self, {{name}}):
         """
@@ -96,6 +100,7 @@ class {{classname}}(object):
 
         self._{{name}} = {{name}}
 
+{{/isReadOnly}}
 {{/vars}}
     def to_dict(self):
         """