Add regex support

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

@@ -116,8 +116,8 @@ class {{classname}}(object):
             raise ValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must be a value greater than or equal to `{{minimum}}`")
     {{/minimum}}
     {{#pattern}}
-        #if not re.match('{{pattern}}', '{{paramName}}' in params and  params['{{paramName}}']): 
-        #    raise ValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must conform to the pattern `{{pattern}}`")
+        if '{{paramName}}' in params and not re.match('{{pattern}}', params['{{paramName}}']): 
+            raise ValueError("Invalid value for parameter `{{paramName}}` when calling `{{operationId}}`, must conform to the pattern `{{pattern}}`")
     {{/pattern}}
 {{/hasValidation}}
 {{/allParams}}

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

@@ -80,34 +80,35 @@ class {{classname}}(object):
                 "Invalid value for `{{name}}`, must be one of {0}"
                 .format(allowed_values)
             )
-        {{/isEnum}}
-        {{^isEnum}}
+{{/isEnum}}
+{{^isEnum}}
+{{#hasValidation}}
 
-        {{#hasValidation}}
         if not {{name}}:
             raise ValueError("Invalid value for `{{name}}`, must not be `None`")
-        {{#maxLength}}
+{{#maxLength}}
         if len({{name}}) > {{maxLength}}: 
             raise ValueError("Invalid value for `{{name}}`, length must be less than `{{maxLength}}`")
-        {{/maxLength}}
-        {{#minLength}}
+{{/maxLength}}
+{{#minLength}}
         if len({{name}}) < {{minLength}}: 
             raise ValueError("Invalid value for `{{name}}`, length must be greater than or equal to `{{minLength}}`")
-        {{/minLength}}
-        {{#maximum}}
+{{/minLength}}
+{{#maximum}}
         if {{name}} > {{maximum}}: 
             raise ValueError("Invalid value for `{{name}}`, must be a value less than or equal to `{{maximum}}`")
-        {{/maximum}}
-        {{#minimum}}
+{{/maximum}}
+{{#minimum}}
         if {{name}} < {{minimum}}: 
             raise ValueError("Invalid value for `{{name}}`, must be a value greater than or equal to `{{minimum}}`")
-        {{/minimum}}
-        {{#pattern}}
-        #if not re.match('/[a-z]/i', {{name}}):
-        #    raise ValueError("Invalid value for `{{name}}`, must be a follow pattern or equal to `{{pattern}}`")
-        {{/pattern}}
-        {{/hasValidation}}
-        {{/isEnum}}
+{{/minimum}}
+{{#pattern}}
+        if not re.match('{{pattern}}', {{name}}):
+            raise ValueError("Invalid value for `{{name}}`, must be a follow pattern or equal to `{{pattern}}`")
+{{/pattern}}
+{{/hasValidation}}
+{{/isEnum}}
+
         self._{{name}} = {{name}}
 
 {{/vars}}