parameters: (self, request_dict, operation_name,
                                 expires_in=3600, region_name=None,
                                 signing_name=None)
return_statement: return request.url
docstring: Generates a presigned url
  
          :type request_dict: dict
          :param request_dict: The prepared request dictionary returned by
              ``botocore.awsrequest.prepare_request_dict()``
  
          :type operation_name: str
          :param operation_name: The operation being signed.
  
          :type expires_in: int
          :param expires_in: The number of seconds the presigned url is valid
              for. By default it expires in an hour (3600 seconds)
  
          :type region_name: string
          :param region_name: The region name to sign the presigned url.
  
          :type signing_name: str
          :param signing_name: The name to use for the service when signing.
  
          :returns: The presigned url
docstring_summary: Generates a presigned url
docstring_tokens: Generates a presigned url
function: def generate_presigned_url(self, request_dict, operation_name,
                                 expires_in=3600, region_name=None,
                                 signing_name=None):
          """Generates a presigned url
  
          :type request_dict: dict
          :param request_dict: The prepared request dictionary returned by
              ``botocore.awsrequest.prepare_request_dict()``
  
          :type operation_name: str
          :param operation_name: The operation being signed.
  
          :type expires_in: int
          :param expires_in: The number of seconds the presigned url is valid
              for. By default it expires in an hour (3600 seconds)
  
          :type region_name: string
          :param region_name: The region name to sign the presigned url.
  
          :type signing_name: str
          :param signing_name: The name to use for the service when signing.
  
          :returns: The presigned url
          """
          request = create_request_object(request_dict)
          self.sign(operation_name, request, region_name,
                    'presign-url', expires_in, signing_name)
  
          request.prepare()
          return request.url
function_tokens: def generate_presigned_url ( self , request_dict , operation_name , expires_in = 3600 , region_name = None , signing_name = None ) : request = create_request_object ( request_dict ) self . sign ( operation_name , request , region_name , 'presign-url' , expires_in , signing_name ) request . prepare ( ) return request . url