code: def validate(self, uri):
  		
  		if WURIComponentVerifier.validate(self, uri) is False:
  			return False
  		try:
  			WStrictURIQuery(
  				WURIQuery.parse(uri.component(self.component())),
  				*self.__specs,
  				extra_parameters=self.__extra_parameters
  			)
  		except ValueError:
  			return False
  		return True
docs: Check that an query part of an URI is compatible with this descriptor. Return True if the URI is
  		compatible.
  
  		:param uri: an URI to check
  
  		:return: bool