def source_files(self):
        """This rule's source files."""
        if 'srcs' in self.params and self.params['srcs'] is not None:
            return util.flatten(self.params['srcs'])
def source_files ( self ) : if 'srcs' in self . params and self . params [ 'srcs' ] is not None : return util . flatten ( self . params [ 'srcs' ] )
This rule's source files.