source.py 文件源码

def isparseable(self, deindent=True):
        """ return True if source is parseable, heuristically
            deindenting it by default.
        """
        try:
            import parser
        except ImportError:
            syntax_checker = lambda x: compile(x, 'asd', 'exec')
        else:
            syntax_checker = parser.suite

        if deindent:
            source = str(self.deindent())
        else:
            source = str(self)
        try:
            #compile(source+'\n', "x", "exec")
            syntax_checker(source+'\n')
        except KeyboardInterrupt:
            raise
        except Exception:
            return False
        else:
            return True