core.py 文件源码

def visit(self, node):
        method = 'visit_' + node.__class__.__name__
        visitor = getattr(self, method, None)
        if self.verbose:
            lineno = getattr(node, 'lineno', 1)
            line = self.code[lineno - 1] if self.code else ''
            self._log(lineno, ast.dump(node), line)
        if visitor:
            visitor(node)
        return self.generic_visit(node)