anaconda_pyflakes.py 文件源码

def check(self, code, filename, ignore=None):
        """Check the code with pyflakes to find errors
        """

        class FakeLoc:
            lineno = 0

        try:
            fname = ''
            if filename is not None:
                fname = filename.encode('utf8') or ''
            code = code.encode('utf8') + b'\n'
            tree = compile(code, fname, 'exec', _ast.PyCF_ONLY_AST)
        except (SyntaxError, IndentationError):
            return self._handle_syntactic_error(code, filename)
        except ValueError as error:
            return [PyFlakesError(filename, FakeLoc(), 'E', error.args[0]), []]
        else:
            # the file is syntactically valid, check it now
            w = pyflakes.Checker(tree, filename, ignore)

            return w.messages