main.py 文件源码

def _parsearg(self, arg):
        """ return (fspath, names) tuple after checking the file exists. """
        arg = str(arg)
        if self.config.option.pyargs:
            arg = self._tryconvertpyarg(arg)
        parts = str(arg).split("::")
        relpath = parts[0].replace("/", os.sep)
        path = self.config.invocation_dir.join(relpath, abs=True)
        if not path.check():
            if self.config.option.pyargs:
                msg = "file or package not found: "
            else:
                msg = "file not found: "
            raise pytest.UsageError(msg + arg)
        parts[0] = path
        return parts