experiment.py 文件源码

def match_commit(self, src_dir):
        """Check that the current commit matches the recorded commit for this experiment.

        Raises an error if commits don't match, or if there is dirty state.

        Args:
            src_dir (str): path to the Git repository
        """
        if self.metadata['dirty_repo']:
            raise EnvironmentError('Working directory was dirty when commit was recorded.')

        repo = Repo(src_dir)
        if repo.is_dirty():
            raise EnvironmentError('Current working directory is dirty.')

        current_commit = repo.head.object.hexsha.encode('utf-8')
        exp_commit = self.metadata['commit']
        if current_commit != exp_commit:
            raise EnvironmentError("Commits don't match.\nCurrent: {}\nRecorded: {}".format(current_commit, exp_commit))