release.py 文件源码

def generate_changelog(self):
        """Use the git log to create a changelog with all changes since the previous tag"""
        try:
            previous_name = self.repo.git.describe("{}^".format(self.current_tag), abbrev=0)
            previous_tag = self.repo.rev_parse(previous_name)
        except GitCommandError:
            previous_tag = THE_NULL_COMMIT
        current = self._resolve_tag(self.current_tag)
        previous = self._resolve_tag(previous_tag)
        commit_range = "{}..{}".format(previous, current)
        return [(self._shorten(commit.hexsha), commit.summary) for commit in self.repo.iter_commits(commit_range)
                if len(commit.parents) <= 1]