setup.py 文件源码

def finalize_options(self):
        import re

        current_version = self.distribution.metadata.get_version()
        if not re.search(r"\.dev[0-9]+", current_version):
            from distutils.errors import DistutilsSetupError
            raise DistutilsSetupError(
                "current version (%s) has no '.devN' suffix.\n       "
                "Run 'setup.py bump_version' with any of "
                "--major, --minor, --patch options" % current_version)

        message = self.message
        if message is None:
            if sys.stdin.isatty():
                # stdin is interactive, use editor to write release notes
                message = self.edit_release_notes()
            else:
                # read release notes from stdin pipe
                message = sys.stdin.read()

        if not message.strip():
            from distutils.errors import DistutilsSetupError
            raise DistutilsSetupError("release notes message is empty")

        self.message = "v{new_version}\n\n%s" % message