release.py 文件源码

def get_info(dynamic=True):
    ## Date information
    date_info = datetime.datetime.now()
    date = time.asctime(date_info.timetuple())

    revision, version, version_info, vcs_info = None, None, None, None

    import_failed = False
    dynamic_failed = False

    if dynamic:
        revision, vcs_info = get_revision()
        if revision is None:
            dynamic_failed = True

    if dynamic_failed or not dynamic:
        # This is where most final releases of NetworkX will be.
        # All info should come from version.py. If it does not exist, then
        # no vcs information will be provided.
        sys.path.insert(0, basedir)
        try:
            from version import date, date_info, version, version_info, vcs_info
        except ImportError:
            import_failed = True
            vcs_info = (None, (None, None))
        else:
            revision = vcs_info[1][0]
        del sys.path[0]

    if import_failed or (dynamic and not dynamic_failed):
        # We are here if:
        #   we failed to determine static versioning info, or
        #   we successfully obtained dynamic revision info
        version = ''.join([str(major), '.', str(minor)])
        if dev:
            version += '.dev_' + date_info.strftime("%Y%m%d%H%M%S")
        version_info = (name, major, minor, revision)

    return date, date_info, version, version_info, vcs_info

## Version information