def main()

in contrib/client-side/svn-merge-vendor.py [0:0]

• 79 lines of code
• 25 McCabe index (conditional complexity)

def main():
    tag = None
    message = None
    interactive = 1
    revision_to_parse = None
    merged_vendor = None
    wc_dir = None

    # Initializing logger
    global logger
    logger = logging.getLogger('svn-merge-vendor')
    hdlr = logging.StreamHandler(sys.stderr)
    formatter = logging.Formatter('%(levelname)-8s %(message)s')
    hdlr.setFormatter(formatter)
    logger.addHandler(hdlr)
    logger.setLevel(logging.INFO)

    try:
        opts, args = getopt.gnu_getopt(sys.argv[1:], "ht:m:vr:c:w:",
                                       ["help", "tag", "message", "non-interactive", "verbose", "revision", "merged-vendor", "current-wc"])
    except getopt.GetoptError:
        # print help information and exit:
        usage()

    for o, a in opts:
        if o in ("-h", "--help"):
            usage()
        if o in ("-t", "--tag"):
            tag = a
        if o in ("-m", "--message"):
            message = a
        if o in ("--non-interactive"):
            interactive = 0
        if o in ("-v", "--verbose"):
            logger.setLevel(logging.DEBUG)
        if o in ("-r", "--revision"):
            revision_to_parse = a
        if o in ("-c", "--merged-vendor"):
            merged_vendor = a
        if o in ("-w", "--current-wc"):
            wc_dir = a

    if len(args) != 3:
        usage()

    repo_url, current_path, orig_repo_url = args[0:3]

    if (not revision_to_parse):
        usage("the revision numbers are mendatory")
    global r_from, r_to
    r_from, r_to = re.match("(\d+):(\d+)", revision_to_parse).groups()

    if not r_from or not r_to:
        usage("the revision numbers are mendatory")

    try:
        r_from_int = int(r_from)
        r_to_int = int(r_to)
    except ValueError:
        usage("the revision parameter is not a number")

    if r_from_int >= r_to_int:
        usage("the 'from revision' must be inferior to the 'to revision'")

    if not merged_vendor:
        if orig_repo_url.startswith("http://"):
            wc_dir_orig = checkout(orig_repo_url, r_from)
            check_exit(wc_dir_orig, "Error during checkout")

            check_exit(merge(wc_dir_orig, r_from, r_to), "Error during merge")
        else:
            usage("ORIGINAL_REPO_URL must start with 'http://'")
    else:
        wc_dir_orig = merged_vendor

    if not wc_dir:
        wc_dir = checkout(repo_url+"/"+current_path)
        check_exit(wc_dir, "Error during checkout")

    check_exit(treat_status(wc_dir_orig, wc_dir), "Error during resolving")

    if (interactive):
        fine_tune(wc_dir)

    if not message:
        message = "New vendor version, upgrading from revision %s to revision %s" % (r_from, r_to)
        alert(["No message was specified to commit, the program will use that default one : '%s'" % (message),
            "Press Enter to commit, or Ctrl-C to abort."])

    check_exit(commit(wc_dir, message), "Error during commit")

    if tag:
        if not message:
            message = "Tag %s, when upgrading the vendor branch from revision %s to revision %s" % (tag, r_from, r_to)
            alert(["No message was specified to tag, the program will use that default one : '%s'" % (message),
                "Press Enter to tag, or Ctrl-C to abort."])
        check_exit(tag_wc(repo_url, current_path, tag, message), "Error during tag")

    logger.info("Vendor branch merged, passed from %s to %s !" % (r_from, r_to))