svn-commit-growl

#!/usr/bin/env python
# @author Weston Ruter (@westonruter) <http://weston.ruter.net/>

import subprocess
import argparse
import time
import sys
from xml.dom import minidom

parser = argparse.ArgumentParser(
    description='Get notified of new SVN commits for a given directory via Growl'
)
parser.add_argument('-i', '--interval',
    metavar='INTERVAL',
    type=int,
    default=10,
    help="Poll interval, default=10 (seconds)"
)
parser.add_argument('-v', '--verbose',
    default=False,
    action='store_true',
    help="Show verbose log entries in Growl"
)
parser.add_argument('path',
    metavar='path',
    type=str,
    nargs='?',
    default='.',
    help='Path to check for updates; defaults to cwd'
)
args = parser.parse_args()

# Get initial revision to poll against
log_xml = subprocess.check_output(['svn', 'log', '-r', 'HEAD:1', '-l', '1', '--xml', args.path])
log_doc = minidom.parseString(log_xml)
logentry = log_doc.getElementsByTagName('logentry')[0]
latest_rev = int(logentry.getAttribute('revision'))

print "Last commit was r{rev} from {author}: {msg}".format(
    rev=latest_rev,
    author=logentry.getElementsByTagName('author')[0].firstChild.data,
    msg=logentry.getElementsByTagName('msg')[0].firstChild.data
)
print "Polling for new commits every %d seconds..." % args.interval


# Poll at the interval for new revisions
while True:
    time.sleep(args.interval)
    try:
        log_xml = subprocess.check_output(['svn', 'log', '-r', str(latest_rev)+':HEAD', '--xml', args.path])
        log_doc = minidom.parseString(log_xml)
        for logentry in (log_doc.getElementsByTagName('logentry')):
            rev = int(logentry.getAttribute('revision'))
            if rev != latest_rev:
                latest_rev = max(rev, latest_rev)
                log_txt = subprocess.check_output(['svn', 'log', '-r', str(rev), '--verbose', '--incremental', args.path])
                if args.verbose:
                    sys.stdout.write('\033]9;%s\007' % log_txt)
                else:
                    sys.stdout.write('\033]9;%s\007' % logentry.getElementsByTagName('msg')[0].firstChild.data)
                print log_txt
    except:
        # @todo print red color
        print sys.exc_info()[0], sys.exc_info()[1]