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#!/usr/bin/python
# Author: Matt Zimmerman <mdz@ubuntu.com>
# Copyright (C) 2011 Canonical, Ltd.
# License: GPLv3
#
# Update the bugpattern-needed / bugpattern-written tags for bugs for which
# patterns exist
from launchpadlib.launchpad import Launchpad
import xml.dom.minidom
import argparse
import sys
BUGPATTERNS = 'bugpatterns.xml'
class BugDatabase:
def __init__(self):
self.launchpad = None
self.ubuntu = None
def connect(self, authenticated=False):
progname = 'ubuntu-bugpatterns/update-tags'
root = 'staging'
if authenticated:
self.launchpad = Launchpad.login_with(progname, root)
else:
self.launchpad = Launchpad.login_anonymously(progname, root)
self.ubuntu = self.launchpad.distributions['ubuntu']
# Launchpad makes this harder than this unfortunately :-(
# def bugs_with_tag(self, tag):
# bugs = set()
# for task in self.ubuntu.searchTasks(tags=tag):
# bugs.add(task.bug.id)
# return bugs
def bug_has_tag(self, bug, tag):
return tag in self.launchpad.bugs[bug].tags
def bug_add_tag(self, bug, tag):
bug = self.launchpad.bugs[bug]
new_tags = bug.tags[:]
new_tags.append(tag)
bug.tags = new_tags
bug.lp_save()
def bug_remove_tag(self, bug, tag):
bug = self.launchpad.bugs[bug]
new_tags = bug.tags[:]
new_tags.remove(tag)
bug.tags = new_tags
bug.lp_save()
def urls_from_dom(dom):
urls = set()
for pattern in dom.getElementsByTagName('pattern'):
if not pattern.attributes.has_key('url'): continue
url = pattern.attributes['url'].nodeValue
urls.add(url)
return urls
def bug_numbers_from_urls(urls):
bug_numbers = set()
for url in urls:
if not 'launchpad.net/bugs/' in url: continue
bug_number = int(url.split('/')[-1])
bug_numbers.add(bug_number)
return bug_numbers
def bug_to_url(bug):
return 'http://launchpad.net/bugs/%d' % bug
def bugs_to_string(bugs):
'\n'.join(map(bug_to_url, bugs))
def main():
parser = argparse.ArgumentParser(description='Fix up bugpattern-{needed,written} tags')
parser.add_argument("--file", help="File to read bugpatterns from", dest="file", action="store")
parser.add_argument("--dry-run", help="Dry run (make no changes)", dest="dry_run", action="store_true")
parser.add_argument("-r", help="Bazaar revisionspec to compare against when checking recent patterns (ignored for --all-patterns)", dest="revision", default='last:2')
args = parser.parse_args()
dom = xml.dom.minidom.parseString(open(BUGPATTERNS).read())
urls = urls_from_dom(dom)
bugs_with_patterns = bug_numbers_from_urls(urls)
if not bugs_with_patterns:
print "No patterns found"
return
print "Found bug patterns for %d bugs" % len(bugs_with_patterns)
db = BugDatabase()
db.connect(authenticated=not args.dry_run)
changes = set()
for bug in bugs_with_patterns:
if db.bug_has_tag(bug, 'bugpattern-needed'):
# remove the bugpattern-needed tag
changes.add((bug, 'bugpattern-needed', False))
if not db.bug_has_tag(bug, 'bugpattern-written'):
# add the bugpattern-written tag
changes.add((bug, 'bugpattern-written', True))
if changes:
for bug, tag, state in changes:
print "%s - %s %s" % (bug_to_url(bug), state and 'add' or 'remove', tag)
if args.dry_run: continue
if state:
db.bug_add_tag(bug, tag)
else:
db.bug_remove_tag(bug, tag)
else:
print "All good!"
if __name__ == '__main__':
main()
sys.exit(0)
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