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# bugzilla.py - bugzilla integration for mercurial
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#
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''hooks for integrating with the Bugzilla bug tracker
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This hook extension adds comments on bugs in Bugzilla when changesets
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that refer to bugs by Bugzilla ID are seen. The hook does not change
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bug status.
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The hook updates the Bugzilla database directly. Only Bugzilla
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installations using MySQL are supported.
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The hook relies on a Bugzilla script to send bug change notification
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emails. That script changes between Bugzilla versions; the
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'processmail' script used prior to 2.18 is replaced in 2.18 and
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subsequent versions by 'config/sendbugmail.pl'. Note that these will
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be run by Mercurial as the user pushing the change; you will need to
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ensure the Bugzilla install file permissions are set appropriately.
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The extension is configured through three different configuration
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sections. These keys are recognized in the [bugzilla] section:
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host
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Hostname of the MySQL server holding the Bugzilla database.
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db
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Name of the Bugzilla database in MySQL. Default 'bugs'.
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user
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Username to use to access MySQL server. Default 'bugs'.
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password
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Password to use to access MySQL server.
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timeout
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Database connection timeout (seconds). Default 5.
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version
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Bugzilla version. Specify '3.0' for Bugzilla versions 3.0 and later,
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'2.18' for Bugzilla versions from 2.18 and '2.16' for versions prior
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to 2.18.
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bzuser
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Fallback Bugzilla user name to record comments with, if changeset
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committer cannot be found as a Bugzilla user.
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bzdir
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Bugzilla install directory. Used by default notify. Default
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'/var/www/html/bugzilla'.
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notify
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The command to run to get Bugzilla to send bug change notification
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emails. Substitutes from a map with 3 keys, 'bzdir', 'id' (bug id)
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and 'user' (committer bugzilla email). Default depends on version;
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from 2.18 it is "cd %(bzdir)s && perl -T contrib/sendbugmail.pl
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%(id)s %(user)s".
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regexp
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Regular expression to match bug IDs in changeset commit message.
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Must contain one "()" group. The default expression matches 'Bug
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1234', 'Bug no. 1234', 'Bug number 1234', 'Bugs 1234,5678', 'Bug
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1234 and 5678' and variations thereof. Matching is case insensitive.
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style
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The style file to use when formatting comments.
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template
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Template to use when formatting comments. Overrides style if
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specified. In addition to the usual Mercurial keywords, the
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extension specifies::
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{bug} The Bugzilla bug ID.
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{root} The full pathname of the Mercurial repository.
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{webroot} Stripped pathname of the Mercurial repository.
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{hgweb} Base URL for browsing Mercurial repositories.
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Default 'changeset {node|short} in repo {root} refers '
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'to bug {bug}.\\ndetails:\\n\\t{desc|tabindent}'
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strip
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The number of slashes to strip from the front of {root} to produce
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{webroot}. Default 0.
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usermap
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Path of file containing Mercurial committer ID to Bugzilla user ID
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mappings. If specified, the file should contain one mapping per
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line, "committer"="Bugzilla user". See also the [usermap] section.
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The [usermap] section is used to specify mappings of Mercurial
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committer ID to Bugzilla user ID. See also [bugzilla].usermap.
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"committer"="Bugzilla user"
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Finally, the [web] section supports one entry:
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baseurl
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Base URL for browsing Mercurial repositories. Reference from
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templates as {hgweb}.
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Activating the extension::
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[extensions]
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bugzilla =
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[hooks]
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# run bugzilla hook on every change pulled or pushed in here
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incoming.bugzilla = python:hgext.bugzilla.hook
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Example configuration:
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This example configuration is for a collection of Mercurial
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repositories in /var/local/hg/repos/ used with a local Bugzilla 3.2
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installation in /opt/bugzilla-3.2. ::
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[bugzilla]
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host=localhost
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password=XYZZY
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version=3.0
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bzuser=unknown@domain.com
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bzdir=/opt/bugzilla-3.2
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template=Changeset {node|short} in {root|basename}.
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{hgweb}/{webroot}/rev/{node|short}\\n
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{desc}\\n
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strip=5
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[web]
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baseurl=http://dev.domain.com/hg
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[usermap]
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user@emaildomain.com=user.name@bugzilladomain.com
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Commits add a comment to the Bugzilla bug record of the form::
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Changeset 3b16791d6642 in repository-name.
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http://dev.domain.com/hg/repository-name/rev/3b16791d6642
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Changeset commit comment. Bug 1234.
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'''
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from mercurial.i18n import _
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from mercurial.node import short
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from mercurial import cmdutil, templater, util
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import re, time
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MySQLdb = None
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def buglist(ids):
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return '(' + ','.join(map(str, ids)) + ')'
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class bugzilla_2_16(object):
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'''support for bugzilla version 2.16.'''
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def __init__(self, ui):
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self.ui = ui
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host = self.ui.config('bugzilla', 'host', 'localhost')
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user = self.ui.config('bugzilla', 'user', 'bugs')
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passwd = self.ui.config('bugzilla', 'password')
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db = self.ui.config('bugzilla', 'db', 'bugs')
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timeout = int(self.ui.config('bugzilla', 'timeout', 5))
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usermap = self.ui.config('bugzilla', 'usermap')
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if usermap:
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self.ui.readconfig(usermap, sections=['usermap'])
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self.ui.note(_('connecting to %s:%s as %s, password %s\n') %
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(host, db, user, '*' * len(passwd)))
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self.conn = MySQLdb.connect(host=host, user=user, passwd=passwd,
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db=db, connect_timeout=timeout)
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self.cursor = self.conn.cursor()
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self.longdesc_id = self.get_longdesc_id()
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self.user_ids = {}
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self.default_notify = "cd %(bzdir)s && ./processmail %(id)s %(user)s"
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def run(self, *args, **kwargs):
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'''run a query.'''
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self.ui.note(_('query: %s %s\n') % (args, kwargs))
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try:
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self.cursor.execute(*args, **kwargs)
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except MySQLdb.MySQLError:
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self.ui.note(_('failed query: %s %s\n') % (args, kwargs))
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raise
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def get_longdesc_id(self):
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'''get identity of longdesc field'''
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self.run('select fieldid from fielddefs where name = "longdesc"')
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ids = self.cursor.fetchall()
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if len(ids) != 1:
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raise util.Abort(_('unknown database schema'))
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return ids[0][0]
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def filter_real_bug_ids(self, ids):
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'''filter not-existing bug ids from list.'''
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self.run('select bug_id from bugs where bug_id in %s' % buglist(ids))
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return sorted([c[0] for c in self.cursor.fetchall()])
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def filter_unknown_bug_ids(self, node, ids):
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'''filter bug ids from list that already refer to this changeset.'''
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self.run('''select bug_id from longdescs where
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bug_id in %s and thetext like "%%%s%%"''' %
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(buglist(ids), short(node)))
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unknown = set(ids)
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for (id,) in self.cursor.fetchall():
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self.ui.status(_('bug %d already knows about changeset %s\n') %
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(id, short(node)))
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unknown.discard(id)
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return sorted(unknown)
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def notify(self, ids, committer):
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'''tell bugzilla to send mail.'''
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self.ui.status(_('telling bugzilla to send mail:\n'))
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(user, userid) = self.get_bugzilla_user(committer)
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for id in ids:
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self.ui.status(_(' bug %s\n') % id)
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cmdfmt = self.ui.config('bugzilla', 'notify', self.default_notify)
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bzdir = self.ui.config('bugzilla', 'bzdir', '/var/www/html/bugzilla')
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try:
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# Backwards-compatible with old notify string, which
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# took one string. This will throw with a new format
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# string.
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cmd = cmdfmt % id
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except TypeError:
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cmd = cmdfmt % {'bzdir': bzdir, 'id': id, 'user': user}
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self.ui.note(_('running notify command %s\n') % cmd)
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fp = util.popen('(%s) 2>&1' % cmd)
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out = fp.read()
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ret = fp.close()
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if ret:
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self.ui.warn(out)
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raise util.Abort(_('bugzilla notify command %s') %
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util.explain_exit(ret)[0])
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self.ui.status(_('done\n'))
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def get_user_id(self, user):
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'''look up numeric bugzilla user id.'''
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try:
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return self.user_ids[user]
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except KeyError:
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try:
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userid = int(user)
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except ValueError:
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self.ui.note(_('looking up user %s\n') % user)
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self.run('''select userid from profiles
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where login_name like %s''', user)
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all = self.cursor.fetchall()
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if len(all) != 1:
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raise KeyError(user)
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userid = int(all[0][0])
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self.user_ids[user] = userid
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return userid
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def map_committer(self, user):
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'''map name of committer to bugzilla user name.'''
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for committer, bzuser in self.ui.configitems('usermap'):
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if committer.lower() == user.lower():
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return bzuser
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return user
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def get_bugzilla_user(self, committer):
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'''see if committer is a registered bugzilla user. Return
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bugzilla username and userid if so. If not, return default
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bugzilla username and userid.'''
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user = self.map_committer(committer)
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try:
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userid = self.get_user_id(user)
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except KeyError:
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try:
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defaultuser = self.ui.config('bugzilla', 'bzuser')
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if not defaultuser:
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raise util.Abort(_('cannot find bugzilla user id for %s') %
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user)
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userid = self.get_user_id(defaultuser)
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user = defaultuser
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except KeyError:
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raise util.Abort(_('cannot find bugzilla user id for %s or %s') %
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(user, defaultuser))
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return (user, userid)
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def add_comment(self, bugid, text, committer):
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'''add comment to bug. try adding comment as committer of
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changeset, otherwise as default bugzilla user.'''
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(user, userid) = self.get_bugzilla_user(committer)
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now = time.strftime('%Y-%m-%d %H:%M:%S')
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self.run('''insert into longdescs
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(bug_id, who, bug_when, thetext)
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values (%s, %s, %s, %s)''',
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(bugid, userid, now, text))
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self.run('''insert into bugs_activity (bug_id, who, bug_when, fieldid)
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values (%s, %s, %s, %s)''',
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(bugid, userid, now, self.longdesc_id))
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self.conn.commit()
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class bugzilla_2_18(bugzilla_2_16):
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'''support for bugzilla 2.18 series.'''
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def __init__(self, ui):
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bugzilla_2_16.__init__(self, ui)
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self.default_notify = \
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"cd %(bzdir)s && perl -T contrib/sendbugmail.pl %(id)s %(user)s"
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class bugzilla_3_0(bugzilla_2_18):
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'''support for bugzilla 3.0 series.'''
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def __init__(self, ui):
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bugzilla_2_18.__init__(self, ui)
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def get_longdesc_id(self):
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'''get identity of longdesc field'''
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self.run('select id from fielddefs where name = "longdesc"')
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ids = self.cursor.fetchall()
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if len(ids) != 1:
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raise util.Abort(_('unknown database schema'))
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return ids[0][0]
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class bugzilla(object):
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# supported versions of bugzilla. different versions have
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# different schemas.
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_versions = {
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'2.16': bugzilla_2_16,
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'2.18': bugzilla_2_18,
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'3.0': bugzilla_3_0
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}
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_default_bug_re = (r'bugs?\s*,?\s*(?:#|nos?\.?|num(?:ber)?s?)?\s*'
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r'((?:\d+\s*(?:,?\s*(?:and)?)?\s*)+)')
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_bz = None
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def __init__(self, ui, repo):
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self.ui = ui
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self.repo = repo
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def bz(self):
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'''return object that knows how to talk to bugzilla version in
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use.'''
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if bugzilla._bz is None:
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bzversion = self.ui.config('bugzilla', 'version')
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try:
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bzclass = bugzilla._versions[bzversion]
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except KeyError:
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raise util.Abort(_('bugzilla version %s not supported') %
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bzversion)
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bugzilla._bz = bzclass(self.ui)
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return bugzilla._bz
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def __getattr__(self, key):
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return getattr(self.bz(), key)
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_bug_re = None
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_split_re = None
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def find_bug_ids(self, ctx):
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'''find valid bug ids that are referred to in changeset
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comments and that do not already have references to this
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changeset.'''
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if bugzilla._bug_re is None:
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bugzilla._bug_re = re.compile(
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self.ui.config('bugzilla', 'regexp', bugzilla._default_bug_re),
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re.IGNORECASE)
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bugzilla._split_re = re.compile(r'\D+')
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start = 0
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ids = set()
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while True:
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m = bugzilla._bug_re.search(ctx.description(), start)
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if not m:
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break
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start = m.end()
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for id in bugzilla._split_re.split(m.group(1)):
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if not id:
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continue
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ids.add(int(id))
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if ids:
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ids = self.filter_real_bug_ids(ids)
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if ids:
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ids = self.filter_unknown_bug_ids(ctx.node(), ids)
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return ids
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def update(self, bugid, ctx):
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'''update bugzilla bug with reference to changeset.'''
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def webroot(root):
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'''strip leading prefix of repo root and turn into
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url-safe path.'''
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count = int(self.ui.config('bugzilla', 'strip', 0))
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root = util.pconvert(root)
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while count > 0:
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c = root.find('/')
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if c == -1:
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break
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root = root[c + 1:]
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count -= 1
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return root
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mapfile = self.ui.config('bugzilla', 'style')
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tmpl = self.ui.config('bugzilla', 'template')
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t = cmdutil.changeset_templater(self.ui, self.repo,
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False, None, mapfile, False)
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if not mapfile and not tmpl:
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tmpl = _('changeset {node|short} in repo {root} refers '
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'to bug {bug}.\ndetails:\n\t{desc|tabindent}')
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if tmpl:
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tmpl = templater.parsestring(tmpl, quoted=False)
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t.use_template(tmpl)
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self.ui.pushbuffer()
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t.show(ctx, changes=ctx.changeset(),
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bug=str(bugid),
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hgweb=self.ui.config('web', 'baseurl'),
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root=self.repo.root,
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webroot=webroot(self.repo.root))
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data = self.ui.popbuffer()
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self.add_comment(bugid, data, util.email(ctx.user()))
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def hook(ui, repo, hooktype, node=None, **kwargs):
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'''add comment to bugzilla for each changeset that refers to a
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bugzilla bug id. only add a comment once per bug, so same change
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seen multiple times does not fill bug with duplicate data.'''
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try:
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import MySQLdb as mysql
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global MySQLdb
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MySQLdb = mysql
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except ImportError, err:
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raise util.Abort(_('python mysql support not available: %s') % err)
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if node is None:
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raise util.Abort(_('hook type %s does not pass a changeset id') %
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hooktype)
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try:
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bz = bugzilla(ui, repo)
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ctx = repo[node]
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ids = bz.find_bug_ids(ctx)
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if ids:
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for id in ids:
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bz.update(id, ctx)
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bz.notify(ids, util.email(ctx.user()))
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except MySQLdb.MySQLError, err:
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raise util.Abort(_('database error: %s') % err[1])
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