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Viewing changes to bzrlib/lockdir.py

  • Committer: Martin Pool
  • Date: 2010-04-01 04:41:18 UTC
  • mto: This revision was merged to the branch mainline in revision 5128.
  • Revision ID: mbp@sourcefrog.net-20100401044118-shyctqc02ob08ngz
ignore .testrepository

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bzrlib/lockdir.py
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# files/dirs created.
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_DEFAULT_TIMEOUT_SECONDS = 30
 
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_DEFAULT_TIMEOUT_SECONDS = 300
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_DEFAULT_POLL_SECONDS = 1.0
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        # have a similar bug allowing someone to think they got the lock
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        # when it's already held.
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        #
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        # See <https://bugs.launchpad.net/bzr/+bug/498378> for one case.
 
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        # See <https://bugs.edge.launchpad.net/bzr/+bug/498378> for one case.
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        #
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        # Strictly the check is unnecessary and a waste of time for most
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        # people, but probably worth trapping if something is wrong.
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        # XXX: is creating this here inefficient?
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        config = bzrlib.config.GlobalConfig()
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        try:
 
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            user = config.user_email()
 
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        except errors.NoEmailInUsername:
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            user = config.username()
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        except errors.NoWhoami:
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            user = osutils.getuser_unicode()
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        s = rio.Stanza(hostname=get_host_name(),
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                   pid=str(os.getpid()),
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                   start_time=str(int(time.time())),
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                if deadline_str is None:
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                    deadline_str = time.strftime('%H:%M:%S',
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                                                 time.localtime(deadline))
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                # As local lock urls are correct we display them.
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                # We avoid displaying remote lock urls.
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                lock_url = self.transport.abspath(self.path)
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                if lock_url.startswith('file://'):
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                    lock_url = lock_url.split('.bzr/')[0]
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                else:
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                    lock_url = ''
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                user, hostname, pid, time_ago = formatted_info
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                msg = ('%s lock %s '        # lock_url
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                    'held by '              # start
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                    '%s\n'                  # user
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                    'at %s '                # hostname
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                    '[process #%s], '       # pid
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                    'acquired %s.')         # time ago
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                msg_args = [start, lock_url, user, hostname, pid, time_ago]
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                if timeout > 0:
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                    msg += ('\nWill continue to try until %s, unless '
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                        'you press Ctrl-C.')
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                    msg_args.append(deadline_str)
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                msg += '\nSee "bzr help break-lock" for more.'
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                self._report_function(msg, *msg_args)
 
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                # See <https://bugs.edge.launchpad.net/bzr/+bug/250451>
 
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                # the URL here is sometimes not one that is useful to the
 
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                # user, perhaps being wrapped in a lp-%d or chroot decorator,
 
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                # especially if this error is issued from the server.
 
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                self._report_function('%s %s\n'
 
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                    '%s\n' # held by
 
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                    '%s\n' # locked ... ago
 
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                    'Will continue to try until %s, unless '
 
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                    'you press Ctrl-C.\n'
 
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                    'See "bzr help break-lock" for more.',
 
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                    start,
 
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                    formatted_info[0],
 
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                    formatted_info[1],
 
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                    formatted_info[2],
 
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                    deadline_str,
 
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                    )
 
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            if (max_attempts is not None) and (attempt_count >= max_attempts):
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                self._trace("exceeded %d attempts")
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                raise LockContention(self)
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                self._trace("waiting %ss", poll)
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                time.sleep(poll)
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            else:
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                # As timeout is always 0 for remote locks
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                # this block is applicable only for local
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                # lock contention
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                self._trace("timeout after waiting %ss", timeout)
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                raise LockContention('(local)', lock_url)
 
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                raise LockContention(self)
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    def leave_in_place(self):
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        self._locked_via_token = True
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    def _format_lock_info(self, info):
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        """Turn the contents of peek() into something for the user"""
 
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        lock_url = self.transport.abspath(self.path)
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        start_time = info.get('start_time')
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        if start_time is None:
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            time_ago = '(unknown)'
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        else:
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            time_ago = format_delta(time.time() - int(info['start_time']))
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        user = info.get('user', '<unknown>')
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        hostname = info.get('hostname', '<unknown>')
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        pid = info.get('pid', '<unknown>')
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        return [
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            user,
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            hostname,
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            pid,
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            time_ago,
 
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            'lock %s' % (lock_url,),
 
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            'held by %s on host %s [process #%s]' %
 
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                tuple([info.get(x, '<unknown>') for x in ['user', 'hostname', 'pid']]),
 
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            'locked %s' % (time_ago,),
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            ]
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    def validate_token(self, token):