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Viewing changes to loggerhead/controllers/directory_ui.py

  • Committer: Ubuntu One Auto Copilot
  • Author(s): Jelmer Vernooij
  • Date: 2022-08-30 10:28:23 UTC
  • mfrom: (533.1.1 trunk)
  • Revision ID: otto-copilot@canonical.com-20220830102823-u3w6efosxw5s086s
Cope with moved errors NoSuchFile and FileExists in newer versions of Breezy.

Merged from https://code.launchpad.net/~jelmer/loggerhead/moved-errors/+merge/429073

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loggerhead/controllers/directory_ui.py
 
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# Copyright (C) 2008  Canonical Ltd.
 
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#                     (Authored by Martin Albisetti <argentina@gmail.com>)
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335  USA
 
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#
 
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import datetime
 
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import logging
 
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import stat
 
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from breezy import branch, errors, urlutils
 
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try:
 
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    from breezy.transport import NoSuchFile
 
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except ImportError:
 
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    from breezy.errors import NoSuchFile
 
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from .. import util
 
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from ..controllers import TemplatedBranchView
 
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class DirEntry(object):
 
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    def __init__(self, dirname, parity, branch):
 
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        self.dirname = urlutils.unquote(dirname)
 
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        self.parity = parity
 
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        self.branch = branch
 
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        if branch is not None:
 
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            # If a branch is empty, bzr raises an exception when trying this
 
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            try:
 
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                self.last_revision = branch.repository.get_revision(branch.last_revision())
 
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                self.last_change_time = datetime.datetime.utcfromtimestamp(self.last_revision.timestamp)
 
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            except errors.NoSuchRevision:
 
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                self.last_revision = None
 
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                self.last_change_time = None
 
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class DirectoryUI(TemplatedBranchView):
 
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    """
 
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    """
 
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    template_name = 'directory'
 
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    def __init__(self, static_url_base, transport, name):
 
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        class _branch(object):
 
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            context_url = 1
 
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            @staticmethod
 
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            def static_url(path):
 
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                return self._static_url_base + path
 
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        self._branch = _branch
 
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        self._history_callable = lambda: None
 
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        self._name = name
 
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        self._static_url_base = static_url_base
 
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        self.transport = transport
 
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        self.log = logging.getLogger('')
 
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    def get_values(self, path, kwargs, response):
 
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        listing = [d for d in self.transport.list_dir('.')
 
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                   if not d.startswith('.')]
 
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        listing.sort(key=lambda x: x.lower())
 
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        dirs = []
 
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        parity = 0
 
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        for d in listing:
 
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            try:
 
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                b = branch.Branch.open_from_transport(self.transport.clone(d))
 
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            except:
 
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                # TODO(jelmer): don't catch all exceptions here
 
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                try:
 
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                    if not stat.S_ISDIR(self.transport.stat(d).st_mode):
 
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                        continue
 
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                except NoSuchFile:
 
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                    continue
 
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                b = None
 
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            else:
 
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                if not b.get_config().get_user_option_as_bool('http_serve', default=True):
 
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                    continue
 
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            dirs.append(DirEntry(d, parity, b))
 
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            parity = 1 - parity
 
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        # Create breadcrumb trail
 
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        directory_breadcrumbs = util.directory_breadcrumbs(
 
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                self._name,
 
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                False,
 
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                'directory')
 
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        return {
 
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            'dirs': dirs,
 
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            'name': self._name,
 
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            'directory_breadcrumbs': directory_breadcrumbs,
 
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            }