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Viewing changes to loggerhead/controllers/directory_ui.py

  • Committer: Michael Hudson
  • Date: 2008-06-18 04:30:50 UTC
  • Revision ID: michael.hudson@canonical.com-20080618043050-u8e5qcj64tf16can
don't insist on python 2.4

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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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#
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import datetime
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import logging
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import os
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from bzrlib import branch
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from loggerhead import util
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from loggerhead.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 = 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_change = datetime.datetime.fromtimestamp(
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                    branch.repository.get_revision(
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                        branch.last_revision()).timestamp)
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            except:
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                self.last_change = None
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class DirectoryUI(TemplatedBranchView):
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    """
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    """
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    template_path = 'loggerhead.templates.directory'
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    def __init__(self, static_url_base, path, 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._path = path
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        self._name = name
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        self._static_url_base = static_url_base
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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 os.listdir(self._path)
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                   if not d.startswith('.')
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                   and os.path.isdir(os.path.join(self._path, d))]
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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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            p = os.path.join(self._path, d)
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            try:
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                b = branch.Branch.open(p)
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            except:
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                b = None
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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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            }