radicale/radicale/storage/multifilesystem.py
2015-02-07 17:26:20 +01:00

97 lines
3.2 KiB
Python

# -*- coding: utf-8 -*-
#
# This file is part of Radicale Server - Calendar Server
# Copyright © 2014 Jean-Marc Martins
# Copyright © 2014-2015 Guillaume Ayoub
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
"""
Multi files per calendar filesystem storage backend.
"""
import os
import shutil
import time
import sys
from . import filesystem
from .. import ical
class Collection(filesystem.Collection):
"""Collection stored in several files per calendar."""
def _create_dirs(self):
if not os.path.exists(self._path):
os.makedirs(self._path)
@property
def headers(self):
return (
ical.Header("PRODID:-//Radicale//NONSGML Radicale Server//EN"),
ical.Header("VERSION:%s" % self.version))
def write(self):
self._create_dirs()
for component in self.components:
text = ical.serialize(
self.tag, self.headers, [component] + self.timezones)
name = (
component.name if sys.version_info[0] >= 3 else
component.name.encode(filesystem.FILESYSTEM_ENCODING))
path = os.path.join(self._path, name)
with filesystem.open(path, "w") as fd:
fd.write(text)
def delete(self):
shutil.rmtree(self._path)
os.remove(self._props_path)
def remove(self, name):
if os.path.exists(os.path.join(self._path, name)):
os.remove(os.path.join(self._path, name))
@property
def text(self):
components = (
ical.Timezone, ical.Event, ical.Todo, ical.Journal, ical.Card)
items = set()
try:
for filename in os.listdir(self._path):
with filesystem.open(os.path.join(self._path, filename)) as fd:
items.update(self._parse(fd.read(), components))
except IOError:
return ""
else:
return ical.serialize(
self.tag, self.headers, sorted(items, key=lambda x: x.name))
@classmethod
def is_node(cls, path):
path = os.path.join(filesystem.FOLDER, path.replace("/", os.sep))
return os.path.isdir(path) and not os.path.exists(path + ".props")
@classmethod
def is_leaf(cls, path):
path = os.path.join(filesystem.FOLDER, path.replace("/", os.sep))
return os.path.isdir(path) and os.path.exists(path + ".props")
@property
def last_modified(self):
last = max([
os.path.getmtime(os.path.join(self._path, filename))
for filename in os.listdir(self._path)] or [0])
return time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime(last))