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#!/usr/bin/python
# Copyright 2012, 2013 Lars Wirzenius
#
# This program 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 program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import cliapp
import os
import sys
import cachedirlib
class Cachedir(cliapp.Application):
_tag_name = 'CACHEDIR.TAG'
_tag = 'Signature: 8a477f597d28d172789f06886806bc55\n'
def _join(self, dirname):
return os.path.join(dirname, self._tag_name)
def cmd_tag(self, args):
'''Add cache tag to directories.'''
for dirname in args:
with open(self._join(dirname), 'w') as f:
f.write(self._tag)
def cmd_untag(self, args):
'''Remove cache tag from directories.'''
for dirname in args:
os.remove(self._join(dirname))
def cmd_iscache(self, args):
'''Are all named directories tagged?
There is no output, but exit code is 0 if all named directories
are tagged as cache directories.
'''
errors = False
for dirname in args:
if not os.path.exists(self._join(dirname)):
sys.stderr.write('%s is not a cache directory\n' % dirname)
errors = True
if errors:
sys.exit(1)
def cmd_find(self, args):
'''Find cache directories under the given directories.'''
for startdir in args:
for dirname, subdirs, filenames in os.walk(startdir):
if os.path.exists(self._join(dirname)):
self.output.write('%s\n' % dirname)
Cachedir(version=cachedirlib.__version__).run()
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