103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2010 Romain Bignon
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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, version 3 of the License.
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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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from __future__ import with_statement
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import stat
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import os
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from ConfigParser import RawConfigParser
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from logging import warning
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__all__ = ['BackendsConfig']
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class BackendsConfig(object):
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class WrongPermissions(Exception):
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pass
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def __init__(self, confpath):
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self.confpath = confpath
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try:
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mode = os.stat(confpath).st_mode
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except OSError:
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os.mknod(confpath, 0600)
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else:
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if mode & stat.S_IRGRP or mode & stat.S_IROTH:
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raise self.WrongPermissions(
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u'Weboob will not start until config file %s is readable by group or other users.' % confpath)
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def iter_backends(self):
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config = RawConfigParser()
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config.read(self.confpath)
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for instance_name in config.sections():
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params = dict(config.items(instance_name))
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try:
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backend_name = params.pop('_backend')
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except KeyError:
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try:
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backend_name = params.pop('_type')
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warning(u'Please replace _type with _backend in your config file "%s", for backend "%s"' % (
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self.confpath, backend_name))
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except KeyError:
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warning('Missing field "_backend" for configured backend "%s"', instance_name)
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continue
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yield instance_name, backend_name, params
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def add_backend(self, instance_name, backend_name, params, edit=False):
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if not instance_name:
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raise ValueError(u'Please give a name to the configured backend.')
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config = RawConfigParser()
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config.read(self.confpath)
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if not edit:
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config.add_section(instance_name)
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config.set(instance_name, '_backend', backend_name)
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for key, value in params.iteritems():
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config.set(instance_name, key, value)
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with open(self.confpath, 'wb') as f:
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config.write(f)
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def edit_backend(self, instance_name, backend_name, params):
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return self.add_backend(instance_name, backend_name, params, True)
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def get_backend(self, instance_name):
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config = RawConfigParser()
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config.read(self.confpath)
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if not config.has_section(instance_name):
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raise KeyError(u'Configured backend "%s" not found' % instance_name)
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items = dict(config.items(instance_name))
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try:
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backend_name = items.pop('_backend')
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except KeyError:
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try:
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backend_name = items.pop('_type')
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warning(u'Please replace _type with _backend in your config file "%s"' % self.confpath)
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except KeyError:
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warning('Missing field "_backend" for configured backend "%s"', instance_name)
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raise KeyError(u'Configured backend "%s" not found' % instance_name)
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return backend_name, items
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def remove_backend(self, instance_name):
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config = RawConfigParser()
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config.read(self.confpath)
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config.remove_section(instance_name)
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with open(self.confpath, 'w') as f:
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config.write(f)
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