1bf9272f18
* morituri/test/test_common_config.py (added): * morituri/common/Makefile.am: * morituri/test/Makefile.am: First stab at adding a configuration file to store drive read offsets.
93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
# -*- Mode: Python; test-case-name: morituri.test.test_common_config -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# Morituri - for those about to RIP
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# Copyright (C) 2009 Thomas Vander Stichele
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# This file is part of morituri.
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#
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# morituri 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 3 of the License, or
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# (at your option) any later version.
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#
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# morituri 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 morituri. If not, see <http://www.gnu.org/licenses/>.
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import os.path
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import urllib
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import codecs
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import tempfile
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import ConfigParser
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from morituri.common import log
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class Config(log.Loggable):
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def __init__(self, path=None):
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if not path:
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path = os.path.expanduser('~/.moriturirc')
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self._path = path
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self._parser = ConfigParser.SafeConfigParser()
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self.open()
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def open(self):
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# Open the file with the correct encoding
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if os.path.exists(self._path):
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with codecs.open(self._path, 'r', encoding='utf-8') as f:
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self._parser.readfp(f)
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def setReadOffset(self, vendor, model, release, offset):
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"""
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Set a read offset for the given drive.
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"""
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try:
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section = self._findDriveSection(vendor, model, release)
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except KeyError:
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section = 'drive:' + urllib.quote('%s:%s:%s' % (vendor, model, release))
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self._parser.add_section(section)
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read_offset = str(offset)
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for key in ['vendor', 'model', 'release', 'read_offset']:
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self._parser.set(section, key, locals()[key])
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def getReadOffset(self, vendor, model, release):
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"""
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Get a read offset for the given drive.
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"""
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section = self._findDriveSection(vendor, model, release)
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return int(self._parser.get(section, 'read_offset'))
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def _findDriveSection(self, vendor, model, release):
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for name in self._parser.sections():
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if not name.startswith('drive:'):
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continue
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if vendor != self._parser.get(name, 'vendor'):
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continue
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if model != self._parser.get(name, 'model'):
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continue
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if release != self._parser.get(name, 'release'):
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continue
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return name
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raise KeyError
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def write(self):
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fd, path = tempfile.mkstemp(suffix=u'.moriturirc')
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self._parser.write(fd)
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os.close(fd)
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os.rename(path, self._path)
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