b6fb7e8a86
Whipper is now fully PEP8 compliant. Revised version which includes all the changes suggested by Freso.
706 lines
25 KiB
Python
706 lines
25 KiB
Python
# -*- Mode: Python; test-case-name: whipper.test.test_common_program -*-
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# vi:si:et:sw=4:sts=4:ts=4
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# Copyright (C) 2009, 2010, 2011 Thomas Vander Stichele
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# This file is part of whipper.
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#
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# whipper 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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# whipper 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 whipper. If not, see <http://www.gnu.org/licenses/>.
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"""
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Common functionality and class for all programs using whipper.
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"""
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import musicbrainzngs
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import os
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import sys
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import time
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from whipper.common import common, mbngs, cache, path
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from whipper.common import checksum
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from whipper.program import cdrdao, cdparanoia
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from whipper.image import image
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from whipper.extern.task import task
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import logging
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logger = logging.getLogger(__name__)
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# FIXME: should Program have a runner ?
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class Program:
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"""
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I maintain program state and functionality.
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@ivar metadata:
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@type metadata: L{mbngs.DiscMetadata}
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@ivar result: the rip's result
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@type result: L{result.RipResult}
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@type outdir: unicode
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@type config: L{whipper.common.config.Config}
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"""
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cuePath = None
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logPath = None
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metadata = None
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outdir = None
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result = None
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_stdout = None
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def __init__(self, config, record=False, stdout=sys.stdout):
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"""
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@param record: whether to record results of API calls for playback.
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"""
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self._record = record
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self._cache = cache.ResultCache()
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self._stdout = stdout
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self._config = config
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d = {}
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for key, default in {
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'fat': True,
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'special': False
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}.items():
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value = None
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value = self._config.getboolean('main', 'path_filter_' + key)
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if value is None:
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value = default
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d[key] = value
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self._filter = path.PathFilter(**d)
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def setWorkingDirectory(self, workingDirectory):
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if workingDirectory:
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logger.info('Changing to working directory %s' % workingDirectory)
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os.chdir(workingDirectory)
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def getFastToc(self, runner, toc_pickle, device):
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"""
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Retrieve the normal TOC table from a toc pickle or the drive.
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Also retrieves the cdrdao version
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@rtype: tuple of L{table.Table}, str
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"""
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def function(r, t):
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r.run(t)
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ptoc = cache.Persister(toc_pickle or None)
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if not ptoc.object:
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from pkg_resources import parse_version as V
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version = cdrdao.getCDRDAOVersion()
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if V(version) < V('1.2.3rc2'):
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sys.stdout.write('Warning: cdrdao older than 1.2.3 has a '
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'pre-gap length bug.\n'
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'See http://sourceforge.net/tracker/?func=detail&aid=604751&group_id=2171&atid=102171\n') # noqa: E501
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t = cdrdao.ReadTOCTask(device)
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ptoc.persist(t.table)
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toc = ptoc.object
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assert toc.hasTOC()
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return toc
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def getTable(self, runner, cddbdiscid, mbdiscid, device, offset):
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"""
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Retrieve the Table either from the cache or the drive.
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@rtype: L{table.Table}
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"""
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tcache = cache.TableCache()
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ptable = tcache.get(cddbdiscid, mbdiscid)
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itable = None
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tdict = {}
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# Ignore old cache, since we do not know what offset it used.
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if type(ptable.object) is dict:
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tdict = ptable.object
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if offset in tdict:
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itable = tdict[offset]
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if not itable:
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logger.debug('getTable: cddbdiscid %s, mbdiscid %s not '
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'in cache for offset %s, reading table' % (
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cddbdiscid, mbdiscid, offset))
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t = cdrdao.ReadTableTask(device)
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itable = t.table
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tdict[offset] = itable
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ptable.persist(tdict)
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logger.debug('getTable: read table %r' % itable)
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else:
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logger.debug('getTable: cddbdiscid %s, mbdiscid %s in cache '
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'for offset %s' % (cddbdiscid, mbdiscid, offset))
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logger.debug('getTable: loaded table %r' % itable)
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assert itable.hasTOC()
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self.result.table = itable
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logger.debug('getTable: returning table with mb id %s' %
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itable.getMusicBrainzDiscId())
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return itable
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def getRipResult(self, cddbdiscid):
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"""
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Retrieve the persistable RipResult either from our cache (from a
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previous, possibly aborted rip), or return a new one.
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@rtype: L{result.RipResult}
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"""
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assert self.result is None
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self._presult = self._cache.getRipResult(cddbdiscid)
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self.result = self._presult.object
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return self.result
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def saveRipResult(self):
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self._presult.persist()
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def getPath(self, outdir, template, mbdiscid, i, disambiguate=False):
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"""
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Based on the template, get a complete path for the given track,
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minus extension.
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Also works for the disc name, using disc variables for the template.
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@param outdir: the directory where to write the files
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@type outdir: unicode
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@param template: the template for writing the file
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@type template: unicode
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@param i: track number (0 for HTOA, or for disc)
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@type i: int
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@rtype: unicode
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"""
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assert type(outdir) is unicode, "%r is not unicode" % outdir
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assert type(template) is unicode, "%r is not unicode" % template
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# the template is similar to grip, except for %s/%S/%r/%R
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# see #gripswitches
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# returns without extension
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v = {}
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v['t'] = '%02d' % i
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# default values
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v['A'] = 'Unknown Artist'
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v['d'] = mbdiscid # fallback for title
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v['r'] = 'unknown'
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v['R'] = 'Unknown'
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v['B'] = '' # barcode
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v['C'] = '' # catalog number
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v['x'] = 'flac'
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v['X'] = v['x'].upper()
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v['y'] = '0000'
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v['a'] = v['A']
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if i == 0:
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v['n'] = 'Hidden Track One Audio'
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else:
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v['n'] = 'Unknown Track %d' % i
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if self.metadata:
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release = self.metadata.release or '0000'
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v['y'] = release[:4]
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v['A'] = self._filter.filter(self.metadata.artist)
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v['S'] = self._filter.filter(self.metadata.sortName)
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v['d'] = self._filter.filter(self.metadata.title)
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v['B'] = self.metadata.barcode
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v['C'] = self.metadata.catalogNumber
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if self.metadata.releaseType:
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v['R'] = self.metadata.releaseType
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v['r'] = self.metadata.releaseType.lower()
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if i > 0:
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try:
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v['a'] = self._filter.filter(
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self.metadata.tracks[i - 1].artist)
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v['s'] = self._filter.filter(
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self.metadata.tracks[i - 1].sortName)
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v['n'] = self._filter.filter(
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self.metadata.tracks[i - 1].title)
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except IndexError, e:
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print 'ERROR: no track %d found, %r' % (i, e)
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raise
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else:
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# htoa defaults to disc's artist
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v['a'] = self._filter.filter(self.metadata.artist)
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# when disambiguating, use catalogNumber then barcode
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if disambiguate:
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templateParts = list(os.path.split(template))
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if self.metadata.catalogNumber:
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templateParts[-2] += ' (%s)' % self.metadata.catalogNumber
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elif self.metadata.barcode:
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templateParts[-2] += ' (%s)' % self.metadata.barcode
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template = os.path.join(*templateParts)
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logger.debug('Disambiguated template to %r' % template)
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import re
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template = re.sub(r'%(\w)', r'%(\1)s', template)
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ret = os.path.join(outdir, template % v)
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return ret
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def getCDDB(self, cddbdiscid):
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"""
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@param cddbdiscid: list of id, tracks, offsets, seconds
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@rtype: str
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"""
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# FIXME: convert to nonblocking?
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import CDDB
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try:
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code, md = CDDB.query(cddbdiscid)
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logger.debug('CDDB query result: %r, %r', code, md)
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if code == 200:
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return md['title']
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except IOError, e:
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# FIXME: for some reason errno is a str ?
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if e.errno == 'socket error':
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self._stdout.write("Warning: network error: %r\n" % (e, ))
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else:
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raise
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return None
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def getMusicBrainz(self, ittoc, mbdiscid, release=None, country=None,
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prompt=False):
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"""
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@type ittoc: L{whipper.image.table.Table}
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"""
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# look up disc on MusicBrainz
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self._stdout.write('Disc duration: %s, %d audio tracks\n' % (
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common.formatTime(ittoc.duration() / 1000.0),
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ittoc.getAudioTracks()))
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logger.debug('MusicBrainz submit url: %r',
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ittoc.getMusicBrainzSubmitURL())
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ret = None
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metadatas = None
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e = None
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for _ in range(0, 4):
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try:
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metadatas = mbngs.musicbrainz(mbdiscid,
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country=country,
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record=self._record)
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break
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except mbngs.NotFoundException, e:
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break
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except musicbrainzngs.NetworkError, e:
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self._stdout.write("Warning: network error: %r\n" % (e, ))
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break
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except mbngs.MusicBrainzException, e:
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self._stdout.write("Warning: %r\n" % (e, ))
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time.sleep(5)
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continue
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if not metadatas:
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if e:
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self._stdout.write("Error: %r\n" % (e, ))
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self._stdout.write('Continuing without metadata\n')
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if metadatas:
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deltas = {}
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self._stdout.write('\nMatching releases:\n')
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for metadata in metadatas:
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self._stdout.write('\n')
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self._stdout.write('Artist : %s\n' %
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metadata.artist.encode('utf-8'))
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self._stdout.write('Title : %s\n' %
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metadata.title.encode('utf-8'))
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self._stdout.write('Duration: %s\n' %
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common.formatTime(metadata.duration /
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1000.0))
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self._stdout.write('URL : %s\n' % metadata.url)
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self._stdout.write('Release : %s\n' % metadata.mbid)
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self._stdout.write('Type : %s\n' % metadata.releaseType)
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if metadata.barcode:
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self._stdout.write("Barcode : %s\n" % metadata.barcode)
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if metadata.catalogNumber:
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self._stdout.write("Cat no : %s\n" %
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metadata.catalogNumber)
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delta = abs(metadata.duration - ittoc.duration())
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if delta not in deltas:
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deltas[delta] = []
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deltas[delta].append(metadata)
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lowest = None
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if not release and len(metadatas) > 1:
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# Select the release that most closely matches the duration.
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lowest = min(deltas.keys())
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if prompt:
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guess = (deltas[lowest])[0].mbid
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release = raw_input(
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"\nPlease select a release [%s]: " % guess)
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if not release:
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release = guess
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if release:
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metadatas = [m for m in metadatas if m.url.endswith(release)]
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logger.debug('Asked for release %r, only kept %r',
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release, metadatas)
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if len(metadatas) == 1:
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self._stdout.write('\n')
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self._stdout.write('Picked requested release id %s\n' %
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release)
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self._stdout.write('Artist : %s\n' %
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metadatas[0].artist.encode('utf-8'))
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self._stdout.write('Title : %s\n' %
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metadatas[0].title.encode('utf-8'))
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elif not metadatas:
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self._stdout.write(
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"Requested release id '%s', "
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"but none of the found releases match\n" % release)
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return
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else:
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if lowest:
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metadatas = deltas[lowest]
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# If we have multiple, make sure they match
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if len(metadatas) > 1:
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artist = metadatas[0].artist
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releaseTitle = metadatas[0].releaseTitle
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for i, metadata in enumerate(metadatas):
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if not artist == metadata.artist:
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logger.warning("artist 0: %r and artist %d: %r "
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"are not the same" % (
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artist, i, metadata.artist))
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if not releaseTitle == metadata.releaseTitle:
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logger.warning("title 0: %r and title %d: %r "
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"are not the same" % (
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releaseTitle, i,
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metadata.releaseTitle))
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if (not release and len(deltas.keys()) > 1):
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self._stdout.write('\n')
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self._stdout.write('Picked closest match in duration.\n')
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self._stdout.write('Others may be wrong in MusicBrainz, '
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'please correct.\n')
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self._stdout.write('Artist : %s\n' %
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artist.encode('utf-8'))
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self._stdout.write('Title : %s\n' %
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metadatas[0].title.encode('utf-8'))
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# Select one of the returned releases. We just pick the first one.
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ret = metadatas[0]
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else:
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self._stdout.write(
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'Submit this disc to MusicBrainz at the above URL.\n')
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ret = None
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self._stdout.write('\n')
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return ret
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def getTagList(self, number):
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"""
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Based on the metadata, get a dict of tags for the given track.
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@param number: track number (0 for HTOA)
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@type number: int
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@rtype: dict
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"""
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trackArtist = u'Unknown Artist'
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albumArtist = u'Unknown Artist'
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disc = u'Unknown Disc'
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title = u'Unknown Track'
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if self.metadata:
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trackArtist = self.metadata.artist
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albumArtist = self.metadata.artist
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disc = self.metadata.title
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mbidAlbum = self.metadata.mbid
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mbidTrackAlbum = self.metadata.mbidArtist
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mbDiscId = self.metadata.discid
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if number > 0:
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try:
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track = self.metadata.tracks[number - 1]
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trackArtist = track.artist
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title = track.title
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mbidTrack = track.mbid
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mbidTrackArtist = track.mbidArtist
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except IndexError, e:
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print 'ERROR: no track %d found, %r' % (number, e)
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raise
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else:
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# htoa defaults to disc's artist
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title = 'Hidden Track One Audio'
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tags = {}
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if self.metadata and not self.metadata.various:
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tags['ALBUMARTIST'] = albumArtist
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tags['ARTIST'] = trackArtist
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tags['TITLE'] = title
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tags['ALBUM'] = disc
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tags['TRACKNUMBER'] = u'%s' % number
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if self.metadata:
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if self.metadata.release is not None:
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tags['DATE'] = self.metadata.release
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if number > 0:
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tags['MUSICBRAINZ_TRACKID'] = mbidTrack
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tags['MUSICBRAINZ_ARTISTID'] = mbidTrackArtist
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tags['MUSICBRAINZ_ALBUMID'] = mbidAlbum
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tags['MUSICBRAINZ_ALBUMARTISTID'] = mbidTrackAlbum
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tags['MUSICBRAINZ_DISCID'] = mbDiscId
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# TODO/FIXME: ISRC tag
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return tags
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def getHTOA(self):
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"""
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Check if we have hidden track one audio.
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@returns: tuple of (start, stop), or None
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"""
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track = self.result.table.tracks[0]
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try:
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index = track.getIndex(0)
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except KeyError:
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return None
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start = index.absolute
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stop = track.getIndex(1).absolute - 1
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return (start, stop)
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def verifyTrack(self, runner, trackResult):
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t = checksum.CRC32Task(trackResult.filename)
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try:
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runner.run(t)
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except task.TaskException, e:
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if isinstance(e.exception, common.MissingFrames):
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logger.warning('missing frames for %r' % trackResult.filename)
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return False
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else:
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raise
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ret = trackResult.testcrc == t.checksum
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logger.debug('verifyTrack: track result crc %r, '
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'file crc %r, result %r',
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trackResult.testcrc, t.checksum, ret)
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return ret
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def ripTrack(self, runner, trackResult, offset, device, taglist,
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overread, what=None):
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"""
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Ripping the track may change the track's filename as stored in
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trackResult.
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@param trackResult: the object to store information in.
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@type trackResult: L{result.TrackResult}
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"""
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if trackResult.number == 0:
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start, stop = self.getHTOA()
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else:
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start = self.result.table.getTrackStart(trackResult.number)
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stop = self.result.table.getTrackEnd(trackResult.number)
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dirname = os.path.dirname(trackResult.filename)
|
|
if not os.path.exists(dirname):
|
|
os.makedirs(dirname)
|
|
|
|
if not what:
|
|
what = 'track %d' % (trackResult.number, )
|
|
|
|
t = cdparanoia.ReadVerifyTrackTask(trackResult.filename,
|
|
self.result.table, start,
|
|
stop, overread,
|
|
offset=offset,
|
|
device=device,
|
|
taglist=taglist,
|
|
what=what)
|
|
|
|
runner.run(t)
|
|
|
|
logger.debug('ripped track')
|
|
logger.debug('test speed %.3f/%.3f seconds' % (
|
|
t.testspeed, t.testduration))
|
|
logger.debug('copy speed %.3f/%.3f seconds' % (
|
|
t.copyspeed, t.copyduration))
|
|
trackResult.testcrc = t.testchecksum
|
|
trackResult.copycrc = t.copychecksum
|
|
trackResult.peak = t.peak
|
|
trackResult.quality = t.quality
|
|
trackResult.testspeed = t.testspeed
|
|
trackResult.copyspeed = t.copyspeed
|
|
# we want rerips to add cumulatively to the time
|
|
trackResult.testduration += t.testduration
|
|
trackResult.copyduration += t.copyduration
|
|
|
|
if trackResult.filename != t.path:
|
|
trackResult.filename = t.path
|
|
logger.info('Filename changed to %r', trackResult.filename)
|
|
|
|
def retagImage(self, runner, taglists):
|
|
cueImage = image.Image(self.cuePath)
|
|
t = image.ImageRetagTask(cueImage, taglists)
|
|
runner.run(t)
|
|
|
|
def verifyImage(self, runner, responses):
|
|
"""
|
|
Verify our image against the given AccurateRip responses.
|
|
|
|
Needs an initialized self.result.
|
|
Will set accurip and friends on each TrackResult.
|
|
"""
|
|
|
|
logger.debug('verifying Image against %d AccurateRip responses',
|
|
len(responses or []))
|
|
|
|
cueImage = image.Image(self.cuePath)
|
|
verifytask = image.ImageVerifyTask(cueImage)
|
|
cuetask = image.AccurateRipChecksumTask(cueImage)
|
|
runner.run(verifytask)
|
|
runner.run(cuetask)
|
|
|
|
self._verifyImageWithChecksums(responses, cuetask.checksums)
|
|
|
|
def _verifyImageWithChecksums(self, responses, checksums):
|
|
# loop over tracks to set our calculated AccurateRip CRC's
|
|
for i, csum in enumerate(checksums):
|
|
trackResult = self.result.getTrackResult(i + 1)
|
|
trackResult.ARCRC = csum
|
|
|
|
if not responses:
|
|
logger.warning('No AccurateRip responses, cannot verify.')
|
|
return
|
|
|
|
# now loop to match responses
|
|
for i, csum in enumerate(checksums):
|
|
trackResult = self.result.getTrackResult(i + 1)
|
|
|
|
confidence = None
|
|
response = None
|
|
|
|
# match against each response's checksum for this track
|
|
for j, r in enumerate(responses):
|
|
if "%08x" % csum == r.checksums[i]:
|
|
response = r
|
|
logger.debug(
|
|
"Track %02d matched response %d of %d in "
|
|
"AccurateRip database",
|
|
i + 1, j + 1, len(responses))
|
|
trackResult.accurip = True
|
|
# FIXME: maybe checksums should be ints
|
|
trackResult.ARDBCRC = int(r.checksums[i], 16)
|
|
# arsum = csum
|
|
confidence = r.confidences[i]
|
|
trackResult.ARDBConfidence = confidence
|
|
|
|
if not trackResult.accurip:
|
|
logger.warning("Track %02d: not matched in "
|
|
"AccurateRip database", i + 1)
|
|
|
|
# I have seen AccurateRip responses with 0 as confidence
|
|
# for example, Best of Luke Haines, disc 1, track 1
|
|
maxConfidence = -1
|
|
maxResponse = None
|
|
for r in responses:
|
|
if r.confidences[i] > maxConfidence:
|
|
maxConfidence = r.confidences[i]
|
|
maxResponse = r
|
|
|
|
logger.debug('Track %02d: found max confidence %d' % (
|
|
i + 1, maxConfidence))
|
|
trackResult.ARDBMaxConfidence = maxConfidence
|
|
if not response:
|
|
logger.warning('Track %02d: none of the responses matched.',
|
|
i + 1)
|
|
trackResult.ARDBCRC = int(
|
|
maxResponse.checksums[i], 16)
|
|
else:
|
|
trackResult.ARDBCRC = int(response.checksums[i], 16)
|
|
|
|
# TODO MW: Update this further for ARv2 code
|
|
def getAccurateRipResults(self):
|
|
"""
|
|
@rtype: list of str
|
|
"""
|
|
res = []
|
|
|
|
# loop over tracks
|
|
for i, trackResult in enumerate(self.result.tracks):
|
|
status = 'rip NOT accurate'
|
|
|
|
if trackResult.accurip:
|
|
status = 'rip accurate '
|
|
|
|
c = "(not found) "
|
|
ar = ", DB [notfound]"
|
|
if trackResult.ARDBMaxConfidence:
|
|
c = "(max confidence %3d)" % trackResult.ARDBMaxConfidence
|
|
if trackResult.ARDBConfidence is not None:
|
|
if trackResult.ARDBConfidence \
|
|
< trackResult.ARDBMaxConfidence:
|
|
c = "(confidence %3d of %3d)" % (
|
|
trackResult.ARDBConfidence,
|
|
trackResult.ARDBMaxConfidence)
|
|
|
|
ar = ", DB [%08x]" % trackResult.ARDBCRC
|
|
# htoa tracks (i == 0) do not have an ARCRC
|
|
if trackResult.ARCRC is None:
|
|
assert trackResult.number == 0, \
|
|
'no trackResult.ARCRC on non-HTOA track %d' % \
|
|
trackResult.number
|
|
res.append("Track 0: unknown (not tracked)")
|
|
else:
|
|
res.append("Track %2d: %s %s [%08x]%s" % (
|
|
trackResult.number, status, c, trackResult.ARCRC, ar))
|
|
|
|
return res
|
|
|
|
def writeCue(self, discName):
|
|
assert self.result.table.canCue()
|
|
cuePath = '%s.cue' % discName
|
|
logger.debug('write .cue file to %s', cuePath)
|
|
handle = open(cuePath, 'w')
|
|
# FIXME: do we always want utf-8 ?
|
|
handle.write(self.result.table.cue(cuePath).encode('utf-8'))
|
|
handle.close()
|
|
|
|
self.cuePath = cuePath
|
|
|
|
return cuePath
|
|
|
|
def writeLog(self, discName, logger):
|
|
logPath = '%s.log' % discName
|
|
handle = open(logPath, 'w')
|
|
log = logger.log(self.result)
|
|
handle.write(log.encode('utf-8'))
|
|
handle.close()
|
|
|
|
self.logPath = logPath
|
|
|
|
return logPath
|