whipper-gui/examples/readdisc.py

# -*- Mode: Python; test-case-name: morituri.test.test_header -*-
# vi:si:et:sw=4:sts=4:ts=4

# Morituri - for those about to RIP

# Copyright (C) 2009 Thomas Vander Stichele

# This file is part of morituri.
# 
# morituri 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.
# 
# morituri 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 morituri.  If not, see <http://www.gnu.org/licenses/>.

import os
import sys
import tempfile
import optparse
import pickle
import shutil

import gobject
gobject.threads_init()

from morituri.common import common, task, checksum
from morituri.image import image, cue, table
from morituri.program import cdrdao, cdparanoia

"""
Rip a disc.
"""

from morituri.common import log
log.init()

def gtkmain(runner, taskk):
    import gtk
    runner.connect('stop', lambda _: gtk.main_quit())

    window = gtk.Window()
    window.add(runner)
    window.show_all()

    runner.run(taskk)

    gtk.main()

def climain(runner, taskk):
    runner.run(taskk)


def arcs(runner, function, table, track, offset):
    # rips the track with the given offset, return the arcs checksum
    print 'ripping track %r with offset %d' % (track, offset)

    fd, path = tempfile.mkstemp(suffix='.track%02d.offset%d.morituri.wav' % (
        track, offset))
    os.close(fd)

    track = table.tracks[track - 1]
    t = cdparanoia.ReadTrackTask(path, table, track.start, track.end, offset)
    t.description = 'Ripping with offset %d' % offset
    function(runner, t)

    t = checksum.AccurateRipChecksumTask(path, trackNumber=track,
        trackCount=len(table.tracks))
    function(runner, t)
    
    # os.unlink(path)
    return "%08x" % t.checksum
 
def main(argv):
    parser = optparse.OptionParser()

    default = 'cli'
    parser.add_option('-r', '--runner',
        action="store", dest="runner",
        help="runner ('cli' or 'gtk', defaults to %s)" % default,
        default=default)
    default = 0
    parser.add_option('-o', '--offset',
        action="store", dest="offset",
        help="sample offset (defaults to %d)" % default,
        default=default)
    parser.add_option('-t', '--table-pickle',
        action="store", dest="table_pickle",
        help="pickle to use for reading and writing the table",
        default=default)
    parser.add_option('-T', '--toc-pickle',
        action="store", dest="toc_pickle",
        help="pickle to use for reading and writing the TOC",
        default=default)

    options, args = parser.parse_args(argv[1:])

    if options.runner == 'cli':
        runner = task.SyncRunner()
        function = climain
    elif options.runner == 'gtk':
        from morituri.common import taskgtk
        runner = taskgtk.GtkProgressRunner()
        function = gtkmain

    # first, read the normal TOC and full index table
    ptoc = common.Persister(options.toc_pickle or None)
    if not ptoc.object:
        t = cdrdao.ReadTOCTask()
        function(runner, t)
        ptoc.persist(t.table)
    ittoc = ptoc.object

    ptable = common.Persister(options.table_pickle or None)
    if not ptable.object:
        t = cdrdao.ReadIndexTableTask()
        function(runner, t)
        ptable.persist(t.toc)
    itable = ptable.object

    lastTrackStart = 0

    for i, track in enumerate(itable.tracks):
        path = 'track%02d.wav' % (i + 1)
        # FIXME: optionally allow overriding reripping
        if not os.path.exists(path):
            print 'Ripping track %d' % (i + 1)
            t = cdparanoia.ReadVerifyTrackTask(path, ittoc, ittoc.getTrackStart(i + 1),
                ittoc.getTrackEnd(i + 1),
                offset=int(options.offset))
            t.description = 'Reading Track %d' % (i + 1)
            function(runner, t)
            if t.checksum:
                print 'Checksums match for track %d' % (i + 1)

        ittrack = table.ITTrack(i + 1)
        # we know the .toc file represents a single wav rip, so all offsets
        # are absolute since beginning of disc

        # copy over indexes, adjusting the offset
        tocTrack = itable.tracks[i]

        # first copy over index 0 if there is any
        try:
            sector, _ = tocTrack.getIndex(0)
            ittrack.index(0, path=path, relative=sector - lastTrackStart)
        except KeyError:
            pass
        lastTrackStart, _ = tocTrack.getIndex(1)

        indexes = itable.tracks[i]._indexes
        numbers = indexes.keys()
        numbers.sort()
        if 0 in numbers: 
            del numbers[0]
        for number in numbers:
            sector, _ = tocTrack.getIndex(number)
            ittrack.index(number, path=path, relative=sector - lastTrackStart)
        #itable.tracks.append(ittrack)

            

    # FIXME: this is the part where our IndexTable reader should convert
    # a .toc file to a IndexTable we can dump .cue from
    print ittoc.cue()

    # verify using accuraterip
    print "CDDB disc id", itable.getCDDBDiscId()
    url = itable.getAccurateRipURL()
    print "AccurateRip URL", url

    # FIXME: download url as a task too
    responses = []
    import urllib2
    try:
        handle = urllib2.urlopen(url)
        data = handle.read()
        responses = image.getAccurateRipResponses(data)
    except urllib2.HTTPError, e:
        if e.code == 404:
            print 'Album not found in AccurateRip database'
        else:
            raise

    if responses:
        print '%d AccurateRip reponses found' % len(responses)

        if responses[0].cddbDiscId != itable.getCDDBDiscId():
            print "AccurateRip response discid different: %s" % \
                responses[0].cddbDiscId

       
                


main(sys.argv)