File: jack_prepare.py

package info (click to toggle)
jack 3.1.1+cvs20050801-31
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 4,316 kB
  • sloc: python: 6,358; ansic: 1,910; makefile: 6; sh: 5
file content (794 lines) | stat: -rw-r--r-- 34,186 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
### jack_prepare: prepare everything for the main_loop; a module for
### jack - extract audio from a CD and encode it using 3rd party software
### Copyright (C) 1999-2004  Arne Zellentin <zarne@users.sf.net>

### 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 2 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, write to the Free Software
### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import string
import types
import pprint
import os, sys
import difflib, shutil

import jack_playorder
import jack_functions
import jack_progress
import jack_version
import jack_utils
import jack_ripstuff
import jack_targets
import jack_helpers
import jack_freedb
import jack_status
import jack_encstuff
import jack_misc
import jack_tag

from jack_globals import *
from jack_init import ogg
from jack_init import flac

global tracknum
datatracks = []

def find_workdir():
    "search for a dir containing a toc-file or do the multi-mode"
    tries = 0
    toc_just_read = 0
    debug("multi_mode:" + `cf['_multi_mode']`)
    while (not os.path.exists(cf['_toc_file'])) or cf['_multi_mode']:
        tries = tries + 1
        if tries > 2:
            break
        if cf['_guess_mp3s']:
            jack_ripstuff.all_tracks = jack_functions.guesstoc(cf['_guess_mp3s'])
        else:
            if cf['_multi_mode']:
                debug("multimode all_tracks reset")
                jack_ripstuff.all_tracks = []
            else:
                if cf['_image_toc_file']:
                    # put the absolute path in the variable since we'll change cwd soon
                    cf['_image_toc_file'] = os.path.abspath(cf['_image_toc_file'])
                    jack_ripstuff.all_tracks, dummy, dummy = jack_functions.cdrdao_gettoc(cf['_image_toc_file'])
                else:
                    if cf['_image_file']:
                        warning("No TOC file for image '%s' specified, reading TOC from CD device." % cf['_image_file'])
                        cf['_image_file'] = os.path.abspath(cf['_image_file'])
                    jack_ripstuff.all_tracks = jack_functions.gettoc(cf['_toc_prog'])
                    toc_just_read = 1

            if cf['_scan_dirs']:
                dirs = [os.getcwd()]
                # Also scan base_dir since it's not guaranteed that users
                # run jack in base_dir
                if cf['_base_dir']:
                    cf['_base_dir'] = expand(cf['_base_dir'])
                    if os.path.exists(cf['_base_dir']) and cf['_base_dir'] not in dirs:
                        dirs.append(cf['_base_dir'])
            else:
                dirs = cf['_searchdirs']

            while cf['_scan_dirs'] > 0:
                cf['_scan_dirs'] = cf['_scan_dirs'] - 1
                new_dirs = []
                for i in dirs:
                    if not i in new_dirs:
                        new_dirs.append(i)
                    try:
                        subdir = os.listdir(i)
                    except OSError, msg:
                        print "skipped %s, %s" % (i, msg)
                        continue
                    for j in subdir:
                        dir = os.path.join(i,j)
                        if os.path.isdir(dir) and not dir in new_dirs:
                            new_dirs.append(dir)
                dirs = new_dirs
            possible_dirs = []  # dirs matching inserted CD
            jack_dirs = []      # dirs containing toc_file
            for i in dirs:
                if os.path.exists(os.path.join(i, cf['_toc_file'])):
                    jack_dirs.append(i)
                    file_toc, dummy, dummy = jack_functions.cdrdao_gettoc(os.path.join(i, cf['_toc_file']))
                    if jack_freedb.freedb_id(jack_ripstuff.all_tracks) == jack_freedb.freedb_id(file_toc):
                        possible_dirs.append(i)

            if cf['_multi_mode']:
                unique_dirs = []
                for i in range(len(jack_dirs)):
                    found = 0
                    for j in range(i + 1,len(jack_dirs)):
                        if os.path.samefile(jack_dirs[i], jack_dirs[j]):
                            found = 1
                    if not found:
                        unique_dirs.append(jack_dirs[i])
                for i in unique_dirs:
                    jack_ripstuff.all_tracks, dummy, track1_offset = jack_functions.cdrdao_gettoc(os.path.join(i, cf['_toc_file']))
                    err, jack_tag.track_names, jack_tag.locale_names, cd_id, revision = freedb_names(jack_freedb.freedb_id(jack_ripstuff.all_tracks), jack_ripstuff.all_tracks, jack_ripstuff.all_tracks, os.path.join(i, cf['_freedb_form_file']), verb = 0, warn = 0)
                    if err or cf['_force']:# this means freedb data is not there yet
                        info("matching dir found: %d" % i)
                        pid = os.fork()
                        if pid == CHILD:
                            os.chdir(i)
                            ch_args = sys.argv
                            for killarg in ('--force', '--multi-mode'):
                                if killarg in ch_args:
                                    ch_args.remove(killarg)
                            info("running" + `ch_args`)
                            os.execvp(ch_args[0], ch_args)
                        else:
                            respid, res = os.waitpid(pid, 0)
                sys.exit()

            unique_dirs = []
            for i in range(len(possible_dirs)):
                found = 0
                for j in range(i + 1,len(possible_dirs)):
                    if os.path.samefile(possible_dirs[i], possible_dirs[j]):
                        found = 1
                if not found:
                    unique_dirs.append(possible_dirs[i])
                    info("matching dir found: " + possible_dirs[i])
            if len(unique_dirs) > 1:
                error("found more than one workdir, change to the correct one.")
            elif len(unique_dirs) == 1:
                os.chdir(unique_dirs[0])
            else:
                if cf['_create_dirs']:
                    cf['_base_dir'] = expand(cf['_base_dir'])
                    if not os.path.exists(cf['_base_dir']):
                        os.makedirs(cf['_base_dir'])
                    os.chdir(cf['_base_dir'])
                    dir_name = jack_version.prog_name + "-" + jack_freedb.freedb_id(jack_ripstuff.all_tracks, warn=0)
                    if not os.path.exists(dir_name) and not os.path.isdir(dir_name):
                        os.mkdir(dir_name)
                    os.chdir(dir_name)
                    jack_freedb.dir_created = dir_name
                    jack_functions.progress("all", "mkdir", jack_freedb.dir_created)

        if not cf['_multi_mode']:
            if not os.path.exists(cf['_toc_file']):
                jack_functions.cdrdao_puttoc(cf['_toc_file'], jack_ripstuff.all_tracks, jack_freedb.freedb_id(jack_ripstuff.all_tracks))
                jack_freedb.freedb_template(jack_ripstuff.all_tracks) # generate freedb form if tocfile is created
            if not os.path.exists(cf['_freedb_form_file']):
                jack_freedb.freedb_template(jack_ripstuff.all_tracks)
        else:
            break
    return toc_just_read

def check_toc():
    "compare CD toc to tocfile"

    if cf['_check_toc']:
        cd_toc = jack_functions.gettoc(cf['_toc_prog'])
        if os.path.exists(cf['_toc_file']):
            file_toc, dummy, dummy = jack_functions.cdrdao_gettoc(cf['_toc_file'])
        else:
            print "no toc-file named " + cf['_toc_file'] + " found, exiting."
            jack_display.exit()
        print "This is the inserted CD:"
        pprint.pprint(cd_toc)
        print
        print "And This is what we expect:"
        pprint.pprint(file_toc)
        print
        if cmp(cd_toc, file_toc) == 0:
            print 'Yes, toc-file ("' + cf['_toc_file'] + '") matches inserted CD.'
        else:
            print 'No, toc-file ("' + cf['_toc_file'] + '") *DOES NOT* match inserted CD.'

def read_toc_file():
    "read and interpret toc_file"
    global is_submittable

    is_submittable = 0
    if os.path.exists(cf['_toc_file']):
        if cf['_image_toc_file']:
            cf['_toc_file'] = cf['_image_toc_file']

        jack_ripstuff.all_tracks, new_image_file, track1_offset = jack_functions.cdrdao_gettoc(cf['_toc_file'])

        if not os.path.exists(cf['_def_toc']):
            jack_functions.cdrdao_puttoc(cf['_def_toc'], jack_ripstuff.all_tracks, jack_freedb.freedb_id(jack_ripstuff.all_tracks))

        # if image_file is not set (-F), we can guess it from image_toc_file
        if not cf['_image_file'] and not cf['_rip_from_device']:
            cf['_image_file'] = new_image_file

        if cf['_rip_from_device']:
            cf['_image_file'] = ""

        is_submittable = 1
    return is_submittable, track1_offset

def filter_tracks(toc_just_read, status):
    "filter out data tracks"
    global datatracks

    if toc_just_read and jack_helpers.helpers[cf['_ripper']].has_key("toc_cmd") and cf['_ripper'] != cf['_toc_prog']:
        ripper_tracks = jack_functions.gettoc(cf['_ripper'])
        if ripper_tracks != jack_ripstuff.all_tracks:
            for i in range(len(jack_ripstuff.all_tracks)):
                rtn = jack_utils.has_track(ripper_tracks, jack_ripstuff.all_tracks[i][NUM])
                if rtn >= 0:
                    for j in range(6):
                        # "NUM LEN START COPY PRE CH" (not: "RIP RATE NAME")
                        if ripper_tracks[rtn][j] != jack_ripstuff.all_tracks[i][j]:
                            jack_functions.progress(i + 1, "patch", "%s %d -> %d" % (fields[j], jack_ripstuff.all_tracks[i][j], ripper_tracks[rtn][j]))
                            jack_ripstuff.all_tracks[i][j] = ripper_tracks[rtn][j]
                            debug("Track %02d %s" % (i + 1, fields[j]) + `jack_ripstuff.all_tracks[i][j]` + " != " + `ripper_tracks[rtn][j]` + " (trusting %s; to the right)" % cf['_ripper'])
                else:
                    jack_functions.progress(i + 1, "off", "non-audio")
                    datatracks.append(i + 1)
                    info("Track %02d not found by %s. Treated as non-audio." % (i + 1, cf['_ripper']))
    if not toc_just_read:
        datatracks += [x for x in status.keys() if status[x]["off"] and status[x]["off"] == ["non-audio"]]

def gen_todo():
    "parse tracks from argv, generate todo"

    if not cf['_tracks'] and not jack_playorder.order:
        todo = []
        for i in jack_ripstuff.all_tracks:
            if i[NUM] in datatracks:
                pass
            elif i[CH] == 2:
                todo.append(i)
            else:
                info("can't handle non audio track %i" % i[NUM])

    else:
        # example: "1,2,4-8,12-" ->  [ 1,2,4,5,6,7,8,12,13,...,n ]
        tlist = []
        if cf['_tracks']:
            tracks = string.split(cf['_tracks'], ",")
        else:
            tracks = string.split(jack_playorder.order, ",")
        for k in tracks:
            if string.find(k, '-') >= 0:
                k = string.split(k, '-')
                lower_limit = jack_misc.safe_int(k[0], "Track '%s' is not a number." % k[0])
                if k[1]:
                    upper_limit = jack_misc.safe_int(k[1], "Track '%s' is not a number." % k[1])
                else:
                    upper_limit = len(jack_ripstuff.all_tracks)
                for j in range(lower_limit, upper_limit + 1):
                    tlist.append(j)
            else:
                track = jack_misc.safe_int(k, "Track '%s' is not a number." % k)
                tlist.append(track)

        # uniq the track list
        tlist.sort()
        k = 0
        while k < len(tlist) - 1:
            if tlist[k] == tlist[k+1]:
                del tlist[k]
            else:
                k = k + 1

        # generate todo
        todo = []
        audiotracks = []
        for i in jack_ripstuff.all_tracks:
            if i[NUM] in datatracks:
                continue
            audiotracks.append(i[NUM])

        if audiotracks != range(1, audiotracks[-1] + 1):
            info("strange audio track layout " + `audiotracks`)
            continuous = 0
        else:
            continuous = 1
            
        for k in tlist:
            if continuous:
                if k < 1 or k > len(audiotracks):
                    warning('This CD has audio tracks 1-%d.  Ignoring request for track %d.' % (len(audiotracks), k))
                    continue
            else:
                if k < 1 or k > len(jack_ripstuff.all_tracks):
                    warning('This CD has tracks 1-%d.  Ignoring request for track %d.' % (len(jack_ripstuff.all_tracks), k))
                    continue
            if jack_ripstuff.all_tracks[k-1][CH] == 2:
                todo.append(jack_ripstuff.all_tracks[k-1])
            else:
                warning("can't handle non audio track %i" % k[NUM])

    for i in todo:
        jack_ripstuff.all_tracks_todo_sorted.append(i)

    return todo

def init_status():
    status = {}
    for i in jack_ripstuff.all_tracks:
        num = i[NUM]
        status[num] = {}
        status[num]['dae'] = []
        status[num]['enc'] = []
        status[num]['ren'] = []
        status[num]['names'] = [i[NAME],]
        status[num]['patch'] = []
        status[num]['off'] = []

    status['all'] = {}
    status['all']['mkdir'] = status['all']['names'] = [[],]
    status['all']['dae'] = []
    status['all']['enc'] = []
    status['all']['ren'] = []
    status['all']['patch'] = []
    status['all']['off'] = []
    status['all']['id3_genre'] = ["-1",]
    status['all']['id3_year'] = ["-1",]
    return status

def update_progress(status, todo):
    ext = jack_targets.targets[jack_helpers.helpers[cf['_encoder']]['target']]['file_extension']
    "update progress file at user's request (operation mode)"

    if cf['_upd_progress']:
        # users may still have a valid jack.freedb file lying around
        if not jack_freedb.names_available:
            err, jack_tag.track_names, jack_tag.locale_names, freedb_rename, revision = jack_freedb.interpret_db_file(jack_ripstuff.all_tracks, todo, cf['_freedb_form_file'], verb = 0, dirs = 1)

        for i in todo:
            num = i[NUM]
            if not status[num]['dae']:
                filename = jack_functions.check_file(num, i, ".wav")
                if filename:
                    status[num]['dae'] = "  *   [          simulated           ]"
                    jack_functions.progress(num, "dae", status[num]['dae'])
            if not status[num]['enc']:
                filename = jack_functions.check_file(num, i, ext)
                if filename:
                    if ext.upper() == ".MP3":
                        x = jack_mp3.mp3format(filename + ext)
                        temp_rate = x['bitrate']
                    elif ext.upper() == ".OGG" and ogg:
                        x = ogg.vorbis.VorbisFile(filename + ext)
                        temp_rate = int(x.raw_total(0) * 8 / x.time_total(0) / 1000 + 0.5)
                    elif ext.upper() == ".FLAC" and flac:
                        f = flac.FLAC(filename + ext)
                        size = os.path.getsize(filename + ext)
                        if f.info and size:
                            temp_rate = int(size * 8 * f.info.sample_rate / f.info.total_samples / 1000)
                        else:
                            temp_rate = 0
                    else:
                        error("don't know how to handle %s files." % ext)
                    status[num]['enc'] = `temp_rate` + cf['_progr_sep'] + "[simulated]"
                    jack_functions.progress(num, "enc", status[num]['enc'])

def read_progress(status, todo):
    "now read in the progress file"

    if os.path.exists(cf['_progress_file']):
        f = open(cf['_progress_file'], "r")
        while 1:
            buf = f.readline()
            if not buf:
                break

            # strip doesn't work here as we may have trailing spaces
            buf = string.replace(buf, "\n", "")

            # ignore empty lines
            if not buf:
                continue

            buf = string.split(buf, cf['_progr_sep'], 3)
            try:
                num = int(buf[0])
            except ValueError:
                num = buf[0]
            if buf[1] == 'undo':        # this needs special treatment as
                                        # the correct sequence is important

                status[num]['ren'].append(('Undo',))
            elif buf[1] == 'ren':
                status[num][buf[1]].append(buf[2:])
            else:
                status[num][buf[1]] = buf[2:]
        f.close()

    # names for 'all' can't be initialized earlier...
    status['all']['names'] = [status['all']['mkdir'][-1],]

                                        # extract names from renaming
    for i in status.keys():
        for j in status[i]['ren']:
            if j == ('Undo',):
                if len(status[i]['names']) > 1:
                    del status[i]['names'][-1]
                else:
                    error("more undos than renames, exit.")
            else:
                names = string.split(j[0], '-->', 1)
                if status[i]['names'][-1] == names[0]:
                    status[i]['names'].append(names[1])
            if type(i) == types.IntType:
                tracknum[i][NAME] = unicode(status[i]['names'][-1], "utf-8", "replace").encode(cf['_charset'], "replace")
        del status[i]['ren']

    # status info for the whole CD is treated separately
    jack_progress.status_all = status['all']

    del status['all']

    # now clean up a little
    for i in status.keys():
        if len(status[i]['dae']) > 1 or len(status[i]['enc']) > 2:
            error("malformed progress file")
            sys.exit()
        if len(status[i]['enc']) == 2:
            tracknum[i][RATE] = int(float(status[i]['enc'][0]) + 0.5)
            status[i]['enc'] = status[i]['enc'][1]
        elif status[i]['enc'] and len(status[i]['enc']) == 1:
            tracknum[i][RATE] = cf['_bitrate']
        if status[i]['dae'] and len(status[i]['dae']) == 1:
            status[i]['dae'] = status[i]['dae'][0]

        if status[i]['patch']:
            for j in status[i]['patch']:
                p_what, p_from, dummy, p_to = string.split(j)
                p_from = int(p_from)
                p_to = int(p_to)
                if tracknum[i][fields.index(p_what)] == p_from:
                    tracknum[i][fields.index(p_what)] = p_to
                else:
                    error("illegal patch %s. " % j, + "Track %02d: %s is %d" % (i, p_what, todo[jack_utils.has_track(todo, i)][fields.index(p_what)]))

        if status[i]['off']:
            if jack_utils.has_track(jack_ripstuff.all_tracks_todo_sorted, i) >= 0:
                del jack_ripstuff.all_tracks_todo_sorted[jack_utils.has_track(jack_ripstuff.all_tracks_todo_sorted, i)]

    # extract status from read progress data
    jack_status.extract(status)

    jack_freedb.dir_created = jack_progress.status_all['names'][-1]

    jack_progress.status_all['id3_genre'] = int(jack_progress.status_all['id3_genre'][-1])
    jack_progress.status_all['id3_year'] = int(jack_progress.status_all['id3_year'][-1])

    if cf['_id3_genre'] == -1:
        cf['_id3_genre'] = jack_progress.status_all['id3_genre']
    else:
        if cf['_id3_genre'] != jack_progress.status_all['id3_genre']:
            jack_functions.progress("all", "id3_genre", `cf['_id3_genre']`)

    jack_tag.genretxt = ""
    if cf['_id3_genre'] >= 0 and cf['_id3_genre'] < len(id3genres):
        jack_tag.genretxt = id3genres[cf['_id3_genre']]

    if cf['_id3_year'] == -1:
        cf['_id3_year'] = jack_progress.status_all['id3_year']
    else:
        if cf['_id3_year'] != jack_progress.status_all['id3_year']:
            jack_functions.progress("all", "id3_year", `cf['_id3_year']`)

    return status

def freedb_submit(cat = None):
    "submit freedb data on user's request"
    if not is_submittable:
        error("can't submit in current state, please fix jack.freedb")

    err, jack_tag.track_names, jack_tag.locale_names, cd_id, revision = jack_freedb.freedb_names(jack_freedb.freedb_id(jack_ripstuff.all_tracks), jack_ripstuff.all_tracks, jack_ripstuff.all_tracks, cf['_freedb_form_file'], verb = 1)
    if err:
        error("invalid freedb file")
    else:
        if cf['_freedb_mailsubmit']:
            jack_freedb.do_freedb_mailsubmit(cf['_freedb_form_file'], cd_id, cat)
        else:
            jack_freedb.do_freedb_submit(cf['_freedb_form_file'], cd_id, cat)

    ### (9) do query on start

def query_on_start(todo):
    info("querying...")
    if jack_freedb.freedb_query(jack_freedb.freedb_id(jack_ripstuff.all_tracks), jack_ripstuff.all_tracks, cf['_freedb_form_file']):
        if cf['_cont_failed_query']:
            
            x = raw_input("\nfreedb search failed, continue? (y/N) ") + "x"
            if not x or x[0].upper() != "Y":
                sys.exit(0)
            if not cf['_edit_freedb']:
                x = raw_input("\nDo you want to edit the freedb data?  (y/N) ") + "x"
                if x and x[0].upper() == "Y":
                    cf['_edit_freedb'] = 1
                else:
                    cf['_query_on_start'] = 0
        else:
            jack_display.exit()

    if cf['_edit_freedb']:
        file = cf['_freedb_form_file']
        bakfile = file + ".bak"
        if os.path.exists(file):
            try:
                shutil.copyfile(file, bakfile)
            except IOError:
                pass
        jack_utils.ex_edit(cf['_freedb_form_file'])
        if os.path.exists(bakfile):
            try:
                f = open(file, "r")
                b = open(bakfile, "r")
            except IOError:
                print "Could not open jack.freedb or jack.freedb.bak for comparison"
            else:
                pdiff = "".join(difflib.unified_diff(b.readlines(), f.readlines(), bakfile, file))
                f.close()
                b.close()
                if pdiff:
                    print
                    print "You made the following changes to the FreeDB file:"
                    print
                    print pdiff
                    x = raw_input("Would you like to submit these changes to the FreeDB server? (y/N) ")
                    if x and x[0].upper() == "Y":
                        jack_freedb.update_revision(file)
                        freedb_submit(jack_progress.status_all.get('freedb_cat', None))

    if cf['_query_on_start']:
        err, jack_tag.track_names, jack_tag.locale_names, freedb_rename, revision = jack_freedb.interpret_db_file(jack_ripstuff.all_tracks, todo, cf['_freedb_form_file'], verb = cf['_query_on_start'], dirs = 1)
        if err:
            error("query on start failed to give a good freedb file, aborting.")
    else:
        err, jack_tag.track_names, jack_tag.locale_names, freedb_rename, revision = jack_freedb.interpret_db_file(jack_ripstuff.all_tracks, todo, cf['_freedb_form_file'], verb = cf['_query_on_start'], warn = cf['_query_on_start'])
        # If the FreeDB query failed and the FreeDB data cannot be parsed,
        # don't tag the files.  However, if the FreeDB data can be parsed
        # even though the query failed assume that the query worked and
        # do the tagging (the user might have edited the file by hand).
        if cf['_cont_failed_query'] and err:
            cf['_set_id3tag'] = 0
        else:
            cf['_query_on_start'] = 1
    return freedb_rename

def undo_rename(status, todo):
    ext = jack_targets.targets[jack_helpers.helpers[cf['_encoder']]['target']]['file_extension']
    "undo renaming (operation mode)"
    maxnames = max(map(lambda x: len(x['names']), status.values()))
    if len(jack_progress.status_all['names']) >= maxnames:
        dir_too = 1
    else:
        dir_too = 0
    maxnames = max(maxnames, len(jack_progress.status_all['names']))
    if maxnames > 1:

        # undo dir renaming
        cwd = os.getcwd()
        if jack_freedb.dir_created and jack_utils.check_path(jack_freedb.dir_created, cwd) and dir_too:
            new_name, old_name = jack_progress.status_all['names'][-2:]
            jack_utils.rename_path(old_name, new_name)    # this changes cwd!
            info("cwd now " + os.getcwd())
            jack_functions.progress("all", "undo", "dir")

        else:
            maxnames = max(map(lambda x: len(x['names']), status.values()))

        # undo file renaming
        for i in todo:
            if maxnames < 2:
                break
            act_names = status[i[NUM]]['names']
            if len(act_names) == maxnames:
                for j in (ext, '.wav'):
                    new_name, old_name = act_names[-2:]
                    new_name, old_name = new_name + j, old_name + j
                    if not os.path.exists(old_name):
                        if j == ext:
                            print 'NOT renaming "' + old_name + '": it doesn\'t exist.'
                    else:
                        if os.path.exists(new_name):
                            print 'NOT renaming "' + old_name + '" to "' + new_name + '" because dest. exists.'
                        else:
                            jack_functions.progress(i[NUM], "undo", "-")
                            os.rename(old_name, new_name)
    else:
        info("nothing to do.")

def what_todo(space, todo):
    #### check what is already there
    wavs_todo = []
    mp3s_todo = []
    remove_q  = []
    ext = jack_targets.targets[jack_helpers.helpers[cf['_encoder']]['target']]['file_extension']

    for track in todo:
        wavs_todo.append(track)
        mp3s_todo.append(track)

    jack_encstuff.mp3s_ready = []
    for track in todo:
        mp3 = track[NAME] + ext
        if os.path.exists(mp3):
            if cf['_overwrite']:
                space = space + jack_utils.filesize(mp3)
                remove_q.append(mp3)
                jack_status.enc_status[track[NUM]] = "will o/w file."
            elif not cf['_force'] and not jack_status.enc_status[track[NUM]]:
                space = space + jack_utils.filesize(mp3)
                remove_q.append(mp3)
                jack_status.enc_status[track[NUM]] = "no encoder run."
            # with vbr encoded files can't legally be too small
            # but to reduce confusion, the check is then removed:
            elif not cf['_vbr'] and jack_utils.filesize(mp3) <= jack_functions.tracksize(track)[ENC] * 0.99: # found by trial'n'err
                space = space + jack_utils.filesize(mp3)
                remove_q.append(mp3)
                jack_status.enc_status[track[NUM]] = "encoded file too small by " + jack_functions.pprint_i(jack_functions.tracksize(track)[ENC] - jack_utils.filesize(mp3)) + "."
            elif not cf['_vbr'] and jack_utils.filesize(mp3) >= jack_functions.tracksize(track)[ENC] * 1.05: # found by trial'n'err
                space = space + jack_utils.filesize(mp3)
                remove_q.append(mp3)
                jack_status.enc_status[track[NUM]] = "enc. file too large by " + jack_functions.pprint_i(jack_utils.filesize(mp3) - jack_functions.tracksize(track)[ENC]) + "."
            else:
                mp3s_todo.remove(track)
                jack_encstuff.mp3s_ready.append(track)
        else:
            if jack_status.enc_status[track[NUM]]:
                jack_status.enc_status[track[NUM]] = "[file lost-doing again]"

    jack_ripstuff.wavs_ready = []
    for track in todo:
        wav = track[NAME] + ".wav"
        if os.path.exists(wav):
            if cf['_overwrite']:
                space = space + jack_utils.filesize(wav)
                remove_q.append(wav)
                jack_status.dae_status[track[NUM]] = "Existing WAV will be overwritten."
            elif jack_utils.filesize(wav) == jack_functions.tracksize(track)[WAV] and jack_status.dae_status[track[NUM]]:
                wavs_todo.remove(track)
                jack_ripstuff.wavs_ready.append(track)
            elif jack_utils.filesize(wav) == jack_functions.tracksize(track)[WAV]:
                space = space + jack_utils.filesize(wav)
                remove_q.append(wav)
                jack_status.dae_status[track[NUM]] =     " ---- [Existing WAV not done by jack.]"
                if jack_status.enc_status[track[NUM]] == "[file lost-doing again]":
                    jack_status.enc_status[track[NUM]] = ""
            else:
                space = space + jack_utils.filesize(wav)
                remove_q.append(wav)
                jack_status.dae_status[track[NUM]] =     " ---- [Existing WAV was not complete.]"
                if jack_status.enc_status[track[NUM]] == "[file lost-doing again]":
                    jack_status.enc_status[track[NUM]] = ""
        else:
            if jack_status.dae_status[track[NUM]]:
                if jack_status.enc_status[track[NUM]] == "[file lost-doing again]":
                    jack_status.dae_status[track[NUM]] = " ---- [    both lost, doing again    ]"
                    jack_status.enc_status[track[NUM]] = ""
                elif cf['_keep_wavs'] or track not in jack_encstuff.mp3s_ready:
                    jack_status.dae_status[track[NUM]] = " ---- [ WAV lost, doing again        ]"

    if cf['_only_dae']:
        cf['_keep_wavs'] = 1

    if not cf['_keep_wavs']:
        for track in todo:
            if track in jack_encstuff.mp3s_ready and track in wavs_todo:
                wavs_todo.remove(track)

    if cf['_reorder']:
        mp3s_todo.sort(jack_utils.cmp_toc)

    dae_queue = []                  # This stores the tracks to rip
    enc_queue = []                  # WAVs go here to get some codin'

    for track in wavs_todo:
        dae_queue.append(track)     # copy track to dae + code in queue
        if track in mp3s_todo:
            mp3s_todo.remove(track) # remove mp3s which are not there yet

    if cf['_only_dae']:             # if only_dae nothing is encoded _at_all_.
        mp3s_todo = []

    # overwrite cached bitrates with those from argv
    if cf['bitrate']['history'][-1][0] == "argv":
        for i in wavs_todo:
            i[RATE] = cf['_bitrate']
        for i in mp3s_todo:
            i[RATE] = cf['_bitrate']

    return space, remove_q, wavs_todo, mp3s_todo, dae_queue, enc_queue
#
#
#

def print_todo(todo, wavs_todo, mp3s_todo):
    "print what needs to be done"
    for i in jack_ripstuff.all_tracks:
        print "%02i" % i[NUM],
        if jack_utils.has_track(todo, i[NUM]) >= 0:
            print "*",
        else:
            print "-",
        if i in wavs_todo:
            print ":DAE:",
            # FIXME!
            if jack_status.dae_status[i[NUM]] != "[simulated]": print jack_status.dae_status[i[NUM]],
            if not cf['_only_dae']:
                print ":ENC:",
                if jack_status.enc_status[i[NUM]] != "[simulated]": print jack_status.enc_status[i[NUM]],
        if i in mp3s_todo:
            print ":ENC:",
            if jack_status.enc_status[i[NUM]] != "[simulated]": print jack_status.enc_status[i[NUM]],
        print

# overwrite cached bitrates from argv
if cf['bitrate']['history'][-1][0] == "argv":
    for i in wavs_todo:
        i[RATE] = cf['_bitrate']
    for i in mp3s_todo:
        i[RATE] = cf['_bitrate']

def check_space(space, wavs_todo, mp3s_todo):
    # check free space
    will_work = 1
    freeable_space = 0
    if cf['_keep_wavs']:
        space_needed = jack_functions.tracksize(wavs_todo)[BOTH]
    elif cf['_otf']:
        space_needed = jack_functions.tracksize(wavs_todo)[ENC]
    else:
        space_needed = jack_functions.tracksize(wavs_todo)[PEAK]
    if cf['_only_dae']:
        space_needed = jack_functions.tracksize(wavs_todo)[WAV]
    else:
        for i in mp3s_todo:
            if space + freeable_space>jack_functions.tracksize(i)[ENC]:
                if not cf['_keep_wavs']:
                    freeable_space = freeable_space + jack_functions.tracksize(i)[WAV] - jack_functions.tracksize(i)[ENC]
            else:
                will_work = 0
                # this is quite dirty
                space_needed = jack_functions.tracksize(i)[ENC] - space + freeable_space
                break

    if (space + freeable_space < space_needed or not will_work) and not cf['_dont_work']:
        error(("insufficient disk space (%sBytes needed), " + "try reorder or " * (not cf['_reorder']) + "free %sBytes.") % (jack_functions.pprint_i(space_needed - freeable_space, "%i %s"), jack_functions.pprint_i(space_needed - freeable_space - jack_ripstuff.raw_space, "%i %s")))


def check_cd():
    if cf['_rip_from_device']:
        all_tracks_on_cd = jack_functions.gettoc(cf['_toc_prog'])
        if not cf['_force'] and not jack_utils.cmp_toc_cd(jack_ripstuff.all_tracks_orig, all_tracks_on_cd, what=(NUM, LEN)):
            error("you did not insert the right cd")

def remove_files(remove_q):
    if cf['_silent_mode'] or cf['_dont_work']:
        print "remove these files before going on:"
        for i in remove_q:
            print i
        print "### . ###"

        if cf['_silent_mode']:
            sys.exit(3)

    else:
        print "/\\" * 40
        for i in remove_q:
            print i
        x = raw_input("These files will be deleted, continue? (y/N) ") + "x"
        if cf['_force']:
            info("(forced)")
        else:
            if not x or x[0].upper() != "Y":
                sys.exit(0)

        for i in remove_q:
            os.remove(i)