2 ### -*- mode: python; coding: utf-8 -*-
4 from contextlib import contextmanager
10 import subprocess as SP
13 class ExpectedError (Exception): pass
22 def filter(value, func = None, dflt = None):
23 if value is None: return dflt
24 elif func is None: return value
25 else: return func(value)
28 if not cond: raise ExpectedError(msg)
30 def lookup(dict, key, msg):
32 except KeyError: raise ExpectedError(msg)
34 def forget(dict, key):
39 if not s.isdigit(): raise ExpectedError("bad integer `%s'" % s)
43 if s == "t": return True
44 elif s == "nil": return False
45 else: raise ExpectedError("bad boolean `%s'" % s)
50 me._i, me._n = 0, len(s)
52 s, i, n = me._s, me._i, me._n
54 if not s[i].isspace(): return i
59 begin = i = me._wordstart()
60 if begin < 0: return None
61 while i < n and not s[i].isspace(): i += 1
66 begin = me._wordstart()
67 if begin < 0: return None
68 else: return s[begin:].rstrip()
70 def program_output(*args, **kw):
71 try: return SP.check_output(*args, **kw)
72 except SP.CalledProcessError as e:
73 raise ExpectedError("program `%s' failed with code %d" %
74 (e.cmd, e.returncode))
76 URL_SAFE_P = 256*[False]
78 b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
79 b"abcdefghijklmnopqrstuvwxyz" \
80 b"0123456789" b"!$%-.,/":
83 return "".join((URL_SAFE_P[ch] and chr(ch) or "%%%02x" % ch
84 for ch in s.encode("UTF-8")))
86 PROG = OS.path.basename(SYS.argv[0])
88 class BaseLocation (object):
90 SYS.stderr.write("%s: %s%s\n" % (PROG, me._loc(), exc))
92 class DummyLocation (BaseLocation):
93 def _loc(me): return ""
95 class FileLocation (BaseLocation):
96 def __init__(me, fn, lno = 1): me._fn, me._lno = fn, lno
97 def _loc(me): return "%s:%d: " % (me._fn, me._lno)
98 def stepline(me): me._lno += 1
100 LOC = DummyLocation()
102 ROOT = "/mnt/dvd/archive/"
108 DB.cursor().execute("PRAGMA journal_mode = WAL")
113 if e.errno == E.ENOENT: pass
116 DB.cursor().execute("""
117 CREATE TABLE duration
119 title INTEGER NOT NULL,
120 start_chapter INTEGER NOT NULL,
121 end_chapter INTEGER NOT NULL,
122 inode INTEGER NOT NULL,
123 device INTEGER NOT NULL,
124 size INTEGER NOT NULL,
126 duration REAL NOT NULL,
127 PRIMARY KEY (path, title, start_chapter, end_chapter));
130 class Source (object):
132 TITLEP = CHAPTERP = False
133 def __init__(me, fn):
136 me.used_titles = dict()
137 me.used_chapters = set()
139 def _duration(me, title, start_chapter, end_chapter):
141 def url_and_duration(me, title = None,
142 start_chapter = None, end_chapter = None):
144 if me.TITLEP: raise ExpectedError("missing title number")
145 if start_chapter is not None or end_chapter is not None:
146 raise ExpectedError("can't specify chapter without title")
149 raise ExpectedError("can't specify title with `%s'" % me.fn)
150 elif start_chapter is None:
151 if end_chapter is not None:
152 raise ExpectedError("can't specify end chapter without start chapter")
153 suffix = "#%d" % title
154 elif not me.CHAPTERP:
155 raise ExpectedError("can't specify chapter with `%s'" % me.fn)
156 elif end_chapter is None:
157 suffix = "#%d:%d" % (title, start_chapter)
159 suffix = "#%d:%d-%d:%d" % (title, start_chapter, title, end_chapter - 1)
163 duration = me._duration(title, start_chapter, end_chapter)
165 st = OS.stat(OS.path.join(ROOT, me.fn))
169 SELECT device, inode, size, mtime, duration FROM duration
170 WHERE path = ? AND title = ? AND
171 start_chapter = ? AND end_chapter = ?
172 """, [me.fn, title, start_chapter is None and -1 or start_chapter,
173 end_chapter is None and -1 or end_chapter])
177 duration = me._duration(title, start_chapter, end_chapter)
179 INSERT OR REPLACE INTO duration
180 (path, title, start_chapter, end_chapter,
181 device, inode, size, mtime, duration)
182 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
183 """, [me.fn, title, start_chapter is None and -1 or start_chapter,
184 end_chapter is None and -1 or end_chapter,
185 st.st_dev, st.st_ino, st.st_size, st.st_mtime,
188 dev, ino, sz, mt, d = row
189 if (dev, ino, sz, mt) == \
190 (st.st_dev, st.st_ino, st.st_size, st.st_mtime):
193 duration = me._duration(title, start_chapter, end_chapter)
196 SET device = ?, inode = ?, size = ?, mtime = ?, duration = ?
197 WHERE path = ? AND title = ? AND
198 start_chapter = ? AND end_chapter = ?
199 """, [st.st_dev, st.st_dev, st.st_size, st.st_mtime, duration,
200 me.fn, title, start_chapter is None and -1 or start_chapter,
201 end_chapter is None and -1 or end_chapter])
204 if end_chapter is not None:
205 keys = [(title, ch) for ch in range(start_chapter, end_chapter)]
206 set = me.used_chapters
208 keys, set = [title], me.used_titles
212 raise ExpectedError("`%s' already used" % me.fn)
213 elif end_chapter is None:
214 raise ExpectedError("`%s' title %d already used" % (me.fn, title))
216 raise ExpectedError("`%s' title %d chapter %d already used" %
217 (me.fn, title, k[1]))
218 if end_chapter is not None:
219 for ch in range(start_chapter, end_chapter):
220 me.used_chapters.add((title, ch))
221 return me.PREFIX + ROOT + urlencode(me.fn) + suffix, duration
223 class VideoDisc (Source):
225 TITLEP = CHAPTERP = True
227 def __init__(me, fn, *args, **kw):
228 super().__init__(fn, *args, **kw)
231 def _duration(me, title, start_chapter, end_chapter):
232 path = OS.path.join(ROOT, me.fn)
233 ntitle = int(program_output(["dvd-info", path, "titles"]))
234 if not 1 <= title <= ntitle:
235 raise ExpectedError("bad title %d for `%s': must be in 1 .. %d" %
236 (title, me.fn, ntitle))
237 if start_chapter is None:
238 durq = "duration:%d" % title
240 nch = int(program_output(["dvd-info", path, "chapters:%d" % title]))
241 if end_chapter is None: end_chapter = nch
242 else: end_chapter -= 1
243 if not 1 <= start_chapter <= end_chapter <= nch:
244 raise ExpectedError("bad chapter range %d .. %d for `%s' title %d: "
245 "must be in 1 .. %d" %
246 (start_chapter, end_chapter, me.fn, title, nch))
247 durq = "duration:%d.%d-%d" % (title, start_chapter, end_chapter)
248 duration = int(program_output(["dvd-info", path, durq]))
251 class VideoSeason (object):
252 def __init__(me, i, title):
256 def set_episode_disc(me, i, disc):
258 raise ExpectedError("season %d episode %d already taken" % (me.i, i))
259 me.episodes[i] = disc; disc.neps += 1
261 def match_group(m, *groups, dflt = None, mustp = False):
264 except IndexError: continue
265 if s is not None: return s
266 if mustp: raise ValueError("no match found")
269 class VideoDir (object):
271 _R_ISO_PRE = list(map(lambda pats:
273 RX.compile("^" + pat + r"\.iso$", RX.X),
275 [[r""" S (?P<si> \d+) \. \ (?P<stitle> .*) — (?: D \d+ \. \ )?
277 r""" S (?P<si> \d+) (?: D \d+)? \. \ (?P<epex> .*) """,
278 r""" S (?P<si> \d+) \. \ (?P<epex> E \d+ .*) """,
279 r""" S (?P<si> \d+) (?P<epex> E \d+) \. \ .* """],
280 [r""" (?P<si> \d+) [A-Z]? \. \ (?P<stitle> .*) — (?P<epex> .*) """],
281 [r""" \d+ \. \ (?P<epex> [ES] \d+ .*) """],
282 [r""" (?P<epnum> \d+ ) \. \ .* """]]))
284 _R_ISO_EP = RX.compile(r""" ^
285 (?: S (?P<si> \d+) \ )?
286 E (?P<ei> \d+) (?: – (?P<ej> \d+))? $
289 def __init__(me, dir):
291 fns = OS.listdir(OS.path.join(ROOT, dir))
295 styles = me._R_ISO_PRE
297 path = OS.path.join(dir, fn)
298 if not fn.endswith(".iso"): continue
299 #print(";; `%s'" % path, file = SYS.stderr)
303 if m: styles = [sty]; break
308 #print(";;\tignored (regex mismatch)", file = SYS.stderr)
311 si = filter(match_group(m, "si"), int)
312 stitle = match_group(m, "stitle")
314 check(si is not None or stitle is None,
315 "explicit season title without number in `%s'" % fn)
317 if season is None or si != season.i:
318 check(season is None or si == season.i + 1,
320 (si, season is None and -1 or season.i + 1))
321 check(si not in seasons, "season %d already seen" % si)
322 seasons[si] = season = VideoSeason(si, stitle)
324 check(stitle == season.title,
325 "season title `%s' /= `%s'" % (stitle, season.title))
327 disc = VideoDisc(path)
329 any, bad = False, False
330 epnum = match_group(m, "epnum")
331 if epnum is not None: eplist = ["E" + epnum]
332 else: eplist = match_group(m, "epex", mustp = True).split(", ")
333 for eprange in eplist:
334 mm = me._R_ISO_EP.match(eprange)
336 #print(";;\t`%s'?" % eprange, file = SYS.stderr)
338 if not any: any = True
339 i = filter(mm.group("si"), int)
342 except KeyError: ts = seasons[i] = VideoSeason(i, None)
344 ts = season = seasons[1] = VideoSeason(1, None)
345 start = filter(mm.group("ei"), int)
346 end = filter(mm.group("ej"), int, start)
347 for k in range(start, end + 1):
348 ts.set_episode_disc(k, disc)
349 #print(";;\tepisode %d.%d" % (ts.i, k), file = SYS.stderr)
351 #print(";;\tignored", file = SYS.stderr)
354 raise ExpectedError("bad ep list in `%s'", fn)
357 class AudioDisc (Source):
359 TITLEP = CHAPTERP = False
361 def _duration(me, title, start_chapter, end_chaptwr):
362 out = program_output(["metaflac",
363 "--show-total-samples", "--show-sample-rate",
364 OS.path.join(ROOT, me.fn)])
365 nsamples, hz = map(float, out.split())
366 return int(nsamples/hz)
368 class AudioEpisode (AudioDisc):
369 def __init__(me, fn, i, *args, **kw):
370 super().__init__(fn, *args, **kw)
373 class AudioDir (object):
375 _R_FLAC = RX.compile(r""" ^
381 def __init__(me, dir):
383 fns = OS.listdir(OS.path.join(ROOT, dir))
388 path = OS.path.join(dir, fn)
389 if not fn.endswith(".flac"): continue
390 m = me._R_FLAC.match(fn)
392 i = filter(m.group(1), int)
394 check(i == last_i + 1, "episode %d /= %d" % (i, last_i + 1))
395 episodes[i] = AudioEpisode(path, i)
397 me.episodes = episodes
399 class Chapter (object):
400 def __init__(me, episode, title, i):
401 me.title, me.i = title, i
402 me.url, me.duration = \
403 episode.source.url_and_duration(episode.tno, i, i + 1)
405 class Episode (object):
406 def __init__(me, season, i, neps, title, src, series_title_p = True,
407 tno = None, startch = None, endch = None):
409 me.i, me.neps, me.title = i, neps, title
411 me.source, me.tno = src, tno
412 me.series_title_p = series_title_p
413 me.url, me.duration = src.url_and_duration(tno, startch, endch)
414 def add_chapter(me, title, j):
415 ch = Chapter(me, title, j)
416 me.chapters.append(ch)
419 return me.season._eplabel(me.i, me.neps, me.title)
421 class BaseSeason (object):
422 def __init__(me, series, implicitp = False):
425 me.implicitp = implicitp
426 me.ep_i, episodes = 1, []
427 def add_episode(me, j, neps, title, src, series_title_p,
428 tno, startch, endch):
429 ep = Episode(me, j, neps, title, src, series_title_p,
431 me.episodes.append(ep)
432 src.nuses += neps; me.ep_i += neps
434 def _epnames(me, i, neps):
435 playlist = me.series.playlist
436 if neps == 1: return playlist.epname, ["%d" % i]
437 elif neps == 2: return playlist.epnames, ["%d" % i, "%d" % (i + 1)]
438 else: return playlist.epnames, ["%d–%d" % (i, i + neps - 1)]
440 class Season (BaseSeason):
441 def __init__(me, series, title, i, *args, **kw):
442 super().__init__(series, *args, **kw)
443 me.title, me.i = title, i
444 def _eplabel(me, i, neps, title):
445 epname, epn = me._epnames(i, neps)
448 label = "%s %s" % (epname, ", ".join(epn))
449 elif me.title is None:
451 (epname, ", ".join("%d.%s" % (me.i, e) for e in epn))
453 label = "%s: %s %s" % (me.title, epname, ", ".join(epn))
456 label = "%s. %s" % (", ".join(epn), title)
457 elif me.title is None:
459 (", ".join("%d.%s" % (me.i, e) for e in epn), title)
461 label = "%s: %s. %s" % (me.title, ", ".join(epn), title)
464 class MovieSeason (BaseSeason):
465 def __init__(me, series, title, *args, **kw):
466 super().__init__(series, *args, **kw)
469 def add_episode(me, j, neps, title, src, series_title_p,
470 tno, startch, endch):
471 if me.title is None and title is None:
472 raise ExpectedError("movie or movie season must have a title")
473 return super().add_episode(j, neps, title, src, series_title_p,
475 def _eplabel(me, i, neps, title):
479 epname, epn = me._epnames(i, neps)
480 label = "%s: %s %s" % (me.title, epname, ", ".join(epn))
482 label = "%s: %s" % (me.title, title)
485 class Series (object):
486 def __init__(me, playlist, name, title = None, wantedp = True):
487 me.playlist = playlist
488 me.name, me.title = name, title
491 def _add_season(me, season):
492 me.cur_season = season
493 def add_season(me, title, i, implicitp = False):
494 me._add_season(Season(me, title, i, implicitp))
495 def add_movies(me, title = None):
496 me._add_season(MovieSeason(me, title))
497 def ensure_season(me):
498 if me.cur_season is None: me.add_season(None, 1, implicitp = True)
503 class Playlist (object):
507 me.epname, me.epnames = "Episode", "Episodes"
509 def add_episode(me, episode):
510 me.episodes.append(episode)
513 me.seasons.append(me.episodes)
517 for season in me.seasons:
521 if me.nseries > 1 and ep.series_title_p and \
522 ep.season.series.title is not None:
523 if ep.season.i is None: sep = ": "
525 label = ep.season.series.title + sep + label
527 f.write("#EXTINF:%d,,%s\n%s\n" % (ep.duration, label, ep.url))
529 for ch in ep.chapters:
530 f.write("#EXTINF:%d,,%s: %s\n%s\n" %
531 (ch.duration, label, ch.title, ch.url))
533 DEFAULT_EXPVAR = 0.05
534 R_DURMULT = RX.compile(r""" ^
537 R_DUR = RX.compile(r""" ^
538 (?: (?: (\d+) :)? (\d+) :)? (\d+)
539 (?: / (\d+ (?: \. \d+)?) \%)?
541 def parse_duration(s, base = None, basevar = DEFAULT_EXPVAR):
543 m = R_DURMULT.match(s)
544 if m is not None: return base*float(m.group(1)), basevar
546 if not m: raise ExpectedError("invalid duration spec `%s'" % s)
547 hr, min, sec = map(lambda g: filter(m.group(g), int, 0), [1, 2, 3])
548 var = filter(m.group(4), lambda x: float(x)/100.0)
549 if var is None: var = DEFAULT_EXPVAR
550 return 3600*hr + 60*min + sec, var
551 def format_duration(d):
552 if d >= 3600: return "%d:%02d:%02d" % (d//3600, (d//60)%60, d%60)
553 elif d >= 60: return "%d:%02d" % (d//60, d%60)
554 else: return "%d s" % d
560 class EpisodeListParser (object):
562 def __init__(me, series_wanted = None, chapters_wanted_p = False):
564 me._cur_episode = me._cur_chapter = None
565 me._series = {}; me._vdirs = {}; me._audirs = {}; me._isos = {}
566 me._series_wanted = series_wanted
567 me._chaptersp = chapters_wanted_p
568 me._explen, me._expvar = None, DEFAULT_EXPVAR
569 if series_wanted is None: me._mode = MODE_UNSET
570 else: me._mode = MODE_MULTI
572 def _bad_keyval(me, cmd, k, v):
573 raise ExpectedError("invalid `!%s' option `%s'" %
574 (cmd, v if k is None else k))
576 def _keyvals(me, opts):
578 for kv in opts.split(","):
579 try: sep = kv.index("=")
580 except ValueError: yield None, kv
581 else: yield kv[:sep], kv[sep + 1:]
583 def _set_mode(me, mode):
584 if me._mode == MODE_UNSET:
586 elif me._mode != mode:
587 raise ExpectedError("inconsistent single-/multi-series usage")
589 def _get_series(me, name):
591 me._set_mode(MODE_SINGLE)
592 try: series = me._series[None]
594 series = me._series[None] = Series(me._pl, None)
597 me._set_mode(MODE_MULTI)
598 series = lookup(me._series, name, "unknown series `%s'" % name)
601 def _opts_series(me, cmd, opts):
603 for k, v in me._keyvals(opts):
604 if k is None: name = v
605 else: me._bad_keyval(cmd, k, v)
606 return me._get_series(name)
608 def _auto_epsrc(me, series):
609 dir = lookup(me._vdirs, series.name, "no active video directory")
610 season = series.ensure_season()
611 check(season.i is not None, "must use explicit iso for movie seasons")
612 vseason = lookup(dir.seasons, season.i,
613 "season %d not found in video dir `%s'" %
615 src = lookup(vseason.episodes, season.ep_i,
616 "episode %d.%d not found in video dir `%s'" %
617 (season.i, season.ep_i, dir.dir))
620 def _process_cmd(me, ww):
622 cmd = ww.nextword(); check(cmd is not None, "missing command")
623 try: sep = cmd.index(":")
624 except ValueError: opts = None
625 else: cmd, opts = cmd[:sep], cmd[sep + 1:]
629 for k, v in me._keyvals(opts):
630 if k is None: name = v
631 else: me._bad_keyval(cmd, k, v)
632 check(name is not None, "missing series name")
633 check(name not in me._series, "series `%s' already defined" % name)
635 me._set_mode(MODE_MULTI)
636 me._series[name] = series = Series(me._pl, name, title,
637 me._series_wanted is None or
638 name in me._series_wanted)
639 if series.wantedp: me._pl.nseries += 1
641 elif cmd == "season":
642 series = me._opts_series(cmd, opts)
644 check(w is not None, "missing season number")
646 if not series.wantedp: return
647 series.add_movies(ww.rest())
649 title = ww.rest(); i = getint(w)
650 if not series.wantedp: return
651 series.add_season(ww.rest(), getint(w), implicitp = False)
652 me._cur_episode = me._cur_chapter = None
655 elif cmd == "explen":
656 w = ww.rest(); check(w is not None, "missing duration spec")
658 me._explen, me._expvar = None, DEFAULT_EXPVAR
660 d, v = parse_duration(w)
662 if v is not None: me._expvar = v
664 elif cmd == "epname":
665 for k, v in me._keyvals(opts): me._bad_keyval("epname", k, v)
666 name = ww.rest(); check(name is not None, "missing episode name")
667 try: sep = name.index("::")
668 except ValueError: names = name + "s"
669 else: name, names = name[:sep], name[sep + 1:]
670 me._pl.epname, me._pl.epnames = name, names
673 series = me._opts_series(cmd, opts)
674 w = ww.rest(); check(w is not None, "missing episode number")
676 if not series.wantedp: return
677 series.ensure_season().ep_i = epi
680 series = me._opts_series(cmd, opts)
681 fn = ww.rest(); check(fn is not None, "missing filename")
682 if not series.wantedp: return
683 if fn == "-": forget(me._isos, series.name)
685 check(OS.path.exists(OS.path.join(ROOT, fn)),
686 "iso file `%s' not found" % fn)
687 me._isos[series.name] = VideoDisc(fn)
690 series = me._opts_series(cmd, opts)
691 dir = ww.rest(); check(dir is not None, "missing directory")
692 if not series.wantedp: return
693 if dir == "-": forget(me._vdirs, series.name)
694 else: me._vdirs[series.name] = VideoDir(dir)
697 series = me._opts_series(cmd, opts)
698 dir = ww.rest(); check(dir is not None, "missing directory")
699 if not series.wantedp: return
700 if dir == "-": forget(me._audirs, series.name)
701 else: me._audirs[series.name] = AudioDir(dir)
703 elif cmd == "displaced":
704 series = me._opts_series(cmd, opts)
705 w = ww.rest(); check(w is not None, "missing count"); n = getint(w)
706 src = me._auto_epsrc(series)
710 raise ExpectedError("unknown command `%s'" % cmd)
712 def _process_episode(me, ww):
714 opts = ww.nextword(); check(opts is not None, "missing title/options")
715 ti = None; sname = None; neps = 1; epi = None; loch = hich = None
716 explen, expvar, explicitlen = me._explen, me._expvar, False
717 series_title_p = True
718 for k, v in me._keyvals(opts):
720 if v.isdigit(): ti = int(v)
721 elif v == "-": ti = "-"
723 elif k == "s": sname = v
724 elif k == "n": neps = getint(v)
725 elif k == "ep": epi = getint(v)
726 elif k == "st": series_title_p = getbool(v)
728 if v == "-": me._explen, me._expvar = None, DEFAULT_EXPVAR
730 explen, expvar = parse_duration(v, explen, expvar)
733 try: sep = v.index("-")
734 except ValueError: loch, hich = getint(v), None
735 else: loch, hich = getint(v[:sep]), getint(v[sep + 1:]) + 1
736 else: raise ExpectedError("unknown episode option `%s'" % k)
737 check(ti is not None, "missing title number")
738 series = me._get_series(sname)
739 me._cur_chapter = None
742 if not series.wantedp: return
743 season = series.ensure_season()
744 if epi is None: epi = season.ep_i
747 check(season.implicitp, "audio source, but explicit season")
748 dir = lookup(me._audirs, series.name,
749 "no title, and no audio directory")
750 src = lookup(dir.episodes, season.ep_i,
751 "episode %d not found in audio dir `%s'" % (epi, dir.dir))
754 try: src = me._isos[series.name]
755 except KeyError: src = me._auto_epsrc(series)
757 episode = season.add_episode(epi, neps, title, src,
758 series_title_p, ti, loch, hich)
760 if episode.duration != -1 and explen is not None:
761 if not explicitlen: explen *= neps
762 if not explen*(1 - expvar) <= episode.duration <= explen*(1 + expvar):
763 if season.i is None: epid = "episode %d" % epi
764 else: epid = "episode %d.%d" % (season.i, epi)
765 raise ExpectedError \
766 ("%s duration %s %g%% > %g%% from expected %s" %
767 (epid, format_duration(episode.duration),
768 abs(100*(episode.duration - explen)/explen), 100*expvar,
769 format_duration(explen)))
770 me._pl.add_episode(episode)
771 me._cur_episode = episode
773 def _process_chapter(me, ww):
774 check(me._cur_episode is not None, "no current episode")
775 check(me._cur_episode.source.CHAPTERP,
776 "episode source doesn't allow chapters")
778 if me._cur_chapter is None: i = 1
779 else: i = me._cur_chapter.i + 1
780 me._cur_chapter = me._cur_episode.add_chapter(ww.rest(), i)
782 def parse_file(me, fn):
783 with location(FileLocation(fn, 0)) as floc:
784 with open(fn, "r") as f:
787 sline = line.lstrip()
788 if sline == "" or sline.startswith(";"): continue
790 if line.startswith("!"): me._process_cmd(Words(line[1:]))
791 elif not line[0].isspace(): me._process_episode(Words(line))
792 else: me._process_chapter(Words(line))
797 for name, vdir in me._vdirs.items():
798 if not me._series[name].wantedp: continue
799 for s in vdir.seasons.values():
800 for d in s.episodes.values():
802 for adir in me._audirs.values():
803 for d in adir.episodes.values():
805 for d in sorted(discs, key = lambda d: d.fn):
806 if d.neps is not None and d.neps != d.nuses:
807 raise ExpectedError("disc `%s' has %d episodes, used %d times" %
808 (d.fn, d.neps, d.nuses))
811 op = OP.OptionParser \
812 (usage = "%prog [-c] [-d CACHE] [-s SERIES] EPLS\n"
814 description = "Generate M3U playlists from an episode list.")
815 op.add_option("-c", "--chapters",
816 dest = "chaptersp", action = "store_true", default = False,
817 help = "Output individual chapter names")
818 op.add_option("-i", "--init-db",
819 dest = "initdbp", action = "store_true", default = False,
820 help = "Initialize the database")
821 op.add_option("-d", "--database",
822 dest = "database", type = "str", default = None,
823 help = "Set filename for cache database")
824 op.add_option("-s", "--series",
825 dest = "series", type = "str", default = None,
826 help = "Output only the listed SERIES (comma-separated)")
828 opts, argv = op.parse_args()
830 if opts.chaptersp or opts.series is not None or \
831 opts.database is None or len(argv):
832 op.print_usage(file = SYS.stderr); SYS.exit(2)
833 setup_db(opts.database)
835 if len(argv) != 1: op.print_usage(file = SYS.stderr); SYS.exit(2)
836 if opts.database is not None: init_db(opts.database)
837 if opts.series is None:
840 series_wanted = set()
841 for name in opts.series.split(","): series_wanted.add(name)
842 ep = EpisodeListParser(series_wanted, opts.chaptersp)
843 ep.parse_file(argv[0])
846 except (ExpectedError, IOError, OSError) as e: