mdw@git.distorted.org.uk Git - epls/blob - mkm3u

   1 #! /usr/bin/python3
   2 ### -*- mode: python; coding: utf-8 -*-
   3
   4 from contextlib import contextmanager
   5 import optparse as OP
   6 import os as OS
   7 import re as RX
   8 import sys as SYS
   9
  10 class ExpectedError (Exception): pass
  11
  12 @contextmanager
  13 def location(loc):
  14   global LOC
  15   old, LOC = LOC, loc
  16   yield loc
  17   LOC = old
  18
  19 def filter(value, func = None, dflt = None):
  20   if value is None: return dflt
  21   elif func is None: return value
  22   else: return func(value)
  23
  24 def check(cond, msg):
  25   if not cond: raise ExpectedError(msg)
  26
  27 def lookup(dict, key, msg):
  28   try: return dict[key]
  29   except KeyError: raise ExpectedError(msg)
  30
  31 def forget(dict, key):
  32   try: del dict[key]
  33   except KeyError: pass
  34
  35 def getint(s):
  36   if not s.isdigit(): raise ExpectedError("bad integer `%s'" % s)
  37   return int(s)
  38
  39 class Words (object):
  40   def __init__(me, s):
  41     me._s = s
  42     me._i, me._n = 0, len(s)
  43   def _wordstart(me):
  44     s, i, n = me._s, me._i, me._n
  45     while i < n:
  46       if not s[i].isspace(): return i
  47       i += 1
  48     return -1
  49   def nextword(me):
  50     s, n = me._s, me._n
  51     begin = i = me._wordstart()
  52     if begin < 0: return None
  53     while i < n and not s[i].isspace(): i += 1
  54     me._i = i
  55     return s[begin:i]
  56   def rest(me):
  57     s, n = me._s, me._n
  58     begin = me._wordstart()
  59     if begin < 0: return None
  60     else: return s[begin:].rstrip()
  61
  62 URL_SAFE_P = 256*[False]
  63 for ch in \
  64     b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
  65     b"abcdefghijklmnopqrstuvwxyz" \
  66     b"0123456789" b"!$%-.,/":
  67   URL_SAFE_P[ch] = True
  68 def urlencode(s):
  69   return "".join((URL_SAFE_P[ch] and chr(ch) or "%%%02x" % ch
  70                   for ch in s.encode("UTF-8")))
  71
  72 PROG = OS.path.basename(SYS.argv[0])
  73
  74 class BaseLocation (object):
  75   def report(me, exc):
  76     SYS.stderr.write("%s: %s%s\n" % (PROG, me._loc(), exc))
  77
  78 class DummyLocation (BaseLocation):
  79   def _loc(me): return ""
  80
  81 class FileLocation (BaseLocation):
  82   def __init__(me, fn, lno = 1): me._fn, me._lno = fn, lno
  83   def _loc(me): return "%s:%d: " % (me._fn, me._lno)
  84   def stepline(me): me._lno += 1
  85
  86 LOC = DummyLocation()
  87
  88 class Source (object):
  89   PREFIX = ""
  90   TITLEP = CHAPTERP = False
  91   def __init__(me, fn):
  92     me.fn = fn
  93     me.neps = None
  94     me.used_titles = dict()
  95     me.used_chapters = set()
  96     me.nuses = 0
  97   def url(me, title = None, start_chapter = None, end_chapter = None):
  98     if title == "-":
  99       if me.TITLEP: raise ExpectedError("missing title number")
 100       if start_chapter is not None or end_chapter is not None:
 101         raise ExpectedError("can't specify chapter without title")
 102       suffix = ""
 103     elif not me.TITLEP:
 104       raise ExpectedError("can't specify title with `%s'" % me.fn)
 105     elif start_chapter is None:
 106       if end_chapter is not None:
 107         raise ExpectedError("can't specify end chapter without start chapter")
 108       suffix = "#%d" % title
 109     elif not me.CHAPTERP:
 110       raise ExpectedError("can't specify chapter with `%s'" % me.fn)
 111     elif end_chapter is None:
 112       suffix = "#%d:%d" % (title, start_chapter)
 113     else:
 114       suffix = "#%d:%d-%d:%d" % (title, start_chapter, title, end_chapter - 1)
 115     if end_chapter is not None:
 116       keys = [(title, ch) for ch in range(start_chapter, end_chapter)]
 117       set = me.used_chapters
 118     else:
 119       keys, set = [title], me.used_titles
 120     for k in keys:
 121       if k in set:
 122         if title == "-":
 123           raise ExpectedError("`%s' already used" % me.fn)
 124         elif end_chapter is None:
 125           raise ExpectedError("`%s' title %d already used" % (me.fn, title))
 126         else:
 127           raise ExpectedError("`%s' title %d chapter %d already used" %
 128                               (me.fn, title, k[1]))
 129     if end_chapter is not None:
 130       for ch in range(start_chapter, end_chapter):
 131         me.used_chapters.add((title, ch))
 132     return me.PREFIX + ROOT + urlencode(me.fn) + suffix
 133
 134 class VideoDisc (Source):
 135   PREFIX = "dvd://"
 136   TITLEP = CHAPTERP = True
 137
 138   def __init__(me, fn, *args, **kw):
 139     super().__init__(fn, *args, **kw)
 140     me.neps = 0
 141
 142 class VideoSeason (object):
 143   def __init__(me, i, title):
 144     me.i = i
 145     me.title = title
 146     me.episodes = {}
 147   def set_episode_disc(me, i, disc):
 148     if i in me.episodes:
 149       raise ExpectedError("season %d episode %d already taken" % (me.i, i))
 150     me.episodes[i] = disc; disc.neps += 1
 151
 152 def some_group(m, *gg):
 153   for g in gg:
 154     s = m.group(g)
 155     if s is not None: return s
 156   return None
 157
 158 class VideoDir (object):
 159
 160   _R_ISO_PRE = RX.compile(r""" ^
 161         (?: S (?P<si> \d+)
 162               (?: \. \ (?P<st> .*) — (?: D \d+ \. \ )? |
 163                   D \d+ \. \ |
 164                   (?= E \d+ \. \ ) |
 165                   \. \ ) |
 166             (?P<epnum> \d+) \. \ )
 167         (?: (?P<eplist>
 168              (?: S \d+ \ )? E \d+ (?: – \d+)?
 169              (?: , \ (?: S \d+ \ )? E \d+ (?: – \d+)?)*) |
 170             (?P<epname> E \d+) \. \ .* |
 171             .*)
 172         \. iso $
 173   """, RX.X)
 174
 175   _R_ISO_EP = RX.compile(r""" ^
 176         (?: S (?P<si> \d+) \ )?
 177         E (?P<ei> \d+) (?: – (?P<ej> \d+))? $
 178   """, RX.X)
 179
 180   def __init__(me, dir):
 181     me.dir = dir
 182     fns = OS.listdir(OS.path.join(ROOT, dir))
 183     fns.sort()
 184     season = None
 185     seasons = {}
 186     for fn in fns:
 187       path = OS.path.join(dir, fn)
 188       if not fn.endswith(".iso"): continue
 189       m = me._R_ISO_PRE.match(fn)
 190       if not m:
 191         #print(";; `%s' ignored (regex mismatch)" % path, file = SYS.stderr)
 192         continue
 193
 194       i = filter(m.group("si"), int)
 195       stitle = m.group("st")
 196       check(i is not None or stitle is None,
 197             "explicit season title without number in `%s'" % fn)
 198       if i is not None:
 199         if season is None or i != season.i:
 200           check(season is None or i == season.i + 1,
 201                 "season %d /= %d" %
 202                   (i, season is None and -1 or season.i + 1))
 203           check(i not in seasons, "season %d already seen" % i)
 204           seasons[i] = season = VideoSeason(i, stitle)
 205         else:
 206           check(stitle == season.title,
 207                 "season title `%s' /= `%s'" % (stitle, season.title))
 208
 209       disc = VideoDisc(path)
 210       ts = season
 211       any, bad = False, False
 212       epname = m.group("epname")
 213       epexpr = m.group("eplist")
 214       epnum = m.group("epnum")
 215       if epname is not None: eplist = [epname]
 216       elif epexpr is not None: eplist = epexpr.split(", ")
 217       elif epnum is not None: eplist = ["E" + epnum]
 218       else: continue
 219       #print(";; `%s'" % path, file = SYS.stderr)
 220       for eprange in eplist:
 221         mm = me._R_ISO_EP.match(eprange)
 222         if mm is None:
 223           #print(";;\t`%s'?" % eprange, file = SYS.stderr)
 224           bad = True; continue
 225         if not any: any = True
 226         i = filter(mm.group("si"), int)
 227         if i is not None:
 228           try: ts = seasons[i]
 229           except KeyError: ts = seasons[i] = VideoSeason(i, None)
 230         if ts is None:
 231           ts = season = seasons[1] = VideoSeason(1, None)
 232         start = filter(mm.group("ei"), int)
 233         end = filter(mm.group("ej"), int, start)
 234         for k in range(start, end + 1):
 235           ts.set_episode_disc(k, disc)
 236           #print(";;\tepisode %d.%d" % (ts.i, k), file = SYS.stderr)
 237       if not any:
 238         #print(";;\tignored" % path, file = SYS.stderr)
 239         pass
 240       elif bad:
 241         raise ExpectedError("bad ep list in `%s'", fn)
 242     me.seasons = seasons
 243
 244 class AudioDisc (Source):
 245   PREFIX = "file://"
 246   TITLEP = CHAPTERP = False
 247
 248 class AudioEpisode (Source):
 249   PREFIX = "file://"
 250   TITLEP = CHAPTERP = False
 251   def __init__(me, fn, i, *args, **kw):
 252     super().__init__(fn, *args, **kw)
 253     me.i = i
 254
 255 class AudioDir (object):
 256
 257   _R_FLAC = RX.compile(r""" ^
 258           E (\d+)
 259           (?: \. \ (.*))?
 260           \. flac $
 261   """, RX.X)
 262
 263   def __init__(me, dir):
 264     me.dir = dir
 265     fns = OS.listdir(OS.path.join(ROOT, dir))
 266     fns.sort()
 267     episodes = {}
 268     last_i = 0
 269     for fn in fns:
 270       path = OS.path.join(dir, fn)
 271       if not fn.endswith(".flac"): continue
 272       m = me._R_FLAC.match(fn)
 273       if not m: continue
 274       i = filter(m.group(1), int)
 275       etitle = m.group(2)
 276       check(i == last_i + 1, "episode %d /= %d" % (i, last_i + 1))
 277       episodes[i] = AudioEpisode(path, i)
 278       last_i = i
 279     me.episodes = episodes
 280
 281 class Chapter (object):
 282   def __init__(me, episode, title, i):
 283     me.title, me.i = title, i
 284     me.url = episode.source.url(episode.tno, i, i + 1)
 285
 286 class Episode (object):
 287   def __init__(me, season, i, neps, title, src, tno = None, startch = None):
 288     me.season = season
 289     me.i, me.neps, me.title = i, neps, title
 290     me.chapters = []
 291     me.source, me.tno = src, tno
 292     me.url = src.url(tno, startch, None)
 293   def add_chapter(me, title, j):
 294     ch = Chapter(me, title, j)
 295     me.chapters.append(ch)
 296     return ch
 297   def label(me):
 298     return me.season._eplabel(me.i, me.neps, me.title)
 299
 300 class BaseSeason (object):
 301   def __init__(me, series, implicitp = False):
 302     me.series = series
 303     me.episodes = []
 304     me.implicitp = implicitp
 305     me.ep_i, episodes = 1, []
 306   def add_episode(me, j, neps, title, src, tno, startch):
 307     ep = Episode(me, j, neps, title, src, tno, startch)
 308     me.episodes.append(ep)
 309     src.nuses += neps; me.ep_i += neps
 310     return ep
 311   def _epnames(me, i, neps):
 312     playlist = me.series.playlist
 313     if neps == 1: return playlist.epname, "%d" % i
 314     elif neps == 2: return playlist.epnames, "%d, %d" % (i, i + 1)
 315     else: return playlist.epnames, "%d–%d" % (i, i + neps - 1)
 316
 317 class Season (BaseSeason):
 318   def __init__(me, series, title, i, *args, **kw):
 319     super().__init__(series, *args, **kw)
 320     me.title, me.i = title, i
 321   def _eplabel(me, i, neps, title):
 322     epname, epn = me._epnames(i, neps)
 323     if title is None:
 324       if me.implicitp: label = "%s %s" % (epname, epn)
 325       elif me.title is None: label = "%s %d.%s" % (epname, me.i, epn)
 326       else: label = "%s—%s %s" % (me.title, epname, epn)
 327     else:
 328       if me.implicitp: label = "%s. %s" % (epn, title)
 329       elif me.title is None: label = "%d.%s. %s" % (me.i, epn, title)
 330       else: label = "%s—%s. %s" % (me.title, epn, title)
 331     return label
 332
 333 class MovieSeason (BaseSeason):
 334   def __init__(me, series, title, *args, **kw):
 335     super().__init__(series, *args, **kw)
 336     me.title = title
 337     me.i = None
 338   def add_episode(me, j, neps, title, src, tno, startch):
 339     if me.title is None and title is None:
 340       raise ExpectedError("movie or movie season must have a title")
 341     return super().add_episode(j, neps, title, src, tno, startch)
 342   def _eplabel(me, i, neps, title):
 343     if me.title is None:
 344       label = title
 345     elif title is None:
 346       epname, epn = me._epnames(i, neps)
 347       label = "%s—%s %s" % (me.title, epname, epn)
 348     else:
 349       label = "%s—%s" % (me.title, title)
 350     return label
 351
 352 class Series (object):
 353   def __init__(me, playlist, name, title = None, wantedp = True):
 354     me.playlist = playlist
 355     me.name, me.title = name, title
 356     me.cur_season = None
 357     me.wantedp = wantedp
 358   def _add_season(me, season):
 359     me.cur_season = season
 360   def add_season(me, title, i, implicitp = False):
 361     me._add_season(Season(me, title, i, implicitp))
 362   def add_movies(me, title = None):
 363     me._add_season(MovieSeason(me, title))
 364   def ensure_season(me):
 365     if me.cur_season is None: me.add_season(None, 1, implicitp = True)
 366     return me.cur_season
 367   def end_season(me):
 368     me.cur_season = None
 369
 370 class Playlist (object):
 371   def __init__(me):
 372     me.seasons = []
 373     me.episodes = []
 374     me.epname, me.epnames = "Episode", "Episodes"
 375     me.nseries = 0
 376   def add_episode(me, episode):
 377     me.episodes.append(episode)
 378   def done_season(me):
 379     if me.episodes:
 380       me.seasons.append(me.episodes)
 381       me.episodes = []
 382   def write(me, f):
 383     f.write("#EXTM3U\n")
 384     for season in me.seasons:
 385       f.write("\n")
 386       for ep in season:
 387         label = ep.label()
 388         if me.nseries > 1: label = ep.season.series.title + " " + label
 389         if not ep.chapters:
 390           f.write("#EXTINF:0,,%s\n%s\n" % (label, ep.url))
 391         else:
 392           for ch in ep.chapters:
 393             f.write("#EXTINF:0,,%s: %s\n%s\n" %
 394                     (label, ch.title, ch.url))
 395
 396 MODE_UNSET = 0
 397 MODE_SINGLE = 1
 398 MODE_MULTI = 2
 399
 400 class EpisodeListParser (object):
 401
 402   def __init__(me, series_wanted = None, chapters_wanted_p = False):
 403     me._pl = Playlist()
 404     me._cur_episode = me._cur_chapter = None
 405     me._series = {}; me._vdirs = {}; me._audirs = {}; me._isos = {}
 406     me._series_wanted = series_wanted
 407     me._chaptersp = chapters_wanted_p
 408     if series_wanted is None: me._mode = MODE_UNSET
 409     else: me._mode = MODE_MULTI
 410
 411   def _bad_keyval(me, cmd, k, v):
 412     raise ExpectedError("invalid `!%s' option `%s'" %
 413                           (cmd, v if k is None else k))
 414
 415   def _keyvals(me, opts):
 416     if opts is not None:
 417       for kv in opts.split(","):
 418         try: sep = kv.index("=")
 419         except ValueError: yield None, kv
 420         else: yield kv[:sep], kv[sep + 1:]
 421
 422   def _set_mode(me, mode):
 423     if me._mode == MODE_UNSET:
 424       me._mode = mode
 425     elif me._mode != mode:
 426       raise ExpectedError("inconsistent single-/multi-series usage")
 427
 428   def _get_series(me, name):
 429     if name is None:
 430       me._set_mode(MODE_SINGLE)
 431       try: series = me._series[None]
 432       except KeyError:
 433         series = me._series[None] = Series(me._pl, None)
 434         me._pl.nseries += 1
 435     else:
 436       me._set_mode(MODE_MULTI)
 437       series = lookup(me._series, name, "unknown series `%s'" % name)
 438     return series
 439
 440   def _opts_series(me, cmd, opts):
 441     name = None
 442     for k, v in me._keyvals(opts):
 443       if k is None: name = v
 444       else: me._bad_keyval(cmd, k, v)
 445     return me._get_series(name)
 446
 447   def _auto_epsrc(me, series):
 448     dir = lookup(me._vdirs, series.name, "no active video directory")
 449     season = series.ensure_season()
 450     check(season.i is not None, "must use explicit iso for movie seasons")
 451     vseason = lookup(dir.seasons, season.i,
 452                      "season %d not found in video dir `%s'" %
 453                        (season.i, dir.dir))
 454     src = lookup(vseason.episodes, season.ep_i,
 455                  "episode %d.%d not found in video dir `%s'" %
 456                    (season.i, season.ep_i, dir.dir))
 457     return src
 458
 459   def _process_cmd(me, ww):
 460
 461     cmd = ww.nextword(); check(cmd is not None, "missing command")
 462     try: sep = cmd.index(":")
 463     except ValueError: opts = None
 464     else: cmd, opts = cmd[:sep], cmd[sep + 1:]
 465
 466     if cmd == "series":
 467       name = None
 468       for k, v in me._keyvals(opts):
 469         if k is None: name = v
 470         else: me._bad_keyval(cmd, k, v)
 471       check(name is not None, "missing series name")
 472       check(name not in me._series, "series `%s' already defined" % name)
 473       title = ww.rest(); check(title is not None, "missing title")
 474       me._set_mode(MODE_MULTI)
 475       me._series[name] = series = Series(me._pl, name, title,
 476                                          me._series_wanted is None or
 477                                            name in me._series_wanted)
 478       if series.wantedp: me._pl.nseries += 1
 479
 480     elif cmd == "season":
 481       series = me._opts_series(cmd, opts)
 482       w = ww.nextword();
 483       check(w is not None, "missing season number")
 484       if w == "-":
 485         if not series.wantedp: return
 486         series.add_movies(ww.rest())
 487       else:
 488         title = ww.rest(); i = getint(w)
 489         if not series.wantedp: return
 490         series.add_season(ww.rest(), getint(w), implicitp = False)
 491       me._cur_episode = me._cur_chapter = None
 492       me._pl.done_season()
 493
 494     elif cmd == "epname":
 495       for k, v in me._keyvals(opts): me._bad_keyval("epname", k, v)
 496       name = ww.rest(); check(name is not None, "missing episode name")
 497       try: sep = name.index(",")
 498       except ValueError: names = name + "s"
 499       else: name, names = name[:sep], name[sep + 1:]
 500       me._pl.epname, me._pl.epnames = name, names
 501
 502     elif cmd == "epno":
 503       series = me._opts_series(cmd, opts)
 504       w = ww.rest(); check(w is not None, "missing episode number")
 505       epi = getint(w)
 506       if not series.wantedp: return
 507       series.ensure_season().ep_i = epi
 508
 509     elif cmd == "iso":
 510       series = me._opts_series(cmd, opts)
 511       fn = ww.rest(); check(fn is not None, "missing filename")
 512       if not series.wantedp: return
 513       if fn == "-": forget(me._isos, series.name)
 514       else:
 515         check(OS.path.exists(OS.path.join(ROOT, fn)),
 516               "iso file `%s' not found" % fn)
 517         me._isos[series.name] = VideoDisc(fn)
 518
 519     elif cmd == "vdir":
 520       series = me._opts_series(cmd, opts)
 521       dir = ww.rest(); check(dir is not None, "missing directory")
 522       if not series.wantedp: return
 523       if dir == "-": forget(me._vdirs, series.name)
 524       else: me._vdirs[series.name] = VideoDir(dir)
 525
 526     elif cmd == "adir":
 527       series = me._opts_series(cmd, opts)
 528       dir = ww.rest(); check(dir is not None, "missing directory")
 529       if not series.wantedp: return
 530       if dir == "-": forget(me._audirs, series.name)
 531       else: me._audirs[series.name] = AudioDir(dir)
 532
 533     elif cmd == "displaced":
 534       series = me._opts_series(cmd, opts)
 535       w = ww.rest(); check(w is not None, "missing count"); n = getint(w)
 536       src = me._auto_epsrc(series)
 537       src.nuses += n
 538     else:
 539       raise ExpectedError("unknown command `%s'" % cmd)
 540
 541   def _process_episode(me, ww):
 542
 543     opts = ww.nextword(); check(opts is not None, "missing title/options")
 544     ti = None; sname = None; neps = 1; epi = None; ch = None
 545     for k, v in me._keyvals(opts):
 546       if k is None:
 547         if v.isdigit(): ti = int(v)
 548         elif v == "-": ti = "-"
 549         else: sname = v
 550       elif k == "s": sname = v
 551       elif k == "n": neps = getint(v)
 552       elif k == "ep": epi = getint(v)
 553       elif k == "ch": ch = getint(v)
 554       else: raise ExpectedError("unknown episode option `%s'" % k)
 555     check(ti is not None, "missing title number")
 556     series = me._get_series(sname)
 557     me._cur_chapter = None
 558
 559     title = ww.rest()
 560     if not series.wantedp: return
 561     season = series.ensure_season()
 562     if epi is None: epi = season.ep_i
 563
 564     if ti == "-":
 565       check(season.implicitp, "audio source, but explicit season")
 566       dir = lookup(me._audirs, series.name,
 567                    "no title, and no audio directory")
 568       src = lookup(dir.episodes, season.ep_i,
 569                    "episode %d not found in audio dir `%s'" % (epi, dir.dir))
 570
 571     else:
 572       try: src = me._isos[series.name]
 573       except KeyError: src = me._auto_epsrc(series)
 574
 575     episode = season.add_episode(epi, neps, title, src, ti, ch)
 576     me._pl.add_episode(episode)
 577     me._cur_episode = episode
 578
 579   def _process_chapter(me, ww):
 580     check(me._cur_episode is not None, "no current episode")
 581     check(me._cur_episode.source.CHAPTERP,
 582           "episode source doesn't allow chapters")
 583     if me._chaptersp:
 584       if me._cur_chapter is None: i = 1
 585       else: i = me._cur_chapter.i + 1
 586       me._cur_chapter = me._cur_episode.add_chapter(ww.rest(), i)
 587
 588   def parse_file(me, fn):
 589     with location(FileLocation(fn, 0)) as floc:
 590       with open(fn, "r") as f:
 591         for line in f:
 592           floc.stepline()
 593           sline = line.lstrip()
 594           if sline == "" or sline.startswith(";"): continue
 595
 596           if line.startswith("!"): me._process_cmd(Words(line[1:]))
 597           elif not line[0].isspace(): me._process_episode(Words(line))
 598           else: me._process_chapter(Words(line))
 599     me._pl.done_season()
 600
 601   def done(me):
 602     discs = set()
 603     for name, vdir in me._vdirs.items():
 604       if not me._series[name].wantedp: continue
 605       for s in vdir.seasons.values():
 606         for d in s.episodes.values():
 607           discs.add(d)
 608     for adir in me._audirs.values():
 609       for d in adir.episodes.values():
 610         discs.add(d)
 611     for d in sorted(discs, key = lambda d: d.fn):
 612       if d.neps is not None and d.neps != d.nuses:
 613         raise ExpectedError("disc `%s' has %d episodes, used %d times" %
 614                             (d.fn, d.neps, d.nuses))
 615     return me._pl
 616
 617 ROOT = "/mnt/dvd/archive/"
 618
 619 op = OP.OptionParser \
 620   (usage = "%prog [-c] [-s SERIES] EPLS",
 621    description = "Generate M3U playlists from an episode list.")
 622 op.add_option("-c", "--chapters",
 623               dest = "chaptersp", action = "store_true", default = False,
 624               help = "Output individual chapter names")
 625 op.add_option("-s", "--series",
 626               dest = "series", type = "str", default = None,
 627               help = "Output only the listed SERIES (comma-separated)")
 628 opts, argv = op.parse_args()
 629 if len(argv) != 1: op.print_usage(file = SYS.stderr); SYS.exit(2)
 630 if opts.series is None:
 631   series_wanted = None
 632 else:
 633   series_wanted = set()
 634   for name in opts.series.split(","): series_wanted.add(name)
 635 try:
 636   ep = EpisodeListParser(series_wanted, opts.chaptersp)
 637   ep.parse_file(argv[0])
 638   pl = ep.done()
 639   pl.write(SYS.stdout)
 640 except (ExpectedError, IOError, OSError) as e:
 641   LOC.report(e)
 642   SYS.exit(2)