2 ### -*- mode: python; coding: utf-8 -*-
4 from contextlib
import contextmanager
10 class ExpectedError (Exception): pass
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
)
25 if not cond
: raise ExpectedError(msg
)
27 def lookup(dict, key
, msg
):
29 except KeyError: raise ExpectedError(msg
)
31 def forget(dict, key
):
36 if not s
.isdigit(): raise ExpectedError("bad integer `%s'" % s
)
42 me
._i
, me
._n
= 0, len(s
)
44 s
, i
, n
= me
._s
, me
._i
, me
._n
46 if not s
[i
].isspace(): return i
51 begin
= i
= me
._wordstart()
52 if begin
< 0: return None
53 while i
< n
and not s
[i
].isspace(): i
+= 1
58 begin
= me
._wordstart()
59 if begin
< 0: return None
60 else: return s
[begin
:].rstrip()
62 URL_SAFE_P
= 256*[False]
64 b
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
65 b
"abcdefghijklmnopqrstuvwxyz" \
66 b
"0123456789" b
"!$%-.,/":
69 return "".join((URL_SAFE_P
[ch
] and chr(ch
) or "%%%02x" % ch
70 for ch
in s
.encode("UTF-8")))
72 PROG
= OS
.path
.basename(SYS
.argv
[0])
74 class BaseLocation (object):
76 SYS
.stderr
.write("%s: %s%s\n" %
(PROG
, me
._loc(), exc
))
78 class DummyLocation (BaseLocation
):
79 def _loc(me
): return ""
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
88 class Source (object):
90 TITLEP
= CHAPTERP
= False
94 me
.used_titles
= dict()
95 me
.used_chapters
= set()
97 def url(me
, title
= None, start_chapter
= None, end_chapter
= None):
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")
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
)
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
119 keys
, set = [title
], me
.used_titles
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
))
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
134 class VideoDisc (Source
):
136 TITLEP
= CHAPTERP
= True
138 def __init__(me
, fn
, *args
, **kw
):
139 super().__init__(fn
, *args
, **kw
)
142 class VideoSeason (object):
143 def __init__(me
, i
, title
):
147 def set_episode_disc(me
, i
, disc
):
149 raise ExpectedError("season %d episode %d already taken" %
(me
.i
, i
))
150 me
.episodes
[i
] = disc
; disc
.neps
+= 1
152 def some_group(m
, *gg
):
155 if s
is not None: return s
158 class VideoDir (object):
160 _R_ISO_PRE
= RX
.compile(r
""" ^
162 (?: \. \ (?P<st> .*) — (?: D \d+ \. \ )? |
168 (?: S \d+ \ )? E \d+ (?: – \d+)?
169 (?: , \ (?: S \d+ \ )? E \d+ (?: – \d+)?)*) |
170 (?P<epname> E \d+) \. \ .*)
174 _R_ISO_EP
= RX
.compile(r
""" ^
175 (?: S (?P<si> \d+) \ )?
176 E (?P<ei> \d+) (?: – (?P<ej> \d+))? $
179 def __init__(me
, dir):
181 fns
= OS
.listdir(OS
.path
.join(ROOT
, dir))
186 path
= OS
.path
.join(dir, fn
)
187 if not fn
.endswith(".iso"): continue
188 m
= me
._R_ISO_PRE
.match(fn
)
190 #print(";; `%s' ignored" % path, file = SYS.stderr)
193 i
= filter(m
.group("si"), int)
194 stitle
= m
.group("st")
195 check(i
is not None or stitle
is None,
196 "explicit season title without number in `%s'" % fn
)
198 if season
is None or i
!= season
.i
:
199 check(season
is None or i
== season
.i
+ 1,
201 (i
, season
is None and -1 or season
.i
+ 1))
202 check(i
not in seasons
, "season %d already seen" % i
)
203 seasons
[i
] = season
= VideoSeason(i
, stitle
)
205 check(stitle
== season
.title
,
206 "season title `%s' /= `%s'" %
(stitle
, season
.title
))
208 disc
= VideoDisc(path
)
210 any
, bad
= False, False
211 epname
= m
.group("epname")
212 if epname
is not None: eplist
= [epname
]
213 else: eplist
= m
.group("eplist").split(", ")
214 for eprange
in eplist
:
215 mm
= me
._R_ISO_EP
.match(eprange
)
216 if mm
is None: bad
= True; continue
218 #print(";; `%s'" % path, file = SYS.stderr)
220 i
= filter(mm
.group("si"), int)
223 except KeyError: ts
= seasons
[i
] = VideoSeason(i
, None)
225 ts
= season
= seasons
[1] = VideoSeason(1, None)
226 start
= filter(mm
.group("ei"), int)
227 end
= filter(mm
.group("ej"), int, start
)
228 for k
in range(start
, end
+ 1):
229 ts
.set_episode_disc(k
, disc
)
230 #print(";;\tepisode %d.%d" % (ts.i, k), file = SYS.stderr)
231 if not any
: pass #print(";; `%s' ignored" % path, file = SYS.stderr)
232 elif bad
: raise ExpectedError("bad ep list in `%s'", fn
)
235 class AudioDisc (Source
):
237 TITLEP
= CHAPTERP
= False
239 class AudioEpisode (Source
):
241 TITLEP
= CHAPTERP
= False
242 def __init__(me
, fn
, i
, *args
, **kw
):
243 super().__init__(fn
, *args
, **kw
)
246 class AudioDir (object):
248 _R_FLAC
= RX
.compile(r
""" ^
254 def __init__(me
, dir):
256 fns
= OS
.listdir(OS
.path
.join(ROOT
, dir))
261 path
= OS
.path
.join(dir, fn
)
262 if not fn
.endswith(".flac"): continue
263 m
= me
._R_FLAC
.match(fn
)
265 i
= filter(m
.group(1), int)
267 check(i
== last_i
+ 1, "episode %d /= %d" %
(i
, last_i
+ 1))
268 episodes
[i
] = AudioEpisode(path
, i
)
270 me
.episodes
= episodes
272 class Chapter (object):
273 def __init__(me
, episode
, title
, i
):
274 me
.title
, me
.i
= title
, i
275 me
.url
= episode
.source
.url(episode
.tno
, i
, i
+ 1)
277 class Episode (object):
278 def __init__(me
, season
, i
, neps
, title
, src
, tno
= None, startch
= None):
280 me
.i
, me
.neps
, me
.title
= i
, neps
, title
282 me
.source
, me
.tno
= src
, tno
283 me
.url
= src
.url(tno
, startch
, None)
284 def add_chapter(me
, title
, j
):
285 ch
= Chapter(me
, title
, j
)
286 me
.chapters
.append(ch
)
289 return me
.season
._eplabel(me
.i
, me
.neps
, me
.title
)
291 class BaseSeason (object):
292 def __init__(me
, series
, implicitp
= False):
295 me
.implicitp
= implicitp
296 me
.ep_i
, episodes
= 1, []
297 def add_episode(me
, j
, neps
, title
, src
, tno
, startch
):
298 ep
= Episode(me
, j
, neps
, title
, src
, tno
, startch
)
299 me
.episodes
.append(ep
)
300 src
.nuses
+= neps
; me
.ep_i
+= neps
303 class Season (BaseSeason
):
304 def __init__(me
, series
, title
, i
, *args
, **kw
):
305 super().__init__(series
, *args
, **kw
)
306 me
.title
, me
.i
= title
, i
307 def _eplabel(me
, i
, neps
, title
):
308 playlist
= me
.series
.playlist
309 if neps
== 1: epname
= playlist
.epname
; epn
= "%d" % i
310 elif neps
== 2: epname
= playlist
.epnames
; epn
= "%d, %d" %
(i
, i
+ 1)
311 else: epname
= playlist
.epnames
; epn
= "%d–%d" %
(i
, i
+ neps
- 1)
313 if me
.implicitp
: label
= "%s %s" %
(epname
, epn
)
314 elif me
.title
is None: label
= "%s %d.%s" %
(epname
, me
.i
, epn
)
315 else: label
= "%s—%s %s" %
(me
.title
, epname
, epn
)
317 if me
.implicitp
: label
= "%s. %s" %
(epn
, title
)
318 elif me
.title
is None: label
= "%d.%s. %s" %
(me
.i
, epn
, title
)
319 else: label
= "%s—%s. %s" %
(me
.title
, epn
, title
)
322 class MovieSeason (BaseSeason
):
323 def add_episode(me
, j
, neps
, title
, src
, tno
, startch
):
324 if title
is None: raise ExpectedError("movie must have a title")
325 return super().add_episode(j
, neps
, title
, src
, tno
, startch
)
326 def _eplabel(me
, i
, epn
, title
):
329 class Series (object):
330 def __init__(me
, playlist
, title
= None):
331 me
.playlist
= playlist
334 def _add_season(me
, season
):
335 me
.cur_season
= season
336 def add_season(me
, title
, i
, implicitp
= False):
337 me
._add_season(Season(me
, title
, i
, implicitp
))
339 me
._add_season(MovieSeason(me
))
340 def ensure_season(me
):
341 if me
.cur_season
is None: me
.add_season(None, 1, implicitp
= True)
346 class Playlist (object):
350 me
.epname
, me
.epnames
= "Episode", "Episodes"
352 def add_episode(me
, episode
):
353 me
.episodes
.append(episode
)
356 me
.seasons
.append(me
.episodes
)
360 for season
in me
.seasons
:
364 if me
.nseries
> 1: label
= ep
.season
.series
.title
+ " " + label
366 f
.write("#EXTINF:0,,%s\n%s\n" %
(label
, ep
.url
))
368 for ch
in ep
.chapters
:
369 f
.write("#EXTINF:0,,%s: %s\n%s\n" %
370 (label
, ch
.title
, ch
.url
))
376 class EpisodeListParser (object):
378 def __init__(me
, series_wanted
= None, chapters_wanted_p
= False):
380 me
._cur_episode
= me
._cur_chapter
= None
381 me
._series
= {}; me
._vdirs
= {}; me
._audirs
= {}; me
._isos
= {}
382 me
._series_wanted
= series_wanted
383 me
._chaptersp
= chapters_wanted_p
384 if series_wanted
is None: me
._mode
= MODE_UNSET
385 else: me
._mode
= MODE_MULTI
387 def _bad_keyval(me
, cmd
, k
, v
):
388 raise ExpectedError("invalid `!%s' option `%s'" %
389 (cmd
, v
if k
is None else k
))
391 def _keyvals(me
, opts
):
393 for kv
in opts
.split(","):
394 try: sep
= kv
.index("=")
395 except ValueError: yield None, kv
396 else: yield kv
[:sep
], kv
[sep
+ 1:]
398 def _set_mode(me
, mode
):
399 if me
._mode
== MODE_UNSET
:
401 elif me
._mode
!= mode
:
402 raise ExpectedError("inconsistent single-/multi-series usage")
404 def _get_series(me
, name
):
406 me
._set_mode(MODE_SINGLE
)
407 try: series
= me
._series
[None]
409 series
= me
._series
[None] = Series(me
._pl
)
412 me
._set_mode(MODE_MULTI
)
413 series
= lookup(me
._series
, name
, "unknown series `%s'" % name
)
416 def _opts_series(me
, cmd
, opts
):
418 for k
, v
in me
._keyvals(opts
):
419 if k
is None: name
= v
420 else: me
._bad_keyval(cmd
, k
, v
)
421 return me
._get_series(name
), name
423 def _wantedp(me
, name
):
424 return me
._series_wanted
is None or name
in me
._series_wanted
426 def _process_cmd(me
, ww
):
428 cmd
= ww
.nextword(); check(cmd
is not None, "missing command")
429 try: sep
= cmd
.index(":")
430 except ValueError: opts
= None
431 else: cmd
, opts
= cmd
[:sep
], cmd
[sep
+ 1:]
435 for k
, v
in me
._keyvals(opts
):
436 if k
is None: name
= v
437 else: me
._bad_keyval(cmd
, k
, v
)
438 check(name
is not None, "missing series name")
439 check(name
not in me
._series
, "series `%s' already defined" % name
)
440 title
= ww
.rest(); check(title
is not None, "missing title")
441 me
._set_mode(MODE_MULTI
)
442 me
._series
[name
] = Series(me
._pl
, title
)
443 if me
._wantedp(name
): me
._pl
.nseries
+= 1
445 elif cmd
== "season":
446 series
, sname
= me
._opts_series(cmd
, opts
)
448 check(w
is not None, "missing season number")
450 check(ww
.rest() is None, "trailing junk")
451 if not me
._wantedp(sname
): return
454 title
= ww
.rest(); i
= getint(w
)
455 if not me
._wantedp(sname
): return
456 series
.add_season(ww
.rest(), getint(w
), implicitp
= False)
457 me
._cur_episode
= me
._cur_chapter
= None
460 elif cmd
== "epname":
461 for k
, v
in me
._keyvals(opts
): me
._bad_keyval("epname", k
, v
)
462 name
= ww
.rest(); check(name
is not None, "missing episode name")
463 try: sep
= name
.index(",")
464 except ValueError: names
= name
+ "s"
465 else: name
, names
= name
[:sep
], name
[sep
+ 1:]
466 me
._pl
.epname
, me
._pl
.epnames
= name
, names
469 series
, sname
= me
._opts_series(cmd
, opts
)
470 w
= ww
.rest(); check(w
is not None, "missing episode number")
472 if not me
._wantedp(sname
): return
473 series
.ensure_season().ep_i
= epi
476 _
, name
= me
._opts_series(cmd
, opts
)
477 fn
= ww
.rest(); check(fn
is not None, "missing filename")
478 if not me
._wantedp(name
): return
479 if fn
== "-": forget(me
._isos
, name
)
481 check(OS
.path
.exists(OS
.path
.join(ROOT
, fn
)),
482 "iso file `%s' not found" % fn
)
483 me
._isos
[name
] = VideoDisc(fn
)
486 _
, name
= me
._opts_series(cmd
, opts
)
487 dir = ww
.rest(); check(dir is not None, "missing directory")
488 if not me
._wantedp(name
): return
489 if dir == "-": forget(me
._vdirs
, name
)
490 else: me
._vdirs
[name
] = VideoDir(dir)
493 _
, name
= me
._opts_series(cmd
, opts
)
494 dir = ww
.rest(); check(dir is not None, "missing directory")
495 if not me
._wantedp(name
): return
496 if dir == "-": forget(me
._audirs
, name
)
497 else: me
._audirs
[name
] = AudioDir(dir)
500 raise ExpectedError("unknown command `%s'" % cmd
)
502 def _process_episode(me
, ww
):
504 opts
= ww
.nextword(); check(opts
is not None, "missing title/options")
505 ti
= None; sname
= None; neps
= 1; epi
= None; ch
= None
506 for k
, v
in me
._keyvals(opts
):
508 if v
.isdigit(): ti
= int(v
)
509 elif v
== "-": ti
= "-"
511 elif k
== "s": sname
= v
512 elif k
== "n": neps
= getint(v
)
513 elif k
== "ep": epi
= getint(v
)
514 elif k
== "ch": ch
= getint(v
)
515 else: raise ExpectedError("unknown episode option `%s'" % k
)
516 check(ti
is not None, "missing title number")
517 series
= me
._get_series(sname
)
518 me
._cur_chapter
= None
521 if not me
._wantedp(sname
): return
522 season
= series
.ensure_season()
523 if epi
is None: epi
= season
.ep_i
526 check(season
.implicitp
, "audio source, but explicit season")
527 if not me
._wantedp(sname
): return
528 dir = lookup(me
._audirs
, sname
, "no title, and no audio directory")
529 src
= lookup(dir.episodes
, season
.ep_i
,
530 "episode %d not found in audio dir `%s'" %
(epi
, dir.dir))
533 try: src
= me
._isos
[sname
]
535 dir = lookup(me
._vdirs
, sname
,
536 "title, but no iso or video directory")
537 vseason
= lookup(dir.seasons
, season
.i
,
538 "season %d not found in video dir `%s'" %
540 src
= lookup(vseason
.episodes
, season
.ep_i
,
541 "episode %d.%d not found in video dir `%s'" %
542 (season
.i
, season
.ep_i
, dir.dir))
544 episode
= season
.add_episode(epi
, neps
, title
, src
, ti
, ch
)
545 me
._pl
.add_episode(episode
)
546 me
._cur_episode
= episode
548 def _process_chapter(me
, ww
):
549 check(me
._cur_episode
is not None, "no current episode")
550 check(me
._cur_episode
.source
.CHAPTERP
,
551 "episode source doesn't allow chapters")
553 if me
._cur_chapter
is None: i
= 1
554 else: i
= me
._cur_chapter
.i
+ 1
555 me
._cur_chapter
= me
._cur_episode
.add_chapter(ww
.rest(), i
)
557 def parse_file(me
, fn
):
558 with
location(FileLocation(fn
, 0)) as floc
:
559 with
open(fn
, "r") as f
:
562 sline
= line
.lstrip()
563 if sline
== "" or sline
.startswith(";"): continue
565 if line
.startswith("!"): me
._process_cmd(Words(line
[1:]))
566 elif not line
[0].isspace(): me
._process_episode(Words(line
))
567 else: me
._process_chapter(Words(line
))
572 for name
, vdir
in me
._vdirs
.items():
573 if not me
._wantedp(name
): continue
574 for s
in vdir
.seasons
.values():
575 for d
in s
.episodes
.values():
577 for adir
in me
._audirs
.values():
578 for d
in adir
.episodes
.values():
580 for d
in sorted(discs
, key
= lambda d
: d
.fn
):
581 if d
.neps
is not None and d
.neps
!= d
.nuses
:
582 raise ExpectedError("disc `%s' has %d episodes, used %d times" %
583 (d
.fn
, d
.neps
, d
.nuses
))
586 ROOT
= "/mnt/dvd/archive/"
588 op
= OP
.OptionParser \
589 (usage
= "%prog [-c] [-s SERIES] EPLS",
590 description
= "Generate M3U playlists from an episode list.")
591 op
.add_option("-c", "--chapters",
592 dest
= "chaptersp", action
= "store_true", default
= False,
593 help = "Output individual chapter names")
594 op
.add_option("-s", "--series",
595 dest
= "series", type = "str", default
= None,
596 help = "Output only the listed SERIES (comma-separated)")
597 opts
, argv
= op
.parse_args()
598 if len(argv
) != 1: op
.print_usage(file = SYS
.stderr
); SYS
.exit(2)
599 if opts
.series
is None:
602 series_wanted
= set()
603 for name
in opts
.series
.split(","): series_wanted
.add(name
)
605 ep
= EpisodeListParser(series_wanted
, opts
.chaptersp
)
606 ep
.parse_file(argv
[0])
609 except (ExpectedError
, IOError, OSError) as e
: