### -*- mode: python; coding: utf-8 -*-
from contextlib import contextmanager
+import errno as E
import optparse as OP
import os as OS
import re as RX
+import sqlite3 as SQL
import subprocess as SP
import sys as SYS
LOC = DummyLocation()
+ROOT = "/mnt/dvd/archive/"
+DB = None
+
+def init_db(fn):
+ global DB
+ DB = SQL.connect(fn)
+ DB.cursor().execute("PRAGMA journal_mode = WAL")
+
+def setup_db(fn):
+ try: OS.unlink(fn)
+ except OSError as e:
+ if e.errno == E.ENOENT: pass
+ else: raise
+ init_db(fn)
+ DB.cursor().execute("""
+ CREATE TABLE duration
+ (path TEXT NOT NULL,
+ title INTEGER NOT NULL,
+ start_chapter INTEGER NOT NULL,
+ end_chapter INTEGER NOT NULL,
+ inode INTEGER NOT NULL,
+ device INTEGER NOT NULL,
+ size INTEGER NOT NULL,
+ mtime REAL NOT NULL,
+ duration REAL NOT NULL,
+ PRIMARY KEY (path, title, start_chapter, end_chapter));
+ """)
+
class Source (object):
+
PREFIX = ""
TITLEP = CHAPTERP = False
+
def __init__(me, fn):
me.fn = fn
me.neps = None
me.used_titles = dict()
me.used_chapters = set()
me.nuses = 0
+
def _duration(me, title, start_chapter, end_chapter):
return -1
def url_and_duration(me, title = None,
else:
suffix = "#%d:%d-%d:%d" % (title, start_chapter, title, end_chapter - 1)
- duration = me._duration(title, start_chapter, end_chapter)
+ duration = None
+ if DB is None:
+ duration = me._duration(title, start_chapter, end_chapter)
+ else:
+ st = OS.stat(OS.path.join(ROOT, me.fn))
+ duration = None
+ c = DB.cursor()
+ c.execute("""
+ SELECT device, inode, size, mtime, duration FROM duration
+ WHERE path = ? AND title = ? AND
+ start_chapter = ? AND end_chapter = ?
+ """, [me.fn, title, start_chapter is None and -1 or start_chapter,
+ end_chapter is None and -1 or end_chapter])
+ row = c.fetchone()
+ foundp = False
+ if row is None:
+ duration = me._duration(title, start_chapter, end_chapter)
+ c.execute("""
+ INSERT OR REPLACE INTO duration
+ (path, title, start_chapter, end_chapter,
+ device, inode, size, mtime, duration)
+ VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+ """, [me.fn, title, start_chapter is None and -1 or start_chapter,
+ end_chapter is None and -1 or end_chapter,
+ st.st_dev, st.st_ino, st.st_size, st.st_mtime,
+ duration])
+ else:
+ dev, ino, sz, mt, d = row
+ if (dev, ino, sz, mt) == \
+ (st.st_dev, st.st_ino, st.st_size, st.st_mtime):
+ duration = d
+ else:
+ duration = me._duration(title, start_chapter, end_chapter)
+ c.execute("""
+ UPDATE duration
+ SET device = ?, inode = ?, size = ?, mtime = ?, duration = ?
+ WHERE path = ? AND title = ? AND
+ start_chapter = ? AND end_chapter = ?
+ """, [st.st_dev, st.st_dev, st.st_size, st.st_mtime, duration,
+ me.fn, title, start_chapter is None and -1 or start_chapter,
+ end_chapter is None and -1 or end_chapter])
+ DB.commit()
if end_chapter is not None:
keys = [(title, ch) for ch in range(start_chapter, end_chapter)]
me.cur_season = None
class Playlist (object):
+
def __init__(me):
me.seasons = []
me.episodes = []
me.epname, me.epnames = "Episode", "Episodes"
me.nseries = 0
+
def add_episode(me, episode):
me.episodes.append(episode)
+
def done_season(me):
if me.episodes:
me.seasons.append(me.episodes)
me.episodes = []
+
def write(me, f):
f.write("#EXTM3U\n")
for season in me.seasons:
f.write("#EXTINF:%d,,%s: %s\n%s\n" %
(ch.duration, label, ch.title, ch.url))
+ def write_deps(me, f, out):
+ deps = set()
+ for season in me.seasons:
+ for ep in season: deps.add(ep.source.fn)
+ f.write("### -*-makefile-*-\n")
+ f.write("%s: $(call check-deps, %s," % (out, out))
+ for dep in sorted(deps):
+ f.write(" \\\n\t'%s'" %
+ OS.path.join(ROOT, dep)
+ .replace(",", "$(comma)")
+ .replace("'", "'\\''"))
+ f.write(")\n")
+
DEFAULT_EXPVAR = 0.05
R_DURMULT = RX.compile(r""" ^
(\d+ (?: \. \d+)?) x
if epi is None: epi = season.ep_i
if ti == "-":
- check(season.implicitp, "audio source, but explicit season")
+ check(season.implicitp or season.i is None,
+ "audio source, but explicit non-movie season")
dir = lookup(me._audirs, series.name,
"no title, and no audio directory")
src = lookup(dir.episodes, season.ep_i,
(d.fn, d.neps, d.nuses))
return me._pl
-ROOT = "/mnt/dvd/archive/"
-
op = OP.OptionParser \
- (usage = "%prog [-c] [-s SERIES] EPLS",
+ (usage = "%prog [-c] [-M DEPS] [-d CACHE] [-o OUT] [-s SERIES] EPLS\n"
+ "%prog -i -d CACHE",
description = "Generate M3U playlists from an episode list.")
+op.add_option("-M", "--make-deps", metavar = "DEPS",
+ dest = "deps", type = "str", default = None,
+ help = "Write a `make' fragment for dependencies")
op.add_option("-c", "--chapters",
dest = "chaptersp", action = "store_true", default = False,
help = "Output individual chapter names")
-op.add_option("-s", "--series",
+op.add_option("-i", "--init-db",
+ dest = "initdbp", action = "store_true", default = False,
+ help = "Initialize the database")
+op.add_option("-d", "--database", metavar = "CACHE",
+ dest = "database", type = "str", default = None,
+ help = "Set filename for cache database")
+op.add_option("-o", "--output", metavar = "OUT",
+ dest = "output", type = "str", default = None,
+ help = "Write output playlist to OUT")
+op.add_option("-O", "--fake-output", metavar = "OUT",
+ dest = "fakeout", type = "str", default = None,
+ help = "Pretend output goes to OUT for purposes of `-M'")
+op.add_option("-s", "--series", metavar = "SERIES",
dest = "series", type = "str", default = None,
help = "Output only the listed SERIES (comma-separated)")
-opts, argv = op.parse_args()
-if len(argv) != 1: op.print_usage(file = SYS.stderr); SYS.exit(2)
-if opts.series is None:
- series_wanted = None
-else:
- series_wanted = set()
- for name in opts.series.split(","): series_wanted.add(name)
try:
- ep = EpisodeListParser(series_wanted, opts.chaptersp)
- ep.parse_file(argv[0])
- pl = ep.done()
- pl.write(SYS.stdout)
+ opts, argv = op.parse_args()
+
+ if opts.initdbp:
+ if opts.chaptersp or opts.series is not None or \
+ opts.output is not None or opts.deps is not None or \
+ opts.fakeout is not None or \
+ opts.database is None or len(argv):
+ op.print_usage(file = SYS.stderr); SYS.exit(2)
+ setup_db(opts.database)
+
+ else:
+ if len(argv) != 1: op.print_usage(file = SYS.stderr); SYS.exit(2)
+ if opts.database is not None: init_db(opts.database)
+ if opts.series is None:
+ series_wanted = None
+ else:
+ series_wanted = set()
+ for name in opts.series.split(","): series_wanted.add(name)
+ if opts.deps is not None:
+ if (opts.output is None or opts.output == "-") and opts.fakeout is None:
+ raise ExpectedError("can't write dep fragment without output file")
+ if opts.fakeout is None: opts.fakeout = opts.output
+ else:
+ if opts.fakeout is not None:
+ raise ExpectedError("fake output set but no dep fragment")
+
+ ep = EpisodeListParser(series_wanted, opts.chaptersp)
+ ep.parse_file(argv[0])
+ pl = ep.done()
+
+ if opts.output is None or opts.output == "-":
+ pl.write(SYS.stdout)
+ else:
+ with open(opts.output, "w") as f: pl.write(f)
+
+ if opts.deps:
+ if opts.deps == "-":
+ pl.write_deps(SYS.stdout, opts.fakeout)
+ else:
+ with open(opts.deps, "w") as f: pl.write_deps(f, opts.fakeout)
+
except (ExpectedError, IOError, OSError) as e:
LOC.report(e)
SYS.exit(2)