mirror of
https://github.com/moparisthebest/SickRage
synced 2024-12-15 04:22:17 -05:00
301 lines
10 KiB
Python
301 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
|
|
#
|
|
# This file is part of subliminal.
|
|
#
|
|
# subliminal is free software; you can redistribute it and/or modify it under
|
|
# the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# subliminal 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 Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with subliminal. If not, see <http://www.gnu.org/licenses/>.
|
|
from . import subtitles
|
|
from .language import Language
|
|
from .utils import to_unicode
|
|
import enzyme.core
|
|
import guessit
|
|
import hashlib
|
|
import logging
|
|
import mimetypes
|
|
import os
|
|
import struct
|
|
|
|
from sickbeard import encodingKludge as ek
|
|
import sickbeard
|
|
|
|
|
|
__all__ = ['EXTENSIONS', 'MIMETYPES', 'Video', 'Episode', 'Movie', 'UnknownVideo',
|
|
'scan', 'hash_opensubtitles', 'hash_thesubdb']
|
|
logger = logging.getLogger("subliminal")
|
|
|
|
#: Video extensions
|
|
EXTENSIONS = ['.avi', '.mkv', '.mpg', '.mp4', '.m4v', '.mov', '.ogm', '.ogv', '.wmv',
|
|
'.divx', '.asf']
|
|
|
|
#: Video mimetypes
|
|
MIMETYPES = ['video/mpeg', 'video/mp4', 'video/quicktime', 'video/x-ms-wmv', 'video/x-msvideo',
|
|
'video/x-flv', 'video/x-matroska', 'video/x-matroska-3d']
|
|
|
|
|
|
class Video(object):
|
|
"""Base class for videos
|
|
|
|
:param string path: path
|
|
:param guess: guessed informations
|
|
:type guess: :class:`~guessit.guess.Guess`
|
|
:param string imdbid: imdbid
|
|
|
|
"""
|
|
def __init__(self, path, guess, imdbid=None):
|
|
self.release = path
|
|
self.guess = guess
|
|
self.imdbid = imdbid
|
|
self._path = None
|
|
self.hashes = {}
|
|
|
|
if isinstance(path, unicode):
|
|
path = path.encode('utf-8')
|
|
|
|
if os.path.exists(path):
|
|
self._path = path
|
|
self.size = os.path.getsize(self._path)
|
|
self._compute_hashes()
|
|
|
|
@classmethod
|
|
def from_path(cls, path):
|
|
"""Create a :class:`Video` subclass guessing all informations from the given path
|
|
|
|
:param string path: path
|
|
:return: video object
|
|
:rtype: :class:`Episode` or :class:`Movie` or :class:`UnknownVideo`
|
|
|
|
"""
|
|
guess = guessit.guess_file_info(path, 'autodetect')
|
|
result = None
|
|
if guess['type'] == 'episode' and 'series' in guess and 'season' in guess and 'episodeNumber' in guess:
|
|
title = None
|
|
if 'title' in guess:
|
|
title = guess['title']
|
|
result = Episode(path, guess['series'], guess['season'], guess['episodeNumber'], title, guess)
|
|
if guess['type'] == 'movie' and 'title' in guess:
|
|
year = None
|
|
if 'year' in guess:
|
|
year = guess['year']
|
|
result = Movie(path, guess['title'], year, guess)
|
|
if not result:
|
|
result = UnknownVideo(path, guess)
|
|
if not isinstance(result, cls):
|
|
raise ValueError('Video is not of requested type')
|
|
return result
|
|
|
|
@property
|
|
def exists(self):
|
|
"""Whether the video exists or not"""
|
|
if self._path:
|
|
return os.path.exists(self._path)
|
|
return False
|
|
|
|
@property
|
|
def path(self):
|
|
"""Path to the video"""
|
|
return self._path
|
|
|
|
@path.setter
|
|
def path(self, value):
|
|
if not os.path.exists(value):
|
|
raise ValueError('Path does not exists')
|
|
self._path = value
|
|
self.size = os.path.getsize(self._path)
|
|
self._compute_hashes()
|
|
|
|
def _compute_hashes(self):
|
|
"""Compute different hashes"""
|
|
self.hashes['OpenSubtitles'] = hash_opensubtitles(self.path)
|
|
self.hashes['TheSubDB'] = hash_thesubdb(self.path)
|
|
|
|
def scan(self):
|
|
"""Scan and return associated subtitles
|
|
|
|
:return: associated subtitles
|
|
:rtype: list of :class:`~subliminal.subtitles.Subtitle`
|
|
|
|
"""
|
|
if not self.exists:
|
|
return []
|
|
basepath = os.path.splitext(self.path)[0]
|
|
results = []
|
|
video_infos = None
|
|
try:
|
|
video_infos = enzyme.parse(self.path)
|
|
logger.debug(u'Succeeded parsing %s with enzyme: %r' % (self.path, video_infos))
|
|
except:
|
|
logger.debug(u'Failed parsing %s with enzyme' % self.path)
|
|
if isinstance(video_infos, enzyme.core.AVContainer):
|
|
results.extend([subtitles.EmbeddedSubtitle.from_enzyme(self.path, s) for s in video_infos.subtitles])
|
|
# cannot use glob here because it chokes if there are any square
|
|
# brackets inside the filename, so we have to use basic string
|
|
# startswith/endswith comparisons
|
|
folder, basename = os.path.split(basepath)
|
|
if folder == '':
|
|
folder = '.'
|
|
existing = [f for f in os.listdir(folder) if f.startswith(basename)]
|
|
if sickbeard.SUBTITLES_DIR:
|
|
subsDir = ek.ek(os.path.join, folder, sickbeard.SUBTITLES_DIR)
|
|
if ek.ek(os.path.isdir, subsDir):
|
|
existing.extend([f for f in os.listdir(subsDir) if f.startswith(basename)])
|
|
for path in existing:
|
|
for ext in subtitles.EXTENSIONS:
|
|
if path.endswith(ext):
|
|
language = Language(path[len(basename) + 1:-len(ext)], strict=False)
|
|
results.append(subtitles.ExternalSubtitle(path, language))
|
|
return results
|
|
|
|
def __unicode__(self):
|
|
return to_unicode(self.path or self.release)
|
|
|
|
def __str__(self):
|
|
return unicode(self).encode('utf-8')
|
|
|
|
def __repr__(self):
|
|
return '%s(%s)' % (self.__class__.__name__, self)
|
|
|
|
def __hash__(self):
|
|
return hash(self.path or self.release)
|
|
|
|
|
|
class Episode(Video):
|
|
"""Episode :class:`Video`
|
|
|
|
:param string path: path
|
|
:param string series: series
|
|
:param int season: season number
|
|
:param int episode: episode number
|
|
:param string title: title
|
|
:param guess: guessed informations
|
|
:type guess: :class:`~guessit.guess.Guess`
|
|
:param string tvdbid: tvdbid
|
|
:param string imdbid: imdbid
|
|
|
|
"""
|
|
def __init__(self, path, series, season, episode, title=None, guess=None, tvdbid=None, imdbid=None):
|
|
super(Episode, self).__init__(path, guess, imdbid)
|
|
self.series = series
|
|
self.title = title
|
|
self.season = season
|
|
self.episode = episode
|
|
self.tvdbid = tvdbid
|
|
|
|
|
|
class Movie(Video):
|
|
"""Movie :class:`Video`
|
|
|
|
:param string path: path
|
|
:param string title: title
|
|
:param int year: year
|
|
:param guess: guessed informations
|
|
:type guess: :class:`~guessit.guess.Guess`
|
|
:param string imdbid: imdbid
|
|
|
|
"""
|
|
def __init__(self, path, title, year=None, guess=None, imdbid=None):
|
|
super(Movie, self).__init__(path, guess, imdbid)
|
|
self.title = title
|
|
self.year = year
|
|
|
|
|
|
class UnknownVideo(Video):
|
|
"""Unknown video"""
|
|
pass
|
|
|
|
|
|
def scan(entry, max_depth=3, scan_filter=None, depth=0):
|
|
"""Scan a path for videos and subtitles
|
|
|
|
:param string entry: path
|
|
:param int max_depth: maximum folder depth
|
|
:param function scan_filter: filter function that takes a path as argument and returns a boolean indicating whether it has to be filtered out (``True``) or not (``False``)
|
|
:param int depth: starting depth
|
|
:return: found videos and subtitles
|
|
:rtype: list of (:class:`Video`, [:class:`~subliminal.subtitles.Subtitle`])
|
|
|
|
"""
|
|
if isinstance(entry, unicode):
|
|
entry = entry.encode('utf-8')
|
|
|
|
if depth > max_depth and max_depth != 0: # we do not want to search the whole file system except if max_depth = 0
|
|
return []
|
|
if os.path.isdir(entry): # a dir? recurse
|
|
logger.debug(u'Scanning directory %s with depth %d/%d' % (entry, depth, max_depth))
|
|
result = []
|
|
for e in os.listdir(entry):
|
|
result.extend(scan(os.path.join(entry, e), max_depth, scan_filter, depth + 1))
|
|
return result
|
|
if os.path.isfile(entry) or depth == 0:
|
|
logger.debug(u'Scanning file %s with depth %d/%d' % (entry, depth, max_depth))
|
|
if depth != 0: # trust the user: only check for valid format if recursing
|
|
if mimetypes.guess_type(entry)[0] not in MIMETYPES and os.path.splitext(entry)[1] not in EXTENSIONS:
|
|
return []
|
|
if scan_filter is not None and scan_filter(entry):
|
|
return []
|
|
video = Video.from_path(entry)
|
|
return [(video, video.scan())]
|
|
logger.warning(u'Scanning entry %s failed with depth %d/%d' % (entry, depth, max_depth))
|
|
return [] # anything else
|
|
|
|
|
|
def hash_opensubtitles(path):
|
|
"""Compute a hash using OpenSubtitles' algorithm
|
|
|
|
:param string path: path
|
|
:return: hash
|
|
:rtype: string
|
|
|
|
"""
|
|
longlongformat = 'q' # long long
|
|
bytesize = struct.calcsize(longlongformat)
|
|
with open(path, 'rb') as f:
|
|
filesize = os.path.getsize(path)
|
|
filehash = filesize
|
|
if filesize < 65536 * 2:
|
|
return None
|
|
for _ in range(65536 / bytesize):
|
|
filebuffer = f.read(bytesize)
|
|
(l_value,) = struct.unpack(longlongformat, filebuffer)
|
|
filehash += l_value
|
|
filehash = filehash & 0xFFFFFFFFFFFFFFFF # to remain as 64bit number
|
|
f.seek(max(0, filesize - 65536), 0)
|
|
for _ in range(65536 / bytesize):
|
|
filebuffer = f.read(bytesize)
|
|
(l_value,) = struct.unpack(longlongformat, filebuffer)
|
|
filehash += l_value
|
|
filehash = filehash & 0xFFFFFFFFFFFFFFFF
|
|
returnedhash = '%016x' % filehash
|
|
logger.debug(u'Computed OpenSubtitle hash %s for %s' % (returnedhash, path))
|
|
return returnedhash
|
|
|
|
|
|
def hash_thesubdb(path):
|
|
"""Compute a hash using TheSubDB's algorithm
|
|
|
|
:param string path: path
|
|
:return: hash
|
|
:rtype: string
|
|
|
|
"""
|
|
readsize = 64 * 1024
|
|
if os.path.getsize(path) < readsize:
|
|
return None
|
|
with open(path, 'rb') as f:
|
|
data = f.read(readsize)
|
|
f.seek(-readsize, os.SEEK_END)
|
|
data += f.read(readsize)
|
|
returnedhash = hashlib.md5(data).hexdigest()
|
|
logger.debug(u'Computed TheSubDB hash %s for %s' % (returnedhash, path))
|
|
return returnedhash
|