comp/omp/ie.py

126 lines
4.4 KiB
Python

# ie.py - Omni Media Player infomation extractor
# This file is part of comp
#
# comp is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# comp program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with comp. If not, see <http://www.gnu.org/licenses/>.
#
# Copyright (C) 2017 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
import json
from os.path import abspath, expanduser, expandvars, isfile
from time import gmtime, sleep, strftime
from urllib.request import urlretrieve
from youtube_dl import YoutubeDL
from mpv import MPV
DEFAULT_ENTRY = {'filename': '', 'title': '', 'duration': '00:00:00',
'error': False, 'playing': False, 'selected': False}
JSON_KEYS = 'filename', 'title', 'duration', 'error', 'selected'
class YoutubeDLLogger:
def debug(self, msg): pass
def warning(self, msg): pass
def error(self, msg): pass
def json_extract_info(filename):
"""Return list of entries extracted from a file using json. If an
error occur during the extraction, return None.
"""
try:
if not isfile(filename):
filename = urlretrieve(filename)[0]
with open(filename) as f: raw_info, info = json.load(f), []
for i in raw_info:
e = DEFAULT_ENTRY.copy()
for k in e:
if k in i and isinstance(i[k], type(e[k])): e[k] = i[k]
info.append(e)
except:
return None
else:
return info
def mpv_extract_info(filename):
"""Return list of entries extracted from a path or URL using mpv. If
an error occur during the extraction, return None.
"""
mp = MPV(ytdl=True, vid=False)
mp.play(filename)
while mp.duration is None:
sleep(0.25)
if mp.playback_abort: return None
info = {'filename': filename, 'title': mp.media_title.decode(),
'duration': mp.osd.duration, 'error': False, 'playing': False,
'selected': False}
mp.quit()
return [info]
def ytdl_extract_info(filename):
"""Return list of entries extracted from a path or URL using
youtube-dl. If an error occur during the extraction, return None.
"""
ytdl_opts = {'logger': YoutubeDLLogger(), 'default_search': 'ytsearch',
'extract_flat': 'in_playlist'}
with YoutubeDL(ytdl_opts) as ytdl:
try:
raw_info = ytdl.extract_info(filename, download=False)
except:
return None
info = raw_info.get('entries', [raw_info])
for i in info:
if 'webpage_url' in i:
i['filename'] = i['webpage_url']
elif (i.get('ie_key') == 'Youtube'
or i.get('extractor') == 'youtube'):
i['filename'] = 'https://youtu.be/' + i['id']
else:
i['filename'] = i['url']
if 'title' not in i:
try:
i['title'] = ytdl.extract_info(i['filename'],
download=False)['title']
except:
return None
if 'duration' not in i:
i['duration'] = '00:00:00'
elif isinstance(i['duration'], int):
i['duration'] = strftime('%H:%M:%S', gmtime(i['duration']))
for k in 'error', 'playing', 'selected': i.setdefault(k, False)
for k in i.copy():
if k not in DEFAULT_ENTRY: i.pop(k)
return info
def extract_info(filename, extractor='youtube-dl'):
"""Return list of entries extracted from a path or URL using
specified extractor. If an error occur during the extraction,
return None.
The extractor could be either 'json', 'mpv' or 'youtube-dl' and
fallback to 'youtube-dl'.
"""
if isfile(expanduser(expandvars(filename))):
filename = abspath(expanduser(expandvars(filename)))
if extractor == 'json':
return json_extract_info(filename)
elif extractor == 'mpv':
return mpv_extract_info(filename)
else:
return ytdl_extract_info(filename)