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youtube-dl/test/test_YoutubeDL.py
Jaime Marquínez Ferrándiz 67134eaba1 [YoutubeDL] rework how the format spec is processed 
The spec string is processed using 'tokenize.tokenize' to split it in words and operators, the filters are still processed using regular expressions.
This should make easier to allow grouping operators with parens.
2015-06-28 22:31:35 +02:00

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#!/usr/bin/env python
from __future__ import unicode_literals
# Allow direct execution
import os
import sys
import unittest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import copy
from test.helper import FakeYDL, assertRegexpMatches
from youtube_dl import YoutubeDL
from youtube_dl.compat import compat_str
from youtube_dl.extractor import YoutubeIE
from youtube_dl.postprocessor.common import PostProcessor
from youtube_dl.utils import match_filter_func
TEST_URL = 'http://localhost/sample.mp4'
class YDL(FakeYDL):
def __init__(self, *args, **kwargs):
super(YDL, self).__init__(*args, **kwargs)
self.downloaded_info_dicts = []
self.msgs = []
def process_info(self, info_dict):
self.downloaded_info_dicts.append(info_dict)
def to_screen(self, msg):
self.msgs.append(msg)
def _make_result(formats, **kwargs):
res = {
'formats': formats,
'id': 'testid',
'title': 'testttitle',
'extractor': 'testex',
}
res.update(**kwargs)
return res
class TestFormatSelection(unittest.TestCase):
def test_prefer_free_formats(self):
# Same resolution => download webm
ydl = YDL()
ydl.params['prefer_free_formats'] = True
formats = [
{'ext': 'webm', 'height': 460, 'url': TEST_URL},
{'ext': 'mp4', 'height': 460, 'url': TEST_URL},
]
info_dict = _make_result(formats)
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'webm')
# Different resolution => download best quality (mp4)
ydl = YDL()
ydl.params['prefer_free_formats'] = True
formats = [
{'ext': 'webm', 'height': 720, 'url': TEST_URL},
{'ext': 'mp4', 'height': 1080, 'url': TEST_URL},
]
info_dict['formats'] = formats
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'mp4')
# No prefer_free_formats => prefer mp4 and flv for greater compatibility
ydl = YDL()
ydl.params['prefer_free_formats'] = False
formats = [
{'ext': 'webm', 'height': 720, 'url': TEST_URL},
{'ext': 'mp4', 'height': 720, 'url': TEST_URL},
{'ext': 'flv', 'height': 720, 'url': TEST_URL},
]
info_dict['formats'] = formats
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'mp4')
ydl = YDL()
ydl.params['prefer_free_formats'] = False
formats = [
{'ext': 'flv', 'height': 720, 'url': TEST_URL},
{'ext': 'webm', 'height': 720, 'url': TEST_URL},
]
info_dict['formats'] = formats
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['ext'], 'flv')
def test_format_selection(self):
formats = [
{'format_id': '35', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
{'format_id': '45', 'ext': 'webm', 'preference': 2, 'url': TEST_URL},
{'format_id': '47', 'ext': 'webm', 'preference': 3, 'url': TEST_URL},
{'format_id': '2', 'ext': 'flv', 'preference': 4, 'url': TEST_URL},
]
info_dict = _make_result(formats)
ydl = YDL({'format': '20/47'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '47')
ydl = YDL({'format': '20/71/worst'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '35')
ydl = YDL()
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '2')
ydl = YDL({'format': 'webm/mp4'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '47')
ydl = YDL({'format': '3gp/40/mp4'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '35')
def test_format_selection_audio(self):
formats = [
{'format_id': 'audio-low', 'ext': 'webm', 'preference': 1, 'vcodec': 'none', 'url': TEST_URL},
{'format_id': 'audio-mid', 'ext': 'webm', 'preference': 2, 'vcodec': 'none', 'url': TEST_URL},
{'format_id': 'audio-high', 'ext': 'flv', 'preference': 3, 'vcodec': 'none', 'url': TEST_URL},
{'format_id': 'vid', 'ext': 'mp4', 'preference': 4, 'url': TEST_URL},
]
info_dict = _make_result(formats)
ydl = YDL({'format': 'bestaudio'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'audio-high')
ydl = YDL({'format': 'worstaudio'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'audio-low')
formats = [
{'format_id': 'vid-low', 'ext': 'mp4', 'preference': 1, 'url': TEST_URL},
{'format_id': 'vid-high', 'ext': 'mp4', 'preference': 2, 'url': TEST_URL},
]
info_dict = _make_result(formats)
ydl = YDL({'format': 'bestaudio/worstaudio/best'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'vid-high')
def test_format_selection_audio_exts(self):
formats = [
{'format_id': 'mp3-64', 'ext': 'mp3', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
{'format_id': 'ogg-64', 'ext': 'ogg', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
{'format_id': 'aac-64', 'ext': 'aac', 'abr': 64, 'url': 'http://_', 'vcodec': 'none'},
{'format_id': 'mp3-32', 'ext': 'mp3', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
{'format_id': 'aac-32', 'ext': 'aac', 'abr': 32, 'url': 'http://_', 'vcodec': 'none'},
]
info_dict = _make_result(formats)
ydl = YDL({'format': 'best'})
ie = YoutubeIE(ydl)
ie._sort_formats(info_dict['formats'])
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'aac-64')
ydl = YDL({'format': 'mp3'})
ie = YoutubeIE(ydl)
ie._sort_formats(info_dict['formats'])
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'mp3-64')
ydl = YDL({'prefer_free_formats': True})
ie = YoutubeIE(ydl)
ie._sort_formats(info_dict['formats'])
ydl.process_ie_result(copy.deepcopy(info_dict))
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'ogg-64')
def test_format_selection_video(self):
formats = [
{'format_id': 'dash-video-low', 'ext': 'mp4', 'preference': 1, 'acodec': 'none', 'url': TEST_URL},
{'format_id': 'dash-video-high', 'ext': 'mp4', 'preference': 2, 'acodec': 'none', 'url': TEST_URL},
{'format_id': 'vid', 'ext': 'mp4', 'preference': 3, 'url': TEST_URL},
]
info_dict = _make_result(formats)
ydl = YDL({'format': 'bestvideo'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'dash-video-high')
ydl = YDL({'format': 'worstvideo'})
ydl.process_ie_result(info_dict.copy())
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'dash-video-low')
def test_youtube_format_selection(self):
order = [
'38', '37', '46', '22', '45', '35', '44', '18', '34', '43', '6', '5', '36', '17', '13',
# Apple HTTP Live Streaming
'96', '95', '94', '93', '92', '132', '151',
# 3D
'85', '84', '102', '83', '101', '82', '100',
# Dash video
'137', '248', '136', '247', '135', '246',
'245', '244', '134', '243', '133', '242', '160',
# Dash audio
'141', '172', '140', '171', '139',
]
def format_info(f_id):
info = YoutubeIE._formats[f_id].copy()
info['format_id'] = f_id
info['url'] = 'url:' + f_id
return info
formats_order = [format_info(f_id) for f_id in order]
info_dict = _make_result(list(formats_order), extractor='youtube')
ydl = YDL({'format': 'bestvideo+bestaudio'})
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], '137+141')
self.assertEqual(downloaded['ext'], 'mp4')
for f1, f2 in zip(formats_order, formats_order[1:]):
info_dict = _make_result([f1, f2], extractor='youtube')
ydl = YDL({'format': 'best/bestvideo'})
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], f1['format_id'])
info_dict = _make_result([f2, f1], extractor='youtube')
ydl = YDL({'format': 'best/bestvideo'})
yie = YoutubeIE(ydl)
yie._sort_formats(info_dict['formats'])
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], f1['format_id'])
def test_format_filtering(self):
formats = [
{'format_id': 'A', 'filesize': 500, 'width': 1000},
{'format_id': 'B', 'filesize': 1000, 'width': 500},
{'format_id': 'C', 'filesize': 1000, 'width': 400},
{'format_id': 'D', 'filesize': 2000, 'width': 600},
{'format_id': 'E', 'filesize': 3000},
{'format_id': 'F'},
{'format_id': 'G', 'filesize': 1000000},
]
for f in formats:
f['url'] = 'http://_/'
f['ext'] = 'unknown'
info_dict = _make_result(formats)
ydl = YDL({'format': 'best[filesize<3000]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'D')
ydl = YDL({'format': 'best[filesize<=3000]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'E')
ydl = YDL({'format': 'best[filesize <= ? 3000]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'F')
ydl = YDL({'format': 'best [filesize = 1000] [width>450]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'B')
ydl = YDL({'format': 'best [filesize = 1000] [width!=450]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'C')
ydl = YDL({'format': '[filesize>?1]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'G')
ydl = YDL({'format': '[filesize<1M]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'E')
ydl = YDL({'format': '[filesize<1MiB]'})
ydl.process_ie_result(info_dict)
downloaded = ydl.downloaded_info_dicts[0]
self.assertEqual(downloaded['format_id'], 'G')
class TestYoutubeDL(unittest.TestCase):
def test_subtitles(self):
def s_formats(lang, autocaption=False):
return [{
'ext': ext,
'url': 'http://localhost/video.%s.%s' % (lang, ext),
'_auto': autocaption,
} for ext in ['vtt', 'srt', 'ass']]
subtitles = dict((l, s_formats(l)) for l in ['en', 'fr', 'es'])
auto_captions = dict((l, s_formats(l, True)) for l in ['it', 'pt', 'es'])
info_dict = {
'id': 'test',
'title': 'Test',
'url': 'http://localhost/video.mp4',
'subtitles': subtitles,
'automatic_captions': auto_captions,
'extractor': 'TEST',
}
def get_info(params={}):
params.setdefault('simulate', True)
ydl = YDL(params)
ydl.report_warning = lambda *args, **kargs: None
return ydl.process_video_result(info_dict, download=False)
result = get_info()
self.assertFalse(result.get('requested_subtitles'))
self.assertEqual(result['subtitles'], subtitles)
self.assertEqual(result['automatic_captions'], auto_captions)
result = get_info({'writesubtitles': True})
subs = result['requested_subtitles']
self.assertTrue(subs)
self.assertEqual(set(subs.keys()), set(['en']))
self.assertTrue(subs['en'].get('data') is None)
self.assertEqual(subs['en']['ext'], 'ass')
result = get_info({'writesubtitles': True, 'subtitlesformat': 'foo/srt'})
subs = result['requested_subtitles']
self.assertEqual(subs['en']['ext'], 'srt')
result = get_info({'writesubtitles': True, 'subtitleslangs': ['es', 'fr', 'it']})
subs = result['requested_subtitles']
self.assertTrue(subs)
self.assertEqual(set(subs.keys()), set(['es', 'fr']))
result = get_info({'writesubtitles': True, 'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
subs = result['requested_subtitles']
self.assertTrue(subs)
self.assertEqual(set(subs.keys()), set(['es', 'pt']))
self.assertFalse(subs['es']['_auto'])
self.assertTrue(subs['pt']['_auto'])
result = get_info({'writeautomaticsub': True, 'subtitleslangs': ['es', 'pt']})
subs = result['requested_subtitles']
self.assertTrue(subs)
self.assertEqual(set(subs.keys()), set(['es', 'pt']))
self.assertTrue(subs['es']['_auto'])
self.assertTrue(subs['pt']['_auto'])
def test_add_extra_info(self):
test_dict = {
'extractor': 'Foo',
}
extra_info = {
'extractor': 'Bar',
'playlist': 'funny videos',
}
YDL.add_extra_info(test_dict, extra_info)
self.assertEqual(test_dict['extractor'], 'Foo')
self.assertEqual(test_dict['playlist'], 'funny videos')
def test_prepare_filename(self):
info = {
'id': '1234',
'ext': 'mp4',
'width': None,
}
def fname(templ):
ydl = YoutubeDL({'outtmpl': templ})
return ydl.prepare_filename(info)
self.assertEqual(fname('%(id)s.%(ext)s'), '1234.mp4')
self.assertEqual(fname('%(id)s-%(width)s.%(ext)s'), '1234-NA.mp4')
# Replace missing fields with 'NA'
self.assertEqual(fname('%(uploader_date)s-%(id)s.%(ext)s'), 'NA-1234.mp4')
def test_format_note(self):
ydl = YoutubeDL()
self.assertEqual(ydl._format_note({}), '')
assertRegexpMatches(self, ydl._format_note({
'vbr': 10,
}), '^\s*10k$')
def test_postprocessors(self):
filename = 'post-processor-testfile.mp4'
audiofile = filename + '.mp3'
class SimplePP(PostProcessor):
def run(self, info):
with open(audiofile, 'wt') as f:
f.write('EXAMPLE')
return [info['filepath']], info
def run_pp(params, PP):
with open(filename, 'wt') as f:
f.write('EXAMPLE')
ydl = YoutubeDL(params)
ydl.add_post_processor(PP())
ydl.post_process(filename, {'filepath': filename})
run_pp({'keepvideo': True}, SimplePP)
self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
os.unlink(filename)
os.unlink(audiofile)
run_pp({'keepvideo': False}, SimplePP)
self.assertFalse(os.path.exists(filename), '%s exists' % filename)
self.assertTrue(os.path.exists(audiofile), '%s doesn\'t exist' % audiofile)
os.unlink(audiofile)
class ModifierPP(PostProcessor):
def run(self, info):
with open(info['filepath'], 'wt') as f:
f.write('MODIFIED')
return [], info
run_pp({'keepvideo': False}, ModifierPP)
self.assertTrue(os.path.exists(filename), '%s doesn\'t exist' % filename)
os.unlink(filename)
def test_match_filter(self):
class FilterYDL(YDL):
def __init__(self, *args, **kwargs):
super(FilterYDL, self).__init__(*args, **kwargs)
self.params['simulate'] = True
def process_info(self, info_dict):
super(YDL, self).process_info(info_dict)
def _match_entry(self, info_dict, incomplete):
res = super(FilterYDL, self)._match_entry(info_dict, incomplete)
if res is None:
self.downloaded_info_dicts.append(info_dict)
return res
first = {
'id': '1',
'url': TEST_URL,
'title': 'one',
'extractor': 'TEST',
'duration': 30,
'filesize': 10 * 1024,
}
second = {
'id': '2',
'url': TEST_URL,
'title': 'two',
'extractor': 'TEST',
'duration': 10,
'description': 'foo',
'filesize': 5 * 1024,
}
videos = [first, second]
def get_videos(filter_=None):
ydl = FilterYDL({'match_filter': filter_})
for v in videos:
ydl.process_ie_result(v, download=True)
return [v['id'] for v in ydl.downloaded_info_dicts]
res = get_videos()
self.assertEqual(res, ['1', '2'])
def f(v):
if v['id'] == '1':
return None
else:
return 'Video id is not 1'
res = get_videos(f)
self.assertEqual(res, ['1'])
f = match_filter_func('duration < 30')
res = get_videos(f)
self.assertEqual(res, ['2'])
f = match_filter_func('description = foo')
res = get_videos(f)
self.assertEqual(res, ['2'])
f = match_filter_func('description =? foo')
res = get_videos(f)
self.assertEqual(res, ['1', '2'])
f = match_filter_func('filesize > 5KiB')
res = get_videos(f)
self.assertEqual(res, ['1'])
def test_playlist_items_selection(self):
entries = [{
'id': compat_str(i),
'title': compat_str(i),
'url': TEST_URL,
} for i in range(1, 5)]
playlist = {
'_type': 'playlist',
'id': 'test',
'entries': entries,
'extractor': 'test:playlist',
'extractor_key': 'test:playlist',
'webpage_url': 'http://example.com',
}
def get_ids(params):
ydl = YDL(params)
# make a copy because the dictionary can be modified
ydl.process_ie_result(playlist.copy())
return [int(v['id']) for v in ydl.downloaded_info_dicts]
result = get_ids({})
self.assertEqual(result, [1, 2, 3, 4])
result = get_ids({'playlistend': 10})
self.assertEqual(result, [1, 2, 3, 4])
result = get_ids({'playlistend': 2})
self.assertEqual(result, [1, 2])
result = get_ids({'playliststart': 10})
self.assertEqual(result, [])
result = get_ids({'playliststart': 2})
self.assertEqual(result, [2, 3, 4])
result = get_ids({'playlist_items': '2-4'})
self.assertEqual(result, [2, 3, 4])
result = get_ids({'playlist_items': '2,4'})
self.assertEqual(result, [2, 4])
result = get_ids({'playlist_items': '10'})
self.assertEqual(result, [])
if __name__ == '__main__':
unittest.main()
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