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Add --list-thumbnails

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This commit is contained in:
Philipp Hagemeister 2015-01-25 02:38:47 +01:00
parent 1e10802990
commit cfb56d1af3
7 changed files with 80 additions and 10 deletions
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11
test/test_utils.py
View File

@ -52,6 +52,7 @@ from youtube_dl.utils import (
urlencode_postdata,
version_tuple,
xpath_with_ns,
render_table,
)
@ -434,5 +435,15 @@ ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
self.assertTrue(is_html( # UTF-32-LE
b'\xFF\xFE\x00\x00<\x00\x00\x00h\x00\x00\x00t\x00\x00\x00m\x00\x00\x00l\x00\x00\x00>\x00\x00\x00\xe4\x00\x00\x00'))
def test_render_table(self):
self.assertEqual(
render_table(
['a', 'bcd'],
[[123, 4], [9999, 51]]),
'a bcd\n'
'123 4\n'
'9999 51')
if __name__ == '__main__':
unittest.main()

35
youtube_dl/YoutubeDL.py
View File

@ -54,6 +54,7 @@ from .utils import (
PostProcessingError,
platform_name,
preferredencoding,
render_table,
SameFileError,
sanitize_filename,
std_headers,
@ -221,6 +222,8 @@ class YoutubeDL(object):
youtube-dl servers for debugging.
sleep_interval: Number of seconds to sleep before each download.
external_downloader: Executable of the external downloader to call.
listformats: Print an overview of available video formats and exit.
list_thumbnails: Print a table of all thumbnails and exit.
The following parameters are not used by YoutubeDL itself, they are used by
@ -916,9 +919,14 @@ class YoutubeDL(object):
info_dict['playlist_index'] = None
thumbnails = info_dict.get('thumbnails')
if thumbnails is None:
thumbnail = info_dict.get('thumbnail')
if thumbnail:
thumbnails = [{'url': thumbnail}]
if thumbnails:
thumbnails.sort(key=lambda t: (
t.get('width'), t.get('height'), t.get('url')))
t.get('preference'), t.get('width'), t.get('height'),
t.get('id'), t.get('url')))
for t in thumbnails:
if 'width' in t and 'height' in t:
t['resolution'] = '%dx%d' % (t['width'], t['height'])
@ -990,9 +998,12 @@ class YoutubeDL(object):
# element in the 'formats' field in info_dict is info_dict itself,
# wich can't be exported to json
info_dict['formats'] = formats
if self.params.get('listformats', None):
if self.params.get('listformats'):
self.list_formats(info_dict)
return
if self.params.get('list_thumbnails'):
self.list_thumbnails(info_dict)
return
req_format = self.params.get('format')
if req_format is None:
@ -1500,9 +1511,27 @@ class YoutubeDL(object):
header_line = line({
'format_id': 'format code', 'ext': 'extension',
'resolution': 'resolution', 'format_note': 'note'}, idlen=idlen)
self.to_screen('[info] Available formats for %s:\n%s\n%s' %
self.to_screen(
'[info] Available formats for %s:\n%s\n%s' %
(info_dict['id'], header_line, '\n'.join(formats_s)))
def list_thumbnails(self, info_dict):
thumbnails = info_dict.get('thumbnails')
if not thumbnails:
tn_url = info_dict.get('thumbnail')
if tn_url:
thumbnails = [{'id': '0', 'url': tn_url}]
else:
self.to_screen(
'[info] No thumbnails present for %s' % info_dict['id'])
return
self.to_screen(
'[info] Thumbnails for %s:' % info_dict['id'])
self.to_screen(render_table(
['ID', 'width', 'height', 'URL'],
[[t['id'], t.get('width', 'unknown'), t.get('height', 'unknown'), t['url']] for t in thumbnails]))
def urlopen(self, req):
""" Start an HTTP download """

1
youtube_dl/__init__.py
View File

@ -331,6 +331,7 @@ def _real_main(argv=None):
'call_home': opts.call_home,
'sleep_interval': opts.sleep_interval,
'external_downloader': opts.external_downloader,
'list_thumbnails': opts.list_thumbnails,
}
with YoutubeDL(ydl_opts) as ydl:

2
youtube_dl/extractor/common.py
View File

@ -129,7 +129,9 @@ class InfoExtractor(object):
something like "4234987", title "Dancing naked mole rats",
and display_id "dancing-naked-mole-rats"
thumbnails: A list of dictionaries, with the following entries:
* "id" (optional, string) - Thumbnail format ID
* "url"
* "preference" (optional, int) - quality of the image
* "width" (optional, int)
* "height" (optional, int)
* "resolution" (optional, string "{width}x{height"},

16
youtube_dl/extractor/testtube.py
View File

@ -1,7 +1,10 @@
from __future__ import unicode_literals
from .common import InfoExtractor
from ..utils import int_or_none
from ..utils import (
int_or_none,
qualities,
)
class TestTubeIE(InfoExtractor):
@ -46,13 +49,22 @@ class TestTubeIE(InfoExtractor):
self._sort_formats(formats)
duration = int_or_none(info.get('duration'))
images = info.get('images')
thumbnails = None
preference = qualities(['mini', 'small', 'medium', 'large'])
if images:
thumbnails = [{
'id': thumbnail_id,
'url': img_url,
'preference': preference(thumbnail_id)
} for thumbnail_id, img_url in images.items()]
return {
'id': video_id,
'display_id': display_id,
'title': info['title'],
'description': info.get('summary'),
'thumbnail': info.get('images', {}).get('large'),
'thumbnails': thumbnails,
'uploader': info.get('show', {}).get('name'),
'uploader_id': info.get('show', {}).get('slug'),
'duration': duration,

15
youtube_dl/options.py
View File

@ -614,10 +614,6 @@ def parseOpts(overrideArguments=None):
'--write-annotations',
action='store_true', dest='writeannotations', default=False,
help='write video annotations to a .annotation file')
filesystem.add_option(
'--write-thumbnail',
action='store_true', dest='writethumbnail', default=False,
help='write thumbnail image to disk')
filesystem.add_option(
'--load-info',
dest='load_info_filename', metavar='FILE',
@ -637,6 +633,16 @@ def parseOpts(overrideArguments=None):
action='store_true', dest='rm_cachedir',
help='Delete all filesystem cache files')
thumbnail = optparse.OptionGroup(parser, 'Thumbnail images')
thumbnail.add_option(
'--write-thumbnail',
action='store_true', dest='writethumbnail', default=False,
help='write thumbnail image to disk')
thumbnail.add_option(
'--list-thumbnails',
action='store_true', dest='list_thumbnails', default=False,
help='Simulate and list all available thumbnail formats')
postproc = optparse.OptionGroup(parser, 'Post-processing Options')
postproc.add_option(
'-x', '--extract-audio',
@ -702,6 +708,7 @@ def parseOpts(overrideArguments=None):
parser.add_option_group(selection)
parser.add_option_group(downloader)
parser.add_option_group(filesystem)
parser.add_option_group(thumbnail)
parser.add_option_group(verbosity)
parser.add_option_group(workarounds)
parser.add_option_group(video_format)

8
youtube_dl/utils.py
View File

@ -1659,3 +1659,11 @@ def determine_protocol(info_dict):
return 'f4m'
return compat_urllib_parse_urlparse(url).scheme
def render_table(header_row, data):
""" Render a list of rows, each as a list of values """
table = [header_row] + data
max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)]
format_str = ' '.join('%-' + compat_str(ml + 1) + 's' for ml in max_lens[:-1]) + '%s'
return '\n'.join(format_str % tuple(row) for row in table)