[YoutubeDL] Implement --write-all-thumbnails (Closes #2269)

This commit is contained in:
Philipp Hagemeister 2015-01-25 03:11:12 +01:00
parent cfb56d1af3
commit ec82d85acd
3 changed files with 43 additions and 19 deletions

View File

@ -146,6 +146,7 @@ class YoutubeDL(object):
writeinfojson: Write the video description to a .info.json file
writeannotations: Write the video annotations to a .annotations.xml file
writethumbnail: Write the thumbnail image to a file
write_all_thumbnails: Write all thumbnail formats to files
writesubtitles: Write the video subtitles to a file
writeautomaticsub: Write the automatic subtitles to a file
allsubtitles: Downloads all the subtitles of the video
@ -1210,25 +1211,7 @@ def process_info(self, info_dict):
self.report_error('Cannot write metadata to JSON file ' + infofn)
return
if self.params.get('writethumbnail', False):
if info_dict.get('thumbnail') is not None:
thumb_format = determine_ext(info_dict['thumbnail'], 'jpg')
thumb_filename = os.path.splitext(filename)[0] + '.' + thumb_format
if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(thumb_filename)):
self.to_screen('[%s] %s: Thumbnail is already present' %
(info_dict['extractor'], info_dict['id']))
else:
self.to_screen('[%s] %s: Downloading thumbnail ...' %
(info_dict['extractor'], info_dict['id']))
try:
uf = self.urlopen(info_dict['thumbnail'])
with open(thumb_filename, 'wb') as thumbf:
shutil.copyfileobj(uf, thumbf)
self.to_screen('[%s] %s: Writing thumbnail to: %s' %
(info_dict['extractor'], info_dict['id'], thumb_filename))
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self.report_warning('Unable to download thumbnail "%s": %s' %
(info_dict['thumbnail'], compat_str(err)))
self._write_thumbnails(info_dict, filename)
if not self.params.get('skip_download', False):
try:
@ -1676,3 +1659,39 @@ def get_encoding(self):
if encoding is None:
encoding = preferredencoding()
return encoding
def _write_thumbnails(self, info_dict, filename):
if self.params.get('writethumbnail', False):
thumbnails = info_dict.get('thumbnails')
if thumbnails:
thumbnails = [thumbnails[-1]]
elif self.params.get('write_all_thumbnails', False):
thumbnails = info_dict.get('thumbnails')
else:
return
if not thumbnails:
# No thumbnails present, so return immediately
return
for t in thumbnails:
thumb_ext = determine_ext(t['url'], 'jpg')
suffix = '_%s' % t['id'] if len(thumbnails) > 1 else ''
thumb_display_id = '%s ' % t['id'] if len(thumbnails) > 1 else ''
thumb_filename = os.path.splitext(filename)[0] + suffix + '.' + thumb_ext
if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(thumb_filename)):
self.to_screen('[%s] %s: Thumbnail %sis already present' %
(info_dict['extractor'], info_dict['id'], thumb_display_id))
else:
self.to_screen('[%s] %s: Downloading thumbnail %s...' %
(info_dict['extractor'], info_dict['id'], thumb_display_id))
try:
uf = self.urlopen(t['url'])
with open(thumb_filename, 'wb') as thumbf:
shutil.copyfileobj(uf, thumbf)
self.to_screen('[%s] %s: Writing thumbnail %sto: %s' %
(info_dict['extractor'], info_dict['id'], thumb_display_id, thumb_filename))
except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
self.report_warning('Unable to download thumbnail "%s": %s' %
(t['url'], compat_str(err)))

View File

@ -286,6 +286,7 @@ def _real_main(argv=None):
'writeannotations': opts.writeannotations,
'writeinfojson': opts.writeinfojson,
'writethumbnail': opts.writethumbnail,
'write_all_thumbnails': opts.write_all_thumbnails,
'writesubtitles': opts.writesubtitles,
'writeautomaticsub': opts.writeautomaticsub,
'allsubtitles': opts.allsubtitles,

View File

@ -638,6 +638,10 @@ def _hide_login_info(opts):
'--write-thumbnail',
action='store_true', dest='writethumbnail', default=False,
help='write thumbnail image to disk')
thumbnail.add_option(
'--write-all-thumbnails',
action='store_true', dest='write_all_thumbnails', default=False,
help='write all thumbnail image formats to disk')
thumbnail.add_option(
'--list-thumbnails',
action='store_true', dest='list_thumbnails', default=False,