heckyel/yt-local
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

If thumbnail or thumbnail directory is deleted after having been downloaded, correctly detect it and redownload it

Browse Source
This commit is contained in:
James Taylor 2019-08-11 17:37:42 -07:00
parent 5a6c65774b
commit a12b73439a
1 changed files with 23 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
youtube/subscriptions.py
View File

@ -536,30 +536,37 @@ def post_subscriptions_page():
@yt_app.route('/data/subscription_thumbnails/<thumbnail>')
def serve_subscription_thumbnail(thumbnail):
'''Serves thumbnail from disk if it's been saved already. If not, downloads the thumbnail, saves to disk, and serves it.'''
assert thumbnail[-4:] == '.jpg'
video_id = thumbnail[0:-4]
thumbnail_path = os.path.join(thumbnails_directory, thumbnail)
if video_id in existing_thumbnails:
# .. is necessary because flask always uses the application directory at ./youtube, not the working directory
return flask.send_from_directory(os.path.join('..', thumbnails_directory), thumbnail)
else:
url = "https://i.ytimg.com/vi/" + video_id + "/mqdefault.jpg"
try:
image = util.fetch_url(url, report_text="Saved thumbnail: " + video_id)
except urllib.error.HTTPError as e:
print("Failed to download thumbnail for " + video_id + ": " + str(e))
abort(e.code)
try:
f = open(thumbnail_path, 'wb')
f = open(thumbnail_path, 'rb')
except FileNotFoundError:
os.makedirs(thumbnails_directory, exist_ok = True)
f = open(thumbnail_path, 'wb')
f.write(image)
f.close()
existing_thumbnails.add(video_id)
existing_thumbnails.remove(video_id)
else:
image = f.read()
f.close()
return flask.Response(image, mimetype='image/jpeg')
return flask.Response(image, mimetype='image/jpeg')
url = "https://i.ytimg.com/vi/" + video_id + "/mqdefault.jpg"
try:
image = util.fetch_url(url, report_text="Saved thumbnail: " + video_id)
except urllib.error.HTTPError as e:
print("Failed to download thumbnail for " + video_id + ": " + str(e))
abort(e.code)
try:
f = open(thumbnail_path, 'wb')
except FileNotFoundError:
os.makedirs(thumbnails_directory, exist_ok = True)
f = open(thumbnail_path, 'wb')
f.write(image)
f.close()
existing_thumbnails.add(video_id)
return flask.Response(image, mimetype='image/jpeg')