mirror of
https://git.sr.ht/~cadence/NewLeaf
synced 2024-11-14 20:17:29 +00:00
74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
import requests
|
|
from extractors.video import extract_video
|
|
from tools.converters import escape_html_textcontent, get_subtitle_api_url
|
|
from urllib.parse import urlencode
|
|
import xml.etree.ElementTree as ET
|
|
|
|
def extract_captions(id, **kwargs):
|
|
captions = extract_captions_from_api(id)
|
|
return extract_captions_from_dict(captions, **kwargs)
|
|
|
|
# Return captions for the language specified,
|
|
# The captions list otherwise
|
|
def extract_captions_from_dict(captions, **kwargs):
|
|
lang = None
|
|
label = None
|
|
|
|
if "lang" in kwargs:
|
|
lang = kwargs["lang"]
|
|
elif "label" in kwargs:
|
|
label = kwargs["label"]
|
|
else:
|
|
return captions
|
|
|
|
for subtitle in captions["captions"]:
|
|
if lang == subtitle["languageCode"] or label == subtitle["label"]:
|
|
url = subtitle["second__subtitleUrl"]
|
|
|
|
with requests.get(url) as r:
|
|
r.raise_for_status()
|
|
return r.content.decode("utf8")
|
|
|
|
# Currently unused in favour of extract_captions_from_api.
|
|
def extract_captions_from_video(id):
|
|
return {
|
|
"captions": extract_video(id)["captions"]
|
|
}
|
|
|
|
# no automatic captions
|
|
def extract_captions_from_api(id):
|
|
url = "https://video.google.com/timedtext?hl=en&type=list&v=%s" % id
|
|
with requests.get(url) as r:
|
|
r.raise_for_status()
|
|
|
|
transcript = ET.fromstring(r.content.decode("utf8"))
|
|
tracks = transcript.findall("track")
|
|
|
|
captions = []
|
|
result = {
|
|
"captions": captions
|
|
}
|
|
|
|
for track in tracks:
|
|
language_code = track.attrib["lang_code"]
|
|
label = track.get("name", default=language_code)
|
|
subtitle_api_url = get_subtitle_api_url(id, label, language_code)
|
|
|
|
params = urlencode({
|
|
"lang": language_code,
|
|
"v": id,
|
|
"fmt": "vtt",
|
|
"name": label
|
|
})
|
|
|
|
subtitle_url = "https://www.youtube.com/api/timedtext?" + params
|
|
|
|
captions.append({
|
|
"label": label if label != "" else language_code,
|
|
"languageCode": language_code,
|
|
"url": subtitle_api_url,
|
|
"second__subtitleUrl": subtitle_url
|
|
})
|
|
|
|
return result
|