Files
pytchat-fork/pytchat/tool/videoinfo.py
2020-02-16 21:37:35 +09:00

43 lines
2.1 KiB
Python

import json
import re
import requests
from .. import config
from .. import util
from ..exceptions import InvalidVideoIdException
headers = config.headers
pattern=re.compile(r"yt\.setConfig\({'PLAYER_CONFIG': ({.*})}\);")
class VideoInfo:
def __init__(self,video_id):
self.video_id = video_id
self.info = self._get_info(video_id)
def _get_info(self,video_id):
url = f"https://www.youtube.com/embed/{video_id}"
resp= requests.get(url, headers = headers)
resp.raise_for_status()
return self._parse(resp.text)
def _parse(self,html):
result = re.search(pattern, html)
res= json.loads(result.group(1))
response = res["args"].get("embedded_player_response")
if response is None:
raise InvalidVideoIdException("動画IDが無効です。")
renderer = (json.loads(response))["embedPreview"]["thumbnailPreviewRenderer"]
return {
"duration": int(renderer["videoDurationSeconds"]) if renderer.get("videoDurationSeconds") else 0,
"title" : [''.join(run["text"]) for run in renderer["title"]["runs"]][0] if renderer.get("title") else None,
"channelId" : renderer["videoDetails"]["embeddedPlayerOverlayVideoDetailsRenderer"]["channelThumbnailEndpoint"]["channelThumbnailEndpoint"]["urlEndpoint"]["urlEndpoint"]["url"][9:] if renderer.get("videoDetails") else None,
"authorProfileImage" : renderer["videoDetails"]["embeddedPlayerOverlayVideoDetailsRenderer"]["channelThumbnail"]["thumbnails"][0]["url"] if renderer.get("videoDetails") else None,
"thumbnail" : renderer["defaultThumbnail"]["thumbnails"][2]["url"] if renderer.get("defaultThumbnail") else None,
"channelName" : renderer["videoDetails"]["embeddedPlayerOverlayVideoDetailsRenderer"]["expandedRenderer"]["embeddedPlayerOverlayVideoDetailsExpandedRenderer"]["title"]["runs"][0]["text"] if renderer.get("videoDetails") else None,
"movingThumbnail" : renderer["movingThumbnail"]["thumbnails"][0]["url"] if renderer.get("movingThumbnail") else None
}
def get(self,item):
return self.info.get(item)