Modify usage of videoinfo

pytchat/tool/__init__.py

@@ -0,0 +1,3 @@
+from . videoinfo import VideoInfo
+def videoinfo(video_id):
+    return VideoInfo(video_id)

pytchat/tool/downloader.py

@@ -5,10 +5,11 @@ import traceback
 from urllib.parse import quote
 
 from . import parser
+from . import videoinfo
 from .. import config
 from .. import util
 from .. paramgen import arcparam
-
+from ..exceptions import InvalidVideoIdException
 logger = config.logger(__name__)
 headers=config.headers
 
@@ -268,4 +269,4 @@ def check_duplicate(blocks):
     for i in range(len(blocks)-1):
         if  ( is_same_offset(i) and is_same_id(i) and is_same_type(i) ):
             ret.append(blocks[i])
-    return ret
+    return ret

pytchat/tool/videoinfo.py

@@ -7,24 +7,32 @@ from ..exceptions import InvalidVideoIdException
 headers = config.headers
 pattern=re.compile(r"yt\.setConfig\({'PLAYER_CONFIG': ({.*})}\);")
 
-def _parse(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("Invalid video_id.")
-    renderer = (json.loads(response))["embedPreview"]["thumbnailPreviewRenderer"]
-    return {
-        "duration": int(renderer["videoDurationSeconds"]),
-        "title" : [''.join(run["text"]) for run in renderer["title"]["runs"]][0],
-        "channelId" : renderer["videoDetails"]["embeddedPlayerOverlayVideoDetailsRenderer"]["channelThumbnailEndpoint"]["channelThumbnailEndpoint"]["urlEndpoint"]["urlEndpoint"]["url"][9:]
-    }
+class VideoInfo:
+    def __init__(self,video_id):
+        self.video_id = video_id
+        self.info = self._get_info(video_id)
 
-def get_info(video_id):
-    url = f"https://www.youtube.com/embed/{video_id}"
-    resp= requests.get(url, headers = headers)
-    resp.raise_for_status()
-    return  _parse(resp.text)
+    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"]),
+            "title" : [''.join(run["text"]) for run in renderer["title"]["runs"]][0],
+            "channelId" : renderer["videoDetails"]["embeddedPlayerOverlayVideoDetailsRenderer"]["channelThumbnailEndpoint"]["channelThumbnailEndpoint"]["urlEndpoint"]["urlEndpoint"]["url"][9:]
+        }
+
+    def get(self,item):
+        return self.info.get(item)