Export replaychat

pytchat/parser/replay.py

@@ -0,0 +1,52 @@
+import json
+from .. import config
+from .. import mylogger
+from .. exceptions import ( 
+    ResponseContextError, 
+    NoContentsException, 
+    NoContinuationsException )
+
+
+logger = mylogger.get_logger(__name__,mode=config.LOGGER_MODE)
+
+
+class Parser:
+    def parse(self, jsn):
+        if jsn is None: 
+            return {'timeoutMs':0,'continuation':None},[]
+        if jsn['response']['responseContext'].get('errors'):
+            raise ResponseContextError('動画に接続できません。'
+        '動画IDが間違っているか、動画が削除／非公開の可能性があります。')
+        contents=jsn['response'].get('continuationContents')
+        #配信が終了した場合、もしくはチャットデータが取得できない場合
+        if contents is None:
+            raise NoContentsException('チャットデータを取得できませんでした。')
+
+        cont = contents['liveChatContinuation']['continuations'][0]
+        if cont is None:
+            raise NoContinuationsException('Continuationがありません。')
+        metadata = cont.get('liveChatReplayContinuationData')
+        if metadata is None:
+            unknown = list(cont.keys())[0]
+            if unknown:
+                metadata = cont.get(unknown)
+        
+        actions = contents['liveChatContinuation'].get('actions')
+        if actions is None:
+            raise NoContentsException('チャットデータを取得できませんでした。')
+        interval = self.get_interval(actions)
+        metadata.setdefault("timeoutMs",interval)
+        chatdata = []
+        for action in actions:
+            chatdata.append(action["replayChatItemAction"]["actions"][0])
+        return metadata, chatdata
+
+    def get_interval(self, actions: list):
+        if actions is None:
+            return 0
+        start = int(actions[0]["replayChatItemAction"]["videoOffsetTimeMsec"])
+        last = int(actions[-1]["replayChatItemAction"]["videoOffsetTimeMsec"])
+        return (last - start)
+
+
+