Implement Combinator, DummyProcessor

pytchat/processors/combinator.py

@@ -0,0 +1,39 @@
+from .chat_processor import ChatProcessor
+
+class Combinator(ChatProcessor):
+    '''
+    Combinator combines multiple chat processors.
+    Specify processors as tuple at `processor` params of LiveChat object.
+
+    For example:
+        [constructor]
+        chat = LiveChat("video_id", processor = ( Processor1(), Processor2(), Processor3() )
+        
+        [receive return values]
+        ret1, ret2, ret3 = chat.get()
+    
+    The return values are tuple of processed chat data, 
+    the order of return depends on parameter order.
+
+    Parameter
+    ---------
+    processors : Tuple[ChatProcessor]
+        multiple processors for processing chat data
+    '''
+
+    def __init__(self, processors: tuple):
+        self.processors = processors
+
+    def process(self, chat_components: list):
+        '''
+        Called from LiveChat.get() function by user,
+        or LiveChat._listen() automatically.
+
+        Returns
+        -------
+            Tuple of chat data processed by each chat processor.
+        '''
+        return tuple([processor.process(chat_components)
+            for processor in self.processors])
+            
+