telegram_client.py 文件源码

def send_document_file(self, input_file, entity, caption=''):
        """Sends a previously uploaded input_file
           (which should be a document) to the given entity (or input peer)"""

        # Determine mime-type and attributes
        # Take the first element by using [0] since it returns a tuple
        mime_type = guess_type(input_file.name)[0]
        attributes = [
            DocumentAttributeFilename(input_file.name)
            # TODO If the input file is an audio, find out:
            # Performer and song title and add DocumentAttributeAudio
        ]
        # Ensure we have a mime type, any; but it cannot be None
        # 'The "octet-stream" subtype is used to indicate that a body
        # contains arbitrary binary data.'
        if not mime_type:
            mime_type = 'application/octet-stream'
        self.send_media_file(
            InputMediaUploadedDocument(
                file=input_file,
                mime_type=mime_type,
                attributes=attributes,
                caption=caption),
            entity)