Use inline result mime to infer the result type

telethon/tl/custom/inlinebuilder.py

@@ -3,6 +3,20 @@ import hashlib
 from .. import functions, types
 from ... import utils
 
+_TYPE_TO_MIMES = {
+    'gif': ['image/gif'],  # 'video/mp4' too, but that's used for video
+    'article': ['text/html'],
+    'audio': ['audio/mpeg'],
+    'contact': [],
+    'file': ['application/pdf', 'application/zip'],  # actually any
+    'geo': [],
+    'photo': ['image/jpeg'],
+    'sticker': ['image/webp', 'application/x-tgsticker'],
+    'venue': [],
+    'video': ['video/mp4'],  # tdlib includes text/html for some reason
+    'voice': ['audio/ogg'],
+}
+
 
 class InlineBuilder:
     """
@@ -239,6 +253,8 @@ class InlineBuilder:
             type (`str`, optional):
                 The type of the document. May be one of: article, audio,
                 contact, file, geo, gif, photo, sticker, venue, video, voice.
+                It will be automatically set if ``mime_type`` is specified,
+                and default to ``'file'`` if no matching mime type is found.
 
             include_media (`bool`, optional):
                 Whether the document file used to display the result should be
@@ -270,7 +286,14 @@ class InlineBuilder:
         if type is None:
             if voice_note:
                 type = 'voice'
-            else:
+            elif mime_type:
+                for ty, mimes in _TYPE_TO_MIMES.items():
+                    for mime in mimes:
+                        if mime_type == mime:
+                            type = ty
+                            break
+
+            if type is None:
                 type = 'file'
 
         try:

telethon_generator/data/errors.csv

@@ -9,6 +9,7 @@ ADMIN_RANK_INVALID,400,The given admin title or rank was invalid (possibly large
 API_ID_INVALID,400,The api_id/api_hash combination is invalid
 API_ID_PUBLISHED_FLOOD,400,"This API id was published somewhere, you can't use it now"
 ARTICLE_TITLE_EMPTY,400,The title of the article is empty
+AUDIO_TITLE_EMPTY,400,The title attribute of the audio must be non-empty
 AUTH_BYTES_INVALID,400,The provided authorization is invalid
 AUTH_KEY_DUPLICATED,406,"The authorization key (session file) was used under two different IP addresses simultaneously, and can no longer be used. Use the same session exclusively, or use different sessions"
 AUTH_KEY_INVALID,401,The key is invalid

telethon_generator/data/methods.csv

@@ -282,7 +282,7 @@ messages.setBotPrecheckoutResults,both,ERROR_TEXT_EMPTY
 messages.setBotShippingResults,both,QUERY_ID_INVALID
 messages.setEncryptedTyping,user,CHAT_ID_INVALID
 messages.setGameScore,bot,PEER_ID_INVALID USER_BOT_REQUIRED
-messages.setInlineBotResults,bot,ARTICLE_TITLE_EMPTY BUTTON_DATA_INVALID BUTTON_TYPE_INVALID BUTTON_URL_INVALID MESSAGE_EMPTY PHOTO_CONTENT_URL_EMPTY PHOTO_THUMB_URL_EMPTY QUERY_ID_INVALID REPLY_MARKUP_INVALID RESULT_TYPE_INVALID SEND_MESSAGE_MEDIA_INVALID SEND_MESSAGE_TYPE_INVALID START_PARAM_INVALID STICKER_DOCUMENT_INVALID USER_BOT_INVALID WEBDOCUMENT_URL_INVALID
+messages.setInlineBotResults,bot,ARTICLE_TITLE_EMPTY AUDIO_TITLE_EMPTY BUTTON_DATA_INVALID BUTTON_TYPE_INVALID BUTTON_URL_INVALID MESSAGE_EMPTY PHOTO_CONTENT_URL_EMPTY PHOTO_THUMB_URL_EMPTY QUERY_ID_INVALID REPLY_MARKUP_INVALID RESULT_TYPE_INVALID SEND_MESSAGE_MEDIA_INVALID SEND_MESSAGE_TYPE_INVALID START_PARAM_INVALID STICKER_DOCUMENT_INVALID USER_BOT_INVALID WEBDOCUMENT_URL_INVALID
 messages.setInlineGameScore,bot,MESSAGE_ID_INVALID USER_BOT_REQUIRED
 messages.setTyping,both,CHANNEL_INVALID CHANNEL_PRIVATE CHAT_ID_INVALID CHAT_WRITE_FORBIDDEN PEER_ID_INVALID USER_BANNED_IN_CHANNEL USER_IS_BLOCKED USER_IS_BOT
 messages.startBot,user,BOT_INVALID PEER_ID_INVALID START_PARAM_EMPTY START_PARAM_INVALID