Automatically Trigger /compat TagHint by Regex (#131)

Co-authored-by: Hinrich Mahler <22366557+Bibo-Joshi@users.noreply.github.com>

Author: bqback

components/callbacks.py

@@ -507,3 +507,18 @@ async def command_token_warning(update: Update, context: ContextTypes.DEFAULT_TY
 
     if message.reply_to_message:
         await _token_warning(message.reply_to_message, context)
+
+
+async def compat_warning(update: Update, _: ContextTypes.DEFAULT_TYPE) -> None:
+    """When someone posts an error message indicative of a compatibility issue:
+    Reply with the /compat taghint
+    """
+    message = cast(Message, update.effective_message)
+
+    # Get the compat hint
+    hint = TAG_HINTS["compat"]
+
+    await message.reply_text(
+        hint.html_markup(),
+        reply_markup=hint.inline_keyboard,
+    )

components/const.py

@@ -230,3 +230,11 @@
     "associated with."
 )
 TOKEN_TEXT = "⚠️ You posted a token, go revoke it with @BotFather.\n\n"
+
+COMPAT_ERRORS = re.compile(
+    r"""
+    (Updater\._{0,2}init_{0,2}\(\)\ got\ an\ )?
+    unexpected\ keyword\ argument\ ['"]*(use_context|token|use_controls|dispatcher)['"]*
+    """,
+    flags=re.VERBOSE,
+)

rules_bot.py

@@ -28,6 +28,7 @@
     ban_sender_channels,
     buy,
     command_token_warning,
+    compat_warning,
     delete_message,
     leave_chat,
     off_on_topic,
@@ -44,6 +45,7 @@
 from components.const import (
     ALLOWED_CHAT_IDS,
     ALLOWED_USERNAMES,
+    COMPAT_ERRORS,
     ERROR_CHANNEL_CHAT_ID,
     OFFTOPIC_CHAT_ID,
     OFFTOPIC_USERNAME,
@@ -169,6 +171,9 @@ def main() -> None:
     # Tag hints - works with regex
     application.add_handler(MessageHandler(TagHintFilter(), tag_hint))
 
+    # Compat tag hint via regex
+    application.add_handler(MessageHandler(filters.Regex(COMPAT_ERRORS), compat_warning))
+
     # We need several matches so filters.REGEX is basically useless
     # therefore we catch everything and do regex ourselves
     application.add_handler(