Add on_inline_query decorator

pyrogram/client/methods/decorators/__init__.py

@@ -19,6 +19,7 @@
 from .on_callback_query import OnCallbackQuery
 from .on_deleted_messages import OnDeletedMessages
 from .on_disconnect import OnDisconnect
+from .on_inline_query import OnInlineQuery
 from .on_message import OnMessage
 from .on_raw_update import OnRawUpdate
 from .on_user_status import OnUserStatus
@@ -30,6 +31,7 @@ class Decorators(
     OnCallbackQuery,
     OnRawUpdate,
     OnDisconnect,
-    OnUserStatus
+    OnUserStatus,
+    OnInlineQuery
 ):
     pass

pyrogram/client/methods/decorators/on_inline_query.py

@@ -0,0 +1,50 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+import pyrogram
+from pyrogram.client.filters.filter import Filter
+from ...ext import BaseClient
+
+
+class OnInlineQuery(BaseClient):
+    def on_inline_query(self, filters=None, group: int = 0):
+        """Use this decorator to automatically register a function for handling
+        inline queries. This does the same thing as :meth:`add_handler` using the
+        :class:`InlineQueryHandler`.
+
+        Args:
+            filters (:obj:`Filters <pyrogram.Filters>`):
+                Pass one or more filters to allow only a subset of inline queries to be passed
+                in your function.
+
+            group (``int``, *optional*):
+                The group identifier, defaults to 0.
+        """
+
+        def decorator(func):
+            handler = pyrogram.InlineQueryHandler(func, filters)
+
+            if isinstance(self, Filter):
+                return pyrogram.InlineQueryHandler(func, self), group if filters is None else filters
+
+            if self is not None:
+                self.add_handler(handler, group)
+
+            return handler, group
+
+        return decorator