Fix zero-datetime not working in some systems

pyrogram/methods/chats/ban_chat_member.py

@@ -29,7 +29,7 @@ class BanChatMember:
         self: "pyrogram.Client",
         chat_id: Union[int, str],
         user_id: Union[int, str],
-        until_date: datetime = datetime.fromtimestamp(0)
+        until_date: datetime = utils.zero_datetime()
     ) -> Union["types.Message", bool]:
         """Ban a user from a group, a supergroup or a channel.
         In the case of supergroups and channels, the user will not be able to return to the group on their own using

pyrogram/methods/chats/restrict_chat_member.py

@@ -30,7 +30,7 @@ class RestrictChatMember:
         chat_id: Union[int, str],
         user_id: Union[int, str],
         permissions: "types.ChatPermissions",
-        until_date: datetime = datetime.fromtimestamp(0)
+        until_date: datetime = utils.zero_datetime()
     ) -> "types.Chat":
         """Restrict a user in a supergroup.
 

pyrogram/methods/invite_links/edit_chat_invite_link.py

@@ -51,7 +51,7 @@ class EditChatInviteLink:
 
             expire_date (:py:obj:`~datetime.datetime`, *optional*):
                 Point in time when the link will expire.
-                Defaults to None (no change), pass ``datetime.fromtimestamp(0)`` to set no expiration date.
+                Defaults to None (no change), pass None to set no expiration date.
 
             member_limit (``int``, *optional*):
                 Maximum number of users that can be members of the chat simultaneously after joining the chat via this

pyrogram/methods/messages/get_chat_history.py

@@ -30,7 +30,7 @@ async def get_chunk(
     limit: int = 0,
     offset: int = 0,
     from_message_id: int = 0,
-    from_date: datetime = datetime.fromtimestamp(0)
+    from_date: datetime = utils.zero_datetime()
 ):
     messages = await client.invoke(
         raw.functions.messages.GetHistory(
@@ -56,7 +56,7 @@ class GetChatHistory:
         limit: int = 0,
         offset: int = 0,
         offset_id: int = 0,
-        offset_date: datetime = datetime.fromtimestamp(0)
+        offset_date: datetime = utils.zero_datetime()
     ) -> Optional[AsyncGenerator["types.Message", None]]:
         """Get messages from a chat history.
 

pyrogram/types/user_and_chats/chat.py

@@ -514,7 +514,7 @@ class Chat(Object):
     async def ban_member(
         self,
         user_id: Union[int, str],
-        until_date: datetime = datetime.fromtimestamp(0)
+        until_date: datetime = utils.zero_datetime()
     ) -> Union["types.Message", bool]:
         """Bound method *ban_member* of :obj:`~pyrogram.types.Chat`.
 
@@ -602,7 +602,7 @@ class Chat(Object):
         self,
         user_id: Union[int, str],
         permissions: "types.ChatPermissions",
-        until_date: datetime = datetime.fromtimestamp(0),
+        until_date: datetime = utils.zero_datetime(),
     ) -> "types.Chat":
         """Bound method *unban_member* of :obj:`~pyrogram.types.Chat`.
 

pyrogram/utils.py

@@ -23,7 +23,7 @@ import hashlib
 import os
 import struct
 from concurrent.futures.thread import ThreadPoolExecutor
-from datetime import datetime
+from datetime import datetime, timezone
 from getpass import getpass
 from typing import Union, List, Dict, Optional
 
@@ -345,6 +345,10 @@ async def parse_text_entities(
     }
 
 
+def zero_datetime() -> datetime:
+    return datetime.fromtimestamp(0, timezone.utc)
+
+
 def timestamp_to_datetime(ts: Optional[int]) -> Optional[datetime]:
     return datetime.fromtimestamp(ts) if ts else None