Add Null primitive data type

compiler/api/compiler.py

@@ -125,6 +125,7 @@ class Compiler:
 
             f.write("\n    0xbc799737: \"core.BoolFalse\",")
             f.write("\n    0x997275b5: \"core.BoolTrue\",")
+            f.write("\n    0x56730bcc: \"core.Null\",")
             f.write("\n    0x1cb5c415: \"core.Vector\",")
             f.write("\n    0x73f1f8dc: \"core.MsgContainer\",")
             f.write("\n    0xae500895: \"core.FutureSalts\",")

compiler/api/source/main_api.tl

@@ -7,7 +7,7 @@
 ---types---
 
 // boolFalse#bc799737 = Bool;  // Parsed manually
-// boolTrue#997275b5 = Bool;  // parsed manually
+// boolTrue#997275b5 = Bool;  // Parsed manually
 
 // true#3fedd339 = True;  // Not used
 
@@ -15,7 +15,7 @@
 
 // error#c4b9f9bb code:int text:string = Error;  // Not used
 
-// null#56730bcc = Null;  // Not used
+// null#56730bcc = Null;  // Parsed manually
 
 inputPeerEmpty#7f3b18ea = InputPeer;
 inputPeerSelf#7da07ec9 = InputPeer;

pyrogram/api/core/primitives/__init__.py

@@ -20,5 +20,6 @@ from .bool import Bool, BoolTrue, BoolFalse
 from .bytes import Bytes
 from .double import Double
 from .int import Int, Long, Int128, Int256
+from .null import Null
 from .string import String
 from .vector import Vector

pyrogram/api/core/primitives/null.py

@@ -0,0 +1,32 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017 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/>.
+
+from io import BytesIO
+
+from ..object import Object
+
+
+class Null(Object):
+    ID = 0x56730bcc
+
+    @staticmethod
+    def read(b: BytesIO, *args) -> None:
+        return None
+
+    def __new__(cls) -> bytes:
+        return int.to_bytes(cls.ID, 4, "little")