Added native support for Python's datetime object

Now you can make up your Telegram Requests by using
the built-in `datetime` instead of manually parsing it

utils/binary_reader.py

@@ -1,3 +1,4 @@
+from datetime import datetime
 from io import BytesIO, BufferedReader
 from tl.all_tlobjects import tlobjects
 from struct import unpack
@@ -95,6 +96,11 @@ class BinaryReader:
         else:
             raise ValueError('Invalid boolean code {}'.format(hex(value)))
 
+    def tgread_date(self):
+        """Reads and converts Unix time (used by Telegram) into a Python datetime object"""
+        value = self.read_int()
+        return None if value == 0 else datetime.fromtimestamp(value)
+
     def tgread_object(self):
         """Reads a Telegram object"""
         constructor_id = self.read_int(signed=False)

utils/binary_writer.py

@@ -83,12 +83,17 @@ class BinaryWriter:
 
     def tgwrite_string(self, string):
         """Write a string by using Telegram guidelines"""
-        return self.tgwrite_bytes(string.encode('utf-8'))
+        self.tgwrite_bytes(string.encode('utf-8'))
 
     def tgwrite_bool(self, boolean):
         """Write a boolean value by using Telegram guidelines"""
         #                     boolTrue                boolFalse
-        return self.write_int(0x997275b5 if boolean else 0xbc799737, signed=False)
+        self.write_int(0x997275b5 if boolean else 0xbc799737, signed=False)
+
+    def tgwrite_date(self, datetime):
+        """Converts a Python datetime object into Unix time (used by Telegram) and writes it"""
+        value = 0 if datetime is None else int(datetime.timestamp())
+        self.write_int(value)
 
     # endregion