First attempt at TelegramClient. Added fixes and doc

utils/binary_reader.py

@@ -1,6 +1,7 @@
 from io import BytesIO, BufferedReader
 from tl.all_tlobjects import tlobjects
 from struct import unpack
+import inspect
 import os
 
 
@@ -85,14 +86,20 @@ class BinaryReader:
 
     def tgread_object(self):
         """Reads a Telegram object"""
-        id = self.read_int()
-        clazz = tlobjects.get(id, None)
+        constructor_id = self.read_int()
+        clazz = tlobjects.get(constructor_id, None)
         if clazz is None:
             raise ImportError('Could not find a matching ID for the TLObject that was supposed to be read. '
-                              'Found ID: {}'.format(hex(id)))
+                              'Found ID: {}'.format(hex(constructor_id)))
 
-        # Instantiate the class and return the result
-        result = clazz()
+        # Now we need to determine the number of parameters of the class, so we can
+        # instantiate it with all of them set to None, and still, no need to write
+        # the default =None in all the classes, thus forcing the user to provide a real value
+        sig = inspect.signature(clazz.__init__)
+        params = [None] * (len(sig.parameters) - 1)  # Subtract 1 (self)
+        result = clazz(*params)  # https://docs.python.org/3/tutorial/controlflow.html#unpacking-argument-lists
+
+        # Finally, read the object and return the result
         result.on_response(self)
         return result
 
@@ -100,7 +107,6 @@ class BinaryReader:
 
     def close(self):
         self.reader.close()
-        # TODO Do I need to close the underlying stream?
 
     # region Position related