Victor Stinner's patch to make telnetlib use bytes 3725

Doc/library/telnetlib.rst

@@ -225,14 +225,14 @@ A simple example illustrating typical use::
 
    tn = telnetlib.Telnet(HOST)
 
-   tn.read_until("login: ")
-   tn.write(user + "\n")
+   tn.read_until(b"login: ")
+   tn.write(user.encode('ascii') + b"\n")
    if password:
-       tn.read_until("Password: ")
-       tn.write(password + "\n")
+       tn.read_until(b"Password: ")
+       tn.write(password.encode('ascii') + b"\n")
 
-   tn.write("ls\n")
-   tn.write("exit\n")
+   tn.write(b"ls\n")
+   tn.write(b"exit\n")
 
    print(tn.read_all())
 

Misc/NEWS

@@ -31,6 +31,8 @@ Core and Builtins
 Library
 -------
 
+- telnetlib now works completely in bytes.
+
 - Issue #4072: Restore build_py_2to3.
 
 - Issue #4014: Don't claim that Python has an Alpha release status, in addition