Chandrakanth Reddy <neelapareddycha...@gmail.com> added the comment:

Hi Eric,

Apologize for not providing the link. Below is the link which i was referring 
to:
https://docs.python.org/3.1/library/telnetlib.html

I have an already opened telnet session(established by some other user). Now if 
I again try to open a telnet session to the same serve, my server will populate 
me with some options like below:

a. Connect to Port read/write
b. Connect to Port read only
c. Do not connect, drop this connection request
d. Look at port log file
>> 

So python telnetlib module doesn't handle these options even though i use below 
code. 
#establishing connectino to the remote host 
tn = telnetlib.Telnet(HOST,PORT)
# remote server will populate the above given options and stop at '>>', so i'm 
using the below line to read '>>' and write 'a'
print(tn.read_until(">> ".encode('ascii')))
tn.write(("a".encode('ascii')))

i have created this issue after trying all possible ways and searching the web 
for a whole day. 
Let me know if there is any way to handle this.

----------

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33806>
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