Receive all data in socket buffer (python)

recv_all.py

import socket
import ssl

'''
Receive all data in socket buffer, while preventing locking/blocking.
'''

sockx = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock = ssl.wrap_socket(sockx)

# Listening
try:
    text = ''
    chunk = ''
    while True:
        chunk += sock.recv()
        if not chunk:
            # Unreliable
            break
        else:
            text += chunk
except Exception:
    if text:
        pass
    else:
        return False

print text

according to this I get error
SSLError:[SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:661)

One of the solutions is using unlocked sockets and selectors. I tried to resolver this problem one day, here's my hub
https://github.com/jdrzz/Unblocking-sockets-echo-server