#!python3
import sys, getopt, time, socket
import contextlib

iqfeed_host="127.0.0.1"
iqfeed_port=9100
timeout=10.0
chunk_size=65535

with contextlib.closing(socket.create_connection((iqfeed_host, iqfeed_port))) as iqfeed_socket:
  iqfeed_socket.settimeout(timeout)

  #msg="SST\n"                          #Request a list of Security Types from the feed.
  #msg="SLM\n"                          #Request a list of Listed Markets from the feed.
  #msg = "CEO,AAL,pc,ABCDEFGHIJKL,,\n"  #Get option chain 

  msg="EDS,2,14,20220204,TEST\n"        #End of Day Summary -- 2,IEOPTION,Index/Equity Option,  14,OPRA,OPRA System,

  iqfeed_socket.sendall(msg.encode('ascii'))

  loop = True
  while loop == True:
    chunk = iqfeed_socket.recv(chunk_size).decode("utf-8").strip()
    print(chunk)

    if chunk.endswith("!ENDMSG!,"):
      loop = False
    elif chunk.endswith("E,!SYNTAX_ERROR!,"):
      loop = False