#!/usr/bin/python3
# -*- coding: utf-8 -*-
# -*- mode: Python -*-


'''

redis exporter
v0.1.0

A basic exporter 

LICENCE : CC

by cocoa 


'''
from __future__ import print_function
import sys
import os
import argparse
import redis
import time 

argsparser = argparse.ArgumentParser(description="Redis exporter LJ")
argsparser.add_argument("-i","--ip",help="IP address of the Redis server ",default="127.0.0.1",type=str)
argsparser.add_argument("-p","--port",help="Port of the Redis server ",default="6379",type=str)
argsparser.add_argument("-k","--key",help="Redis key to update",default="0",type=str)
argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose")
args = argsparser.parse_args()

ip = args.ip
port = args.port
key = args.key
verbose=args.verbose

def debug(*args, **kwargs):
    if( verbose == False ):
        return
    print(*args, file=sys.stderr, **kwargs)

r=redis.StrictRedis(host=ip, port=port, db=0)

try:
    while True:
      line = sys.stdin.readline()
      if line == "":
         time.sleep(0.01)
      line = line.rstrip('\n')
      line=line[1:-1]
      line = line.replace("[",'(')
      line = line.replace("]",')')
      line = "[{}]".format(line)
      if line == "[]":
        continue
      if r.set(key,line)==True:
          debug("exports::redis set("+str(key)+") to "+line)
except EOFError:
    debug("break")# no more information