#!/usr/bin/env python

def main():
    API_KEY = 'YOUR-API-KEY'
    SECRET = 'you-api-secret'
    DAILY_LIMIT_USD = 24000
    WITHDRAW_ADDRESS = 'your-xmr-address'
    WITHDRAW_CURRENCY = 'XMR'
    WITHDRAW_CURRENCY_NAME = 'monero'

    amount = DAILY_LIMIT_USD / usdValue(WITHDRAW_CURRENCY_NAME.lower())

    # Documentation: https://poloniex.com/support/api/
    p = poloniex(API_KEY, SECRET)

    print("Withdrawing %s" % amount)
    print(p.api_query('withdraw', {'currency': WITHDRAW_CURRENCY,
                                    'amount': amount,
                                    'address': WITHDRAW_ADDRESS}))

## -----------------------------------------------------

import urllib
import urllib2
import json
import time
import hmac,hashlib

def usdValue(currency):
    ret = urllib2.urlopen(urllib2.Request('https://api.coinmarketcap.com/v1/ticker/%s/?convert=USD' % currency))
    data = json.loads(ret.read())
    return float(data[0]['price_usd'])

def createTimeStamp(datestr, format="%Y-%m-%d %H:%M:%S"):
    return time.mktime(time.strptime(datestr, format))

class poloniex:
    def __init__(self, APIKey, Secret):
        self.APIKey = APIKey
        self.Secret = Secret

    def post_process(self, before):
        after = before

        # Add timestamps if there isnt one but is a datetime
        if('return' in after):
            if(isinstance(after['return'], list)):
                for x in xrange(0, len(after['return'])):
                    if(isinstance(after['return'][x], dict)):
                        if('datetime' in after['return'][x] and 'timestamp' not in after['return'][x]):
                            after['return'][x]['timestamp'] = float(createTimeStamp(after['return'][x]['datetime']))

        return after

    def api_query(self, command, req={}):

        if(command == "returnTicker" or command == "return24Volume"):
            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/public?command=' + command))
            return json.loads(ret.read())
        elif(command == "returnOrderBook"):
            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/public?command=' + command + '&currencyPair=' + str(req['currencyPair'])))
            return json.loads(ret.read())
        elif(command == "returnMarketTradeHistory"):
            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/public?command=' + "returnTradeHistory" + '&currencyPair=' + str(req['currencyPair'])))
            return json.loads(ret.read())
        else:
            req['command'] = command
            req['nonce'] = int(time.time()*1000)
            post_data = urllib.urlencode(req)

            sign = hmac.new(self.Secret, post_data, hashlib.sha512).hexdigest()
            headers = {
                'Sign': sign,
                'Key': self.APIKey
            }

            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/tradingApi', post_data, headers))
            jsonRet = json.loads(ret.read())
            return self.post_process(jsonRet)

if __name__ == '__main__':
    main()