get_trades.py

import os
import requests
import time
import datetime
import argparse
import unicodecsv as csv


def get_trades(currency="BRL", since=0, trade_list=[]):
  headers = {
    'user-agent': 'blinktrade_tools/0.1',
    'Content-Type': 'application/json',
  }
  url = 'https://bitcambioapi.blinktrade.com/api/v1/%s/trades?since=%s' % ( currency, since)
  return requests.get(url, verify=True, headers=headers).json()


def main():
  parser = argparse.ArgumentParser(description="Get trades application")

  parser.add_argument('-s', "--since",
                      action="store",
                      dest="since",
                      help='since tid',
                      default=0,
                      type=int)

  parser.add_argument('-o', "--output",
                      action="store",
                      dest="output_filename",
                      help='Output filename', type=str)

  arguments = parser.parse_args()

  trades = get_trades("BRL", arguments.since) 

  if arguments.output_filename:
    f = open( arguments.output_filename, 'wt')
    try:
      headers = ['tid', 'trade_dt', 'side', 'price', 'amount']
      writer = csv.DictWriter(f, fieldnames=headers)
      writer.writerow(dict( (n,n) for n in headers))

      for t in trades:
        t['trade_dt'] = datetime.datetime.fromtimestamp( t['date'] ).strftime('%Y-%m-%d %H:%M:%S')
        del t['date']
        writer.writerow(t)
 
    finally:
      f.close()
    return 

  for t in trades:
    t['trade_dt'] = datetime.datetime.fromtimestamp( t['date'] ).strftime('%Y-%m-%d %H:%M:%S')
    print t['tid'] , ',' , t['trade_dt'], ',' , t['side'], ',' , t['price'], ',' , t['amount']

if __name__ == "__main__":
  main()