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future.py
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future.py
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#---------------------------------------------------------------------------------------------
# future_taoli -- get future price from Sina data source
#
# BSD license is applied to this code
# Copyright by Aixi Wang (aixi.wang@hotmail.com)
#
#---------------------------------------------------------------------------------------------
import time
import time
import random
import json
import sys
import logging
import os
import thread
from json import JSONDecoder, JSONEncoder
#import bsddb
import urllib2
VERSION = 'v0.1'
#BASE_FOLDER = ''
BASE_FOLDER = '/usr/share/nginx/www/img/'
#-------------------------------------
# global variables
#-------------------------------------
global TARGET_N1
global TARGET_N2
global SLEEP_SECS
TARGET_N1 = 'xx'
TARGET_N2 = 'xx'
SLEEP_SECS = 5
#-------------------------------------
# get_future_price
#-------------------------------------
def get_future_price(future_name='AG1512'):
try:
url = "http://hq.sinajs.cn/?_=%s/&list=%s" %(str(time.time()*1000),future_name)
#url = "http://hq.sinajs.cn/&list=%s" %(future_name)
#print 'get_future_price url:',url
f = urllib2.urlopen(url)
s = f.read()
#print s
f.close()
if (s.find('var') != 0):
#print 'get_future_price --- error!'
return -2,0
else:
s3 = s.split(',')
#print s3
if float(s3[8]) == 0:
return -3, float(s3[8])
else:
return 0, float(s3[8])
except:
return -1,0
#------------------------------
# format_time_from_linuxtime
#------------------------------
def format_time_from_linuxtime(t):
s = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(float(t)))
return s
#------------------------------
# filename_from_date
#------------------------------
def filename_from_date(t):
s = time.strftime('%Y-%m-%d.csv', time.localtime(float(t)))
return s
#-------------------
# load_config
#-------------------
def load_config(config_file):
import ConfigParser
global TARGET_N1
global TARGET_N2
global SLEEP_SECS
try:
cf = ConfigParser.ConfigParser()
cf.read(config_file)
s = cf.sections()
#o = cf.options("strategy")
#print 'options:', o
#v = cf.items("strategy")
#print 'v:', v
#EMA_LEN1 = cf.getint("strategy", "EMA_LEN1")
#DELTA_P = cf.getfloat("strategy", "DELTA_P")
TARGET_N1 = cf.get("base", "TARGET_N1")
TARGET_N2 = cf.get("base", "TARGET_N2")
SLEEP_SECS = cf.getint("base", "SLEEP_SECS")
print '------ base ---------'
print 'TARGET_N1:',TARGET_N1
print 'TARGET_N2:',TARGET_N2
print 'SLEEP_SECS:',SLEEP_SECS
return 0
except:
print 'get config file error, exit!'
return -1
#-------------------
# readfile
#-------------------
def readfile(filename):
f = file(filename,'rb')
fs = f.read()
f.close()
return fs
#-------------------
# writefile
#-------------------
def writefile(filename,content):
f = file(filename,'wb')
fs = f.write(content)
f.close()
return
#-------------------
# writefile2
#-------------------
def writefile2(filename,content):
f = file(filename,'ab')
fs = f.write(content)
f.close()
return
#-------------------
# has_file
#-------------------
def has_file(filename):
if os.path.exists(filename):
return True
else:
return False
#-------------------
# remove_file
#-------------------
def remove_file(filename):
if has_file(filename):
os.remove(filename)
#-------------------
# log_one_record
#-------------------
def log_one_record(s):
global TARGET_N1
global TARGET_N2
global BASE_FOLDER
writefile2(BASE_FOLDER + TARGET_N1 + '-' + TARGET_N2 + '-' + filename_from_date(time.time()),s + '\r\n')
#-------------------
# log_error
#-------------------
def log_error(s):
writefile2('error.log', format_time_from_linuxtime(time.time()) + '\t' + s + '\r\n')
#----------------------
# main
#----------------------
if __name__ == "__main__":
print 'version:' + VERSION
#load_config(sys.argv[1])
TARGET_N1 = sys.argv[1]
TARGET_N2 = sys.argv[2]
SLEEP_SECS = int(sys.argv[3])
import socket
socket.setdefaulttimeout(10)
print '\r\nstart to log data ...\r\n'
print 'TIME\t\t\t' + TARGET_N1 + '\t' + TARGET_N2 + '\t' + 'DIFF'
while True:
try:
#if 1:
# get data
ret_code1, d1 = get_future_price(TARGET_N1)
ret_code2, d2 = get_future_price(TARGET_N2)
if (ret_code1 == 0) and (ret_code2 == 0):
#--------------------------------------------------
# TODO valid checking
s = "%s,%s,%s,%s" %(format_time_from_linuxtime(time.time()),str(d1),str(d2),str(d1-d2))
s1 = "%s\t%s\t%s\t%s" %(format_time_from_linuxtime(time.time()),str(d1),str(d2),str(d1-d2))
print s1
log_one_record(s)
time.sleep(SLEEP_SECS)
#----------------------------------------------------
else:
log_error('get future_price errror')
print 'get future_price errror'
time.sleep(5)
except:
log_error('future_taoli exception')
print 'future_taoli exception'
time.sleep(5)