#forex.py
#coding:utf-8

'''

urllib.request.urlopen() function in Python 3 is equivalent to urllib2.urlopen() in Python2

urllib.request.Request() function in Python 3 is equivalent to urllib2.Request() in Python2

'''

#python3.5

import urllib.request

#python2.7

#import urllib

#import urllib2

import re

def Gethtml(url, referer):

    user_agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:53.0) Gecko/20100101 Firefox/53.0"

    headers={"User-agent":user_agent,'referer':referer}

    #python3.5

    req=urllib.request.Request(url,headers=headers)

    response=urllib.request.urlopen(req,timeout=10)

    #python2.7

    #req=urllib2.Request(url,headers=headers)

    #response=urllib2.urlopen(req,timeout=10)

    return response.read()

url=referer="http://quote.forex.hexun.com/EURUSD.shtml"

html = str(Gethtml(url, referer))

reg = r'([0-1]{1}\.[0-9]{4})'

i = re.compile(reg)

r = re.findall(i, html)

print("Hexun ERUUSD:\nCur   |     Open |  Yesterday  |  Low  |  High")

print(r)

referer是反盗链，服务器会识别headers中的referer是不是它自己，如果不是，有的服务器不会响应，timeout=10 是超时设定。

参考：