根据IP通过sogou接口获取地理位置相关信息

ip2addr.py

def ip2addr(ip):
	import urllib
	import httplib
	import chardet #字符集检测Module,返回dict
	
	config = {
		'api_host':'www.sogou.com',
		'api_script':'/websearch/features/ipsearch.jsp'
	}
	
	params = {'ip':ip}
	params = urllib.urlencode(params)
	headers = {"Accept": "text/html"}
	conn = httplib.HTTPConnection(config['api_host'], 80, timeout=10)
	conn.request("GET",config['api_script']+'?'+params)
	response = conn.getresponse()
	if response.status == 200 :
		data = response.read()
		tmp_arr = data.split('>')
		if 2 == len(tmp_arr) :
			tmp_addr = tmp_arr[1].strip().lstrip().rstrip()
			addr = tmp_addr[0:len(tmp_addr)-3]
			curr_coding = chardet.detect(addr) #检测字符集，转为UTF8输出
			print curr_coding
			return addr.decode(curr_coding['encoding']).encode('UTF-8')
		return ''
	conn.close()
	return ''