def get_param(path):
    path=path.split("?",1)
    print len(path)
    if len(path)<2: return None
    param=path[1].split("&")
    d={}
    for i in param:
        t=i.split("=",1)
        if len(t)<2: return None
        d[t[0]]=html.fromstring(t[1]).text
        print t[0],t[1]
    return d 

import urlparse
s = "pilot?user=%3F+%3F+&txtName=123+124 HTTP/1.1"
d = urlparse.parse_qs(s)
print (d)