正确地url编码用户代理

Question

我是Python新手,似乎遇到了问题.我正在尝试urlencode用户代理字符串...

import urllib

UserAgent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.3 Gecko/2008092417 Firefox/3.0.3'
print 'Agent: ' + UserAgent
print urllib.urlencode(UserAgent)

结果导致......

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.3 Gecko/2008092417 Firefox/3.0.3
Traceback (most recent call last):
  File "D:\Source\SomePath\test.py", line 7, in <module>
    print urllib.urlencode(UserAgent)
  File "C:\Python26\lib\urllib.py", line 1254, in urlencode
    raise TypeError
TypeError: not a valid non-string sequence or mapping object
Press any key to continue . . .

我只能假设虽然UserAgent正确打印,但我要么在途中错过了一些字符串转义选项,要么犯了一个根本性的错误urllib.urlencode()？

Answer 1

urllib.urlencode期望每个都有两个项目的映射或序列.从文档中可以看出

在您的代码中,您需要执行以下操作:

urllib.urlencode({'Agent': UserAgent})