2
我正在使用urllib2將數據發佈到表單。問題是表單回覆302重定向。根據Python HTTPRedirectHandler重定向處理程序將採取請求並將其從POST轉換爲GET並遵循301或302.我想保留POST方法和傳遞給opener的數據。通過簡單地將data = req.get_data()添加到新的請求中,我在自定義HTTPRedirectHandler上做了一次不成功的嘗試。如何使python urllib2遵循重定向並保留post方法
我確信這已經完成了,所以我想我會發一個帖子。
注意:這與this post和this one類似,但我不想阻止重定向我只想保留POST數據。
這裏是我的化HTTPRedirectHandler不起作用
class MyHTTPRedirectHandler(urllib2.HTTPRedirectHandler):
def redirect_request(self, req, fp, code, msg, headers, newurl):
"""Return a Request or None in response to a redirect.
This is called by the http_error_30x methods when a
redirection response is received. If a redirection should
take place, return a new Request to allow http_error_30x to
perform the redirect. Otherwise, raise HTTPError if no-one
else should try to handle this url. Return None if you can't
but another Handler might.
"""
m = req.get_method()
if (code in (301, 302, 303, 307) and m in ("GET", "HEAD")
or code in (301, 302, 303) and m == "POST"):
# Strictly (according to RFC 2616), 301 or 302 in response
# to a POST MUST NOT cause a redirection without confirmation
# from the user (of urllib2, in this case). In practice,
# essentially all clients do redirect in this case, so we
# do the same.
# be conciliant with URIs containing a space
newurl = newurl.replace(' ', '%20')
return Request(newurl,
headers=req.headers,
data=req.get_data(),
origin_req_host=req.get_origin_req_host(),
unverifiable=True)
else:
raise HTTPError(req.get_full_url(), code, msg, headers, fp)
您是在公共互聯網上使用的表單嗎?我對如何診斷正在發生的事情有一些想法,但還沒有正確的答案。不過,我想調查一下。 – 2009-08-11 04:38:50