2009-08-09 75 views
2

如何查看正在发回的消息以及对urllib shttp请求的消息?如果它是简单的http,我只会看套接字流量,但当然这不适用于https。有没有我可以设置的调试标志,这将做到这一点?python urllib,如何看邮件?

import urllib 
params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': 0}) 
f = urllib.urlopen("https://example.com/cgi-bin/query", params) 

回答

1

不,没有调试标志来看这个。

你可以使用你最喜欢的调试器。这是最简单的选择。只需在urlopen函数中添加一个断点即可完成。

另一种办法是写自己的下载功能:

def graburl(url, **params): 
    print "LOG: Going to %s with %r" % (url, params) 
    params = urllib.urlencode(params) 
    return urllib.urlopen(url, params) 

而且使用这样的:

f = graburl("https://example.com/cgi-bin/query", spam=1, eggs=2, bacon=0) 
2

你总是可以做mokeypatching

import httplib 

# override the HTTPS request class 

class DebugHTTPS(httplib.HTTPS): 
    real_putheader = httplib.HTTPS.putheader 
    def putheader(self, *args, **kwargs): 
     print 'putheader(%s,%s)' % (args, kwargs) 
     result = self.real_putheader(self, *args, **kwargs) 
     return result 

httplib.HTTPS = DebugHTTPS 



# set a new default urlopener 

import urllib 

class DebugOpener(urllib.FancyURLopener): 
    def open(self, *args, **kwargs): 
     result = urllib.FancyURLopener.open(self, *args, **kwargs) 
     print 'response:' 
     print result.headers 
     return result 

urllib._urlopener = DebugOpener() 


params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': 0}) 
f = urllib.urlopen("https://www.google.com/", params) 
一点点

给出输出

putheader(('Content-Type', 'application/x-www-form-urlencoded'),{}) 
putheader(('Content-Length', '21'),{}) 
putheader(('Host', 'www.google.com'),{}) 
putheader(('User-Agent', 'Python-urllib/1.17'),{}) 
response: 
Content-Type: text/html; charset=UTF-8 
Content-Length: 1363 
Date: Sun, 09 Aug 2009 12:49:59 GMT 
Server: GFE/2.0