2012-10-03 77 views
14

我在this site上找到了一個腳本,用於通過命令行使用python運行一個簡單的服務器。如何使用python的BaseHTTPServer/SimpleHTTPServer調試POST請求?

我添加了一些print行,因爲我想通過命令行打印出GET和POST參數的請求,但我似乎無法讓它們出現在任何地方。

如果我只是打印了我們的s變量(pprint (vars(s)))我最終看到這樣的:

{'client_address': ('127.0.0.1', 53373), 
'close_connection': 1, 
'command': 'GET', 
'connection': <socket._socketobject object at 0x10b6560c0>, 
'headers': <mimetools.Message instance at 0x10b689ab8>, 
'path': '/favicon.ico', 
'raw_requestline': 'GET /favicon.ico HTTP/1.1\r\n', 
'request': <socket._socketobject object at 0x10b6560c0>, 
'request_version': 'HTTP/1.1', 
'requestline': 'GET /favicon.ico HTTP/1.1', 
'rfile': <socket._fileobject object at 0x10b6538d0>, 
'server': <BaseHTTPServer.HTTPServer instance at 0x10b6893f8>, 
'wfile': <socket._fileobject object at 0x10b6536d0>} 

我試圖然後使用print命令與每個指標的,(pprint (vars(s.connection))),但不工作。

下面是修改後的腳本:

#!/usr/bin/python 
import time 
import BaseHTTPServer 
from pprint import pprint 

HOST_NAME = 'localhost' # !!!REMEMBER TO CHANGE THIS!!! 
PORT_NUMBER = 9000 # Maybe set this to 9000. 


class MyHandler(BaseHTTPServer.BaseHTTPRequestHandler): 
     def do_HEAD(s): 
       s.send_response(200) 
       s.send_header("Content-type", "text/html") 
       s.end_headers() 
     def do_GET(s): 
       """Respond to a GET request.""" 
       s.send_response(200) 
       s.send_header("Content-type", "text/html") 
       s.end_headers() 
       s.wfile.write("<html><head><title>Title goes here.</title></head>") 
       s.wfile.write("<body><form action='.' method='POST'><input name='x' value='1' /><input type='submit' /></form><p>This is a test.</p>") 
       # If someone went to "http://something.somewhere.net/foo/bar/", 
       # then s.path equals "/foo/bar/". 
       s.wfile.write("<p>GET: You accessed path: %s</p>" % s.path) 
       s.wfile.write("</body></html>") 
       pprint (vars(s)) 
     def do_POST(s): 
       """Respond to a POST request.""" 
       s.send_response(200) 
       s.send_header("Content-type", "text/html") 
       s.end_headers() 
       s.wfile.write("<html><head><title>Title goes here.</title></head>") 
       s.wfile.write("<body><p>This is a test.</p>") 
       s.wfile.write("<body><form action='.' method='POST'><input type='text' name='xxxxxxxxxxxx' value='0000000000000000000000' /><input type='submit' /></form><p>This is a test.</p>") 
       # If someone went to "http://something.somewhere.net/foo/bar/", 
       # then s.path equals "/foo/bar/". 
       s.wfile.write("<p>POST: You accessed path: %s</p>" % s.path) 
       s.wfile.write("</body></html>") 
       pprint (vars(s)) 
       pprint (vars(s.connection)) 
       pprint (vars(s.headers)) 
       pprint (vars(s.request)) 
       pprint (vars(s.rfile)) 
       pprint (vars(s.server)) 
       pprint (vars(s.wfile)) 
       pprint (vars(s.fp)) 
       """pprint (vars(s.request))""" 

if __name__ == '__main__': 
     server_class = BaseHTTPServer.HTTPServer 
     httpd = server_class((HOST_NAME, PORT_NUMBER), MyHandler) 
     print time.asctime(), "Server Starts - %s:%s" % (HOST_NAME, PORT_NUMBER) 
     try: 
       httpd.serve_forever() 
     except KeyboardInterrupt: 
       pass 
     httpd.server_close() 
     print time.asctime(), "Server Stops - %s:%s" % (HOST_NAME, PORT_NUMBER) 

我怎樣才能打印出POST,並使用一個簡單的腳本GET參數?

通過命令行所需的輸出看起來是這樣的:

1.0.0.127. - - [03/Oct/2012 16:02:05] "POST/HTTP/1.1" 200 - 
foo=1 
bar=2 
bis=3 

回答

23

這不是極其明顯,但處理器使用幕後插座。所以你需要從套接字讀取原始數據,然後解釋它。

使用urlparse模塊。

  • 在Python 2中,你需要urlparse.parse_qs
  • 在Python 3中,庫被重命名爲:你想要urllib.parse.parse_qs

進口urlparse,然後修改do_POST方法,像這樣:

def do_POST(s): 
     """Respond to a POST request.""" 

     # Extract and print the contents of the POST 
     length = int(s.headers['Content-Length']) 
     post_data = urlparse.parse_qs(s.rfile.read(length).decode('utf-8')) 
     for key, value in post_data.iteritems(): 
      print "%s=%s" % (key, value) 

     s.send_response(200) 
     s.send_header("Content-type", "text/html") 
     s.end_headers() 
     ... 

設置一個簡單的測試客戶端:

#!/usr/bin/env python 

import urllib 
import urllib2 

url = 'http://localhost:9000' 
post_dict = {'foo' : 1, 
      'bar' : 2, 
      'bis' : 3} 

params = urllib.urlencode(post_dict) 
post_req = urllib2.Request(url) 
post_req.add_data(params) 

response = urllib2.urlopen(post_req) 
response_data = response.read() 
response.close() 
print response_data 

啓動服務器,然後再運行客戶端:

[email protected]$ python http_server.py 
Wed Oct 3 21:38:51 2012 Server Starts - localhost:9000 
foo=[u'1'] 
bar=[u'2'] 
bis=[u'3'] 
+0

這應該是'baz'不'bis' :) –

+0

@Piotr Dobrogost - 只需遵循OP的例子 - 把它與他! :) –

5

你可以使用cgi模塊而不是urlparsecgi實現了開箱即解析POST參數。使用經過充分測試的庫似乎更好。

import cgi

def do_POST(self): 
    form = cgi.FieldStorage(
     fp=self.rfile, 
     headers=self.headers, 
     environ={"REQUEST_METHOD": "POST"} 
    ) 

    for item in form.list: 
     print "%s=%s" % (item.name, item.value)