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深入了解一下PYTHON中关于SOCKETSERVER的模块-B

2015-09-16 13:12 846 查看

请求多个文件的原型。

这个是最草的情况，就是硬编码到内存中的字符串，

真实的应用还是会转到其它端口处理，或是读到硬盘上的文件吧。

#!/usr/bin/env python

from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
import time

starttime = time.time()

class RequestHandler(BaseHTTPRequestHandler):
"""Definintion of the request hadnler."""
def _writeheaders(self, doc):
"""Write the HTTP headers for the document. If there is no
documnet, send a 404 error code;"""
if doc is None:
self.send_response(404)
else:
self.send_response(200)
#Always server up HTML for now.
self.send_header('Content-type', 'text/html')
self.end_headers()

def _getdoc(self, filename):
"""Handle a request for a document """
global starttime
if filename == '/':
return """
<HTML><HEAD><TITLE>sample python page</TITLE></HEAD>
<BODY> THIS IS A SAMPLE PAGE.
</BODY></HTML>
"""
elif filename == '/stats.html':
return """
<HTML><HEAD><TITLE>Status</TITLE></HEAD>
<BODY> This server has veen running for %d seconds.
</BODY></HTML>
""" % int(time.time() - starttime)
else:
return None

def do_HEAD(self):
"""Handle a request for headers only"""
doc = self._getdoc(self.path)
self._writeheaders(doc)

def do_GET(self):
"""Handle a request for headers and body"""
doc = self._getdoc(self.path)
self._writeheaders(doc)
if doc is None:
self.wfile.write("""
<HTML><HEAD><TITLE>Not found</TITLE></HEAD>
<BODY> The requested document '%s' was not found.
</BODY></HTML>""" % self.path)
else:
self.wfile.write(doc)
serveraddr = ('',8765)
srvr = HTTPServer(serveraddr, RequestHandler)
srvr.serve_forever()

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