关于python：我的BaseHTTPServer问题

Problems with my BaseHTTPServer

我正试图在basehttpRequestHandler的子类中创建自己的函数。

class Weblog(BaseHTTPServer.BaseHTTPRequestHandler):

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def do_HEAD(self):
self.send_response(200)
self.send_header("Content-type","text/html")
self.end_headers()
def do_GET(self):
"""Respond to a GET request."""
if self.path == '/':
do_index()
elif self.path == '/timestamp':
do_entry()
elif self.path == '/post':
do_post_form()

def do_index(self):
'''If the PATH_INFO is '/' then the weblog index should be presented'''
self.send_response(200)
self.send_header("Content-type","text/html")
self.end_headers()
post = None
content = {}
line = '<tr id="%(timestamp)s"><td>%(date)s</td>'
line += '<td>%(title)s</td></tr>'
for timestamp in weblog.list_posts():
post = storage.retrieve_post(timestamp)
if content.has_key('lines') == false:
content['lines'] = line %post
else:
content['lines'] += line %post
self.wfile.write('Add a post')
self.wfile.write('<table><tr><th>Date</th><th>Title</th></tr>%(lines)s</tables>' %content)

当我在命令行上运行它时，它会给出以下错误：

Exception happened during processing of request from ('127.0.0.1', 59808)
Traceback (most recent call last):
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py", line 281, in _handle_request_noblock
self.process_request(request, client_address)
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py", line 307, in process_request
self.finish_request(request, client_address)
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py", line 320, in finish_request
self.RequestHandlerClass(request, client_address, self)
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/SocketServer.py", line 615, in __init__
self.handle()
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py", line 329, in hand
self.handle_one_request()
File"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/BaseHTTPServer.py", line 323, in handle_one_request
method()
File"weblog.py", line 34, in do_GET
do_index()
NameError: global name 'do_index' is not defined

我在这里做错什么了吗？