mod_python登录注销

#coding=utf-8
from config import *
from mod_python import Session
import md5

def html(body): # HTML头,保证中文显示正常
    return """

-Type" content="text/html" charset="utf-8">
""" + body + '
'

def a(req): # 显示登录状态
    session=Session.Session(req)
    if session.has_key('user'): return u'已登录注销'
    else: return u'登录'

def less(req): # 左侧页面
    return html( a(req) + \
u' 里程列表:' + \
''.join([" %s " %km.s for km in kms]) + '')

def login_form(): # 登录框
    return html("""
./login" method="POST">
    用户名: " name="username">
    密码:  " name="password">
    " value="登录" />
""")

def login(req,username,password):
    session=Session.Session(req)
    p = '3f572fcb0f9af03848738946954b8c43'
    if username == 'tky' and md5.new(password).hexdigest() == p:
        session['user'] = username
        session.save()
        return html(u'登录成功点这儿返回')
    return html(u'用户名或密码错误点这儿返回'

def logout(req):
    session=Session.Session(req)
    del session['user']
    session.save()
    return html(u'注销成功点这儿返回')