python的wiki 列子.

#coding=utf-8
from newtest.wiki.models import WiKi
from django.template import loader, Context
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import render_to_response

def index(request, pagename=""):
"""显示正常页面，对页面的文字做特殊的链接处理"""
if pagename:
#查找是否已经存在页面
pages = WiKi.objects.filter(pagename=pagename)
if pages:
#存在则调用页面模板进行显示
return process('wiki/page.html', pages[0])
else:
#不存在则进入编辑画面
return render_to_response('wiki/edit.html', {'pagename':pagename})
else:
page = WiKi.objects.get(pagename='FrontPage')
return process('wiki/page.html', page)

def edit(request, pagename):
"""显示编辑存在页面"""

page = WiKi.objects.get(pagename=pagename)
return render_to_response('wiki/edit.html', {'pagename':pagename, 'content':page.content})

def save(request, pagename):
"""保存页面内容，老页面进行内容替换，新页面生成新记录"""
content = request.POST['content']

pages = WiKi.objects.filter(pagename=pagename)
if pages:
pages[0].content = content
pages[0].save()
else:
page = WiKi(pagename=pagename, content=content)
page.save()
return HttpResponseRedirect("/wiki/%s" % pagename)

import re

r = re.compile(r'\b(([A-Z]+[a-z]+){2,})\b')
def process(template, page):
"""处理页面链接，并且将回车符转为"""

t = loader.get_template(template)

content = r.sub(r'<a href="/wiki/\1" mce_href="wiki/\1">\1</a>', page.content)
#content=re.sub(r'\b(([A-Z]+[a-z]+){2,})\b',r'<a href="/wiki/\1" mce_href="wiki/\1">\1</a>',page.content)
content = re.sub(r'[\r\n]+', '<br>', content)
c = Context({'pagename':page.pagename, 'content':content},autoescape=False)
return HttpResponse(t.render(c))

views.py
from django.conf.urls.defa