Web.py如何自定义Http404和Http500错误信息？

import web

urls = (...)
app =  web.application(urls, globals())

def notfound():
    return web.notfound("Sorry, the page you were looking for was not found.")

    # You can use template result like below, either is ok:
    #return web.notfound(render.notfound())
    #return web.notfound(str(render.notfound()))

app.notfound = notfound
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在代码中raise web.notfound()即可

class example:
    def GET(self):
        raise web.notfound()
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同理可自定义InternalError信息：

def internalerror():
    return web.internalerror("Bad, bad server. No donut for you.")

app.internalerror = internalerror
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本文链接：http://bookshadow.com/weblog/2014/03/08/webpy-404-500/
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