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refactor common viewer setup Ignore-this: bfb64bb135568d6a48ade6ab48052f34 darcs-hash:287dcc6ed8dfc9e143d283b2368213646eaf16b5
author drewp <drewp@bigasterisk.com>
date Sat, 20 Apr 2019 23:53:43 -0700
parents 202edadf4351
children
line wrap: on
line source

try:
    import http.client as httplib
except ImportError:
    import httplib  # type: ignore
import cgi

class PrettyErrorHandler(object):
    """
    mix-in to improve cyclone.web.RequestHandler
    """
    def get_error_html(self, status_code, **kwargs):
        try:
            tb = kwargs['exception'].getTraceback()
        except AttributeError:
            tb = ""
        return "<html><title>%(code)d: %(message)s</title>" \
               "<body>%(code)d: %(message)s<pre>%(tb)s</pre></body></html>" % {
            "code": status_code,
            "message": httplib.responses[status_code],
            "tb" : cgi.escape(tb),
        }