import httplib, 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 "%(code)d: %(message)s" \
"%(code)d: %(message)s%(tb)s
" % {
"code": status_code,
"message": httplib.responses[status_code],
"tb" : cgi.escape(tb),
}