def error(self, status=500, allowredirect = True, close = True, showerror = None, headers = []):
if showerror is None:
showerror = self.showerrorinfo
if self._sendHeaders:
if showerror:
typ, exc, tb = sys.exc_info()
if exc:
for m in self.write('<span style="white-space:pre-wrap">\n', buffering = False):
yield m
for m in self.writelines((self.nl2br(self.escape(v)) for v in traceback.format_exception(typ, exc, tb)), buffering = False):
yield m
for m in self.write('</span>\n', close, False):
yield m
elif allowredirect and status in self.protocol.errorrewrite:
for m in self.rewrite(self.protocol.errorrewrite[status], b'GET'):
yield m
elif allowredirect and status in self.protocol.errorredirect:
for m in self.redirect(self.protocol.errorredirect[status]):
yield m
else:
self.startResponse(status, headers)
typ, exc, tb = sys.exc_info()
if showerror and exc:
for m in self.write('<span style="white-space:pre-wrap">\n', buffering = False):
yield m
for m in self.writelines((self.nl2br(self.escape(v)) for v in traceback.format_exception(typ, exc, tb)), buffering = False):
yield m
for m in self.write('</span>\n', close, False):
yield m
else:
for m in self.write(b'<h1>' + _createstatus(status) + b'</h1>', close, False):
yield m
def basicauthfail(self, realm=b'all'):
"""
Return 401 for authentication failure. This will end the handler.
"""
if not isinstance(realm, bytes):
realm = realm.encode('ascii')
self.start_response(
401, [(b'WWW-Authenticate', b'Basic realm="' + realm + b'"')])
self.exit(b'<h1>' + _createstatus(401) + b'</h1>')
def basicauthfail(self, realm=b'all'):
if not isinstance(realm, bytes):
realm = realm.encode('ascii')
self.startResponse(
401, [(b'WWW-Authenticate', b'Basic realm="' + realm + b'"')])
self.exit(b'<h1>' + _createstatus(401) + b'</h1>')