def write_json(self, chunk, code=None, headers=None):
"""A convenient method that binds `chunk`, `code`, `headers` together
chunk could be any type of (str, dict, list)
"""
assert chunk is not None, 'None cound not be written in write_json'
self.set_header("Content-Type", "application/json; charset=UTF-8")
if isinstance(chunk, dict) or isinstance(chunk, list):
chunk = self.json_encode(chunk)
# convert chunk to utf8 before `RequestHandler.write()`
# so that if any error occurs, we can catch and log it
try:
chunk = utf8(chunk)
except Exception:
app_log.error('chunk encoding error, repr: %s' % repr(chunk))
raise_exc_info(sys.exc_info())
self.write(chunk)
if code:
self.set_status(code)
if headers:
for k, v in headers.items():
self.set_header(k, v)
def write_json(self, chunk, code=None, headers=None):
"""A convenient method that binds `chunk`, `code`, `headers` together
chunk could be any type of (str, dict, list)
"""
assert chunk is not None, 'None cound not be written in write_json'
self.set_header("Content-Type", "application/json; charset=UTF-8")
if isinstance(chunk, dict) or isinstance(chunk, list):
chunk = self.json_encode(chunk)
# convert chunk to utf8 before `RequestHandler.write()`
# so that if any error occurs, we can catch and log it
try:
chunk = utf8(chunk)
except Exception:
app_log.error('chunk encoding error, repr: %s' % repr(chunk))
raise_exc_info(sys.exc_info())
self.write(chunk)
if code:
self.set_status(code)
if headers:
for k, v in headers.items():
self.set_header(k, v)
def _exception_default_handler(self, e):
"""This method is a copy of tornado.web.RequestHandler._handle_request_exception
"""
if isinstance(e, HTTPError):
if e.log_message:
format = "%d %s: " + e.log_message
args = [e.status_code, self._request_summary()] + list(e.args)
app_log.warning(format, *args)
if e.status_code not in httplib.responses:
app_log.error("Bad HTTP status code: %d", e.status_code)
self.send_error(500, exc_info=sys.exc_info())
else:
self.send_error(e.status_code, exc_info=sys.exc_info())
else:
app_log.error("Uncaught exception %s\n%r", self._request_summary(), self.request, exc_info=True)
self.send_error(500, exc_info=sys.exc_info())
def _exception_default_handler(self, e):
"""This method is a copy of tornado.web.RequestHandler._handle_request_exception
"""
if isinstance(e, HTTPError):
if e.log_message:
format = "%d %s: " + e.log_message
args = [e.status_code, self._request_summary()] + list(e.args)
app_log.warning(format, *args)
if e.status_code not in httplib.responses:
app_log.error("Bad HTTP status code: %d", e.status_code)
self.send_error(500, exc_info=sys.exc_info())
else:
self.send_error(e.status_code, exc_info=sys.exc_info())
else:
app_log.error("Uncaught exception %s\n%r",
self._request_summary(),
self.request,
exc_info=True)
self.send_error(500, exc_info=sys.exc_info())