def error_handler(self, e, request, meth, em_format): """ Override this method to add handling of errors customized for your needs """ if settings.DEBUG: raise if isinstance(e, FormValidationError): return self.form_validation_response(e) elif isinstance(e, TypeError): result = rc.BAD_REQUEST hm = HandlerMethod(meth) sig = hm.signature msg = 'Method signature does not match.\n\n' if sig: msg += 'Signature should be: %s' % sig else: msg += 'Resource does not expect any parameters.' if self.display_errors: msg += '\n\nException was: %s' % str(e) result.content = format_error(msg) return result elif isinstance(e, Http404): return rc.NOT_FOUND elif isinstance(e, HttpStatusCode): return e.response else: """ On errors (like code errors), we'd like to be able to give crash reports to both admins and also the calling user. There's two setting parameters for this: Parameters:: - `PISTON_EMAIL_ERRORS`: Will send a Django formatted error email to people in `settings.ADMINS`. - `PISTON_DISPLAY_ERRORS`: Will return a simple traceback to the caller, so he can tell you what error they got. If `PISTON_DISPLAY_ERRORS` is not enabled, the caller will receive a basic "500 Internal Server Error" message. """ exc_type, exc_value, tb = sys.exc_info() rep = ExceptionReporter(request, exc_type, exc_value, tb.tb_next) if self.email_errors: self.email_exception(rep) if self.display_errors: return HttpResponseServerError( format_error('\n'.join(rep.format_exception()))) else: raise
Parameters:: - `PISTON_EMAIL_ERRORS`: Will send a Django formatted error email to people in `settings.ADMINS`. - `PISTON_DISPLAY_ERRORS`: Will return a simple traceback to the caller, so he can tell you what error they got. If `PISTON_DISPLAY_ERRORS` is not enabled, the caller will receive a basic "500 Internal Server Error" message. """ exc_type, exc_value, tb = sys.exc_info() rep = ExceptionReporter(request, exc_type, exc_value, tb.tb_next) if self.email_errors: self.email_exception(rep) if self.display_errors: return HttpResponseServerError(format_error("\n".join(rep.format_exception()))) else: raise emitter, ct = Emitter.get(em_format) srl = emitter(result, typemapper, handler, handler.fields, anonymous) try: """ Decide whether or not we want a generator here, or we just want to buffer up the entire result before sending it to the client. Won't matter for smaller datasets, but larger will have an impact. """ if self.stream: stream = srl.stream_render(request)