幼儿园小班随笔：排排队坐“火车”

1、 werkzeug.exceptions.HTTPException.wrap.<locals>newcls: 400 Bad Request: KeyError: text /Werkzeug Debugger var TRACEBACK=140216382585264, CONSOLE_MODE=false, EVALEX=true, EVALEX_TRUSTED=false, SECRET=0ahkFwJ2JjkWA7JpnW06; werkzeug.exceptions.BadRequestKeyError werkzeug.exceptions.HTTPException

2、.wrap.<locals>newcls: 400 Bad Request: KeyError: textTraceback (most recent call last) File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 2309, in _call_ def _call_(self, environ, start_response): """The WSGI server calls the Flask application object as the WSGI

3、 application. This calls :meth:wsgi_app which can be wrapped to applying middleware.""" return self.wsgi_app(environ, start_response) def _repr_(self): return <%s %r> % ( self._class_._name_, , File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 2295, in

4、 wsgi_app try: ctx.push() response=self.full_dispatch_request() except Exception as e: error=e response=self.handle_exception(e) except: error=sys.exc_info()1 raise return response(environ, start_response) finally: File /root/anaconda3/lib/python3.7/site-packages/flask_cors/extension.py, line 161, i

5、n wrapped_function # Wrap exception handlers with cross_origin # These error handlers will still respect the behavior of the route if options.get(intercept_exceptions, True): def _after_request_decorator(f): def wrapped_function(*args, *kwargs): return cors_after_request(app.make_response(f(*args, *

6、kwargs) return wrapped_function if hasattr(app, handle_exception): app.handle_exception=_after_request_decorator( app.handle_exception) File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 1741, in handle_exception # if we want to repropagate the exception, we can attempt to # raise i

7、t with the whole traceback in case we can do that # (the function was actually called from the except part) # otherwise, we just raise the error again if exc_value is e: reraise(exc_type, exc_value, tb) else: raise e self.log_exception(exc_type, exc_value, tb) if handler is None: File /root/anaconda

8、3/lib/python3.7/site-packages/flask/_compat.py, line 35, in reraise from io import StringIO def reraise(tp, value, tb=None): if value._traceback_ is not tb: raise value.with_traceback(tb) raise value implements_to_string=_identity else: text_type=unicode File /root/anaconda3/lib/python3.7/site-packa

9、ges/flask/app.py, line 2292, in wsgi_app ctx=self.request_context(environ) error=None try: try: ctx.push() response=self.full_dispatch_request() except Exception as e: error=e response=self.handle_exception(e) except: error=sys.exc_info()1 File /root/anaconda3/lib/python3.7/site-packages/flask/app.p

10、y, line 1815, in full_dispatch_request request_started.send(self) rv=self.preprocess_request() if rv is None: rv=self.dispatch_request() except Exception as e: rv=self.handle_user_exception(e) return self.finalize_request(rv) def finalize_request(self, rv, from_error_handler=False): ""&quo

11、t;Given the return value from a view function this finalizes the request by converting it into a response and invoking the File /root/anaconda3/lib/python3.7/site-packages/flask_cors/extension.py, line 161, in wrapped_function # Wrap exception handlers with cross_origin # These error handlers will s

12、till respect the behavior of the route if options.get(intercept_exceptions, True): def _after_request_decorator(f): def wrapped_function(*args, *kwargs): return cors_after_request(app.make_response(f(*args, *kwargs) return wrapped_function if hasattr(app, handle_exception): app.handle_exception=_aft

13、er_request_decorator( app.handle_exception) File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 1718, in handle_user_exception return self.handle_http_exception(e) handler=self._find_error_handler(e) if handler is None: reraise(exc_type, exc_value, tb) return handler(e) def handle_ex

14、ception(self, e): """Default exception handling that kicks in when an exception occurs that is not caught. In debug mode the exception will File /root/anaconda3/lib/python3.7/site-packages/flask/_compat.py, line 35, in reraise from io import StringIO def reraise(tp, value, tb=None): i

15、f value._traceback_ is not tb: raise value.with_traceback(tb) raise value implements_to_string=_identity else: text_type=unicode File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 1813, in full_dispatch_request self.try_trigger_before_first_request_functions() try: request_started.s

16、end(self) rv=self.preprocess_request() if rv is None: rv=self.dispatch_request() except Exception as e: rv=self.handle_user_exception(e) return self.finalize_request(rv) def finalize_request(self, rv, from_error_handler=False): File /root/anaconda3/lib/python3.7/site-packages/flask/app.py, line 1799

17、, in dispatch_request # request came with the OPTIONS method, reply automatically if getattr(rule, provide_automatic_options, False) and req.method=OPTIONS: return self.make_default_options_response() # otherwise dispatch to the handler for that endpoint return self.view_functionsrule.endpoint(*req.

18、view_args) def full_dispatch_request(self): """Dispatches the request and on top of that performs request pre and postprocessing as well as HTTP exception catching and error handling. File /home/google/flask_main.py, line 46, in google_translate if request.method=GET: text=request.args.get("text") src=request.args.get("src") dst=request.args.get("dst") elif request.method=POST: