如果你查看运行应用的终端会话,将看到stack trace(堆栈跟踪)。堆栈跟踪在调试错误时非常有用,因为它们显示堆栈中调用的顺序,一直到产生错误的行: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 (venv)$ flask run*Serving Flask app"microblog"*Running on http://127.0.0.1:5000/(PressCTRL+Cto quit)[201...
如果你查看运行应用的终端会话,将看到stack trace(堆栈跟踪)。堆栈跟踪在调试错误时非常有用,因为它们显示堆栈中调用的顺序,一直到产生错误的行: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 (venv)$ flask run*Serving Flask app"microblog"*Running on http://127.0.0.1:5000/(PressCTRL+Cto quit)[201...
如果你查看运行应用的终端会话,将看到stack trace(堆栈跟踪)。堆栈跟踪在调试错误时非常有用,因为它们显示堆栈中调用的顺序,一直到产生错误的行: (venv) $ flask run * Serving Flask app "microblog" * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit) [2017-09-14 22:40:02,027] ERROR in...
(爆炸声) 这将带来一个可怕的“Internal Server Error”页面: 如果你查看运行应用的终端会话,将看到stack trace(堆栈跟踪)。堆栈跟踪在调试错误时非常有用,因为它们显示堆栈中调用的顺序,一直到产生错误的行: (venv) $ flask run * Serving Flask app "microblog" * Running on http://127.0.0.1:5000/ (Press...
(cls, *args, **kwargs) File "/home/wwwroot/luejiao.com/flask/lib/python3.6/site-packages/flask_wtf/form.py", line 157, in __init__ ), stacklevel=3) File "/usr/local/lib/python3.6/warnings.py", line 101, in _showwarnmsg _showwarnmsg_impl(msg) File "/usr/local/lib/python3.6...
(sql_str,args)# 提交操作,我们配置连接是自动提交,所以下面提交步骤也可省略conn.commit()self.app.logger.info(f"sql执行结果:{data}")exceptExceptionase:cursor.close()conn.close()self.app.logger.warning(f"执行sql失败!- 失败信息:{e}")raiseeconn.close()returndata# 单例模式,全局连接均从这里取...
Only open the session if the request has not been pushed onto the context stack yet. This allows stream_with_context generators to access the same session that the containing view uses. #2354 Add json keyword argument for the test client request methods. This will dump the given object as ...
stacklevel=2, )return_get_ident()# type: ignore 流程篇 启动时调用run方法 classFlask(_PackageBoundObject): ...# step 0defrun(self, host=None, port=None, debug=None, load_dotenv=True, **options):"""Runs the application on a local development server. ...
others). The request context internally works like a stack: The topmost level on the stack is...
As such it is the perfect place to store database connection information and other things. The internal stack object is called flask.appctx_stack. Extensions are free to store additional information on the topmost level, assuming they pick a sufficiently unique name and ...