一、pyinstaller相关参数-F,–onefile 打包一个单个文件,如果你的代码都写在一个.py文件的话,可以用这个,如果是多个.py文件就别用 (这个方便)-D,–onedir 打包多个文件,在dist中生成很多依赖文件,适合以框架形式编写工具代码,我个人比较推荐这样,代码易于维护-K,–tk 在部署时包含TCL/TK-a,–ascii 不包含编码...
Theexit()function in Python stops the program from running. For example, in your program, after performing an operation, if you want to stop the program from executing at any point in time, you can use the exit() function. Here’s the syntax of the exit function in Python: It accepts ...
return self.resource def __exit__(self, exc_type, exc_val, exc_tb): release_resource(self.resource) with ManagedResource() as resource: work_with(resource) # 如果此处产生异常 ,__exit__ 方法会在异常处理完成后被调用3.3.2 实现上下文管理协议 通过实现__enter__和__exit__方法,自定义类也可...
SystemError:如果错误发生在解释其本身,会产生 SystemExit:当调用sys.exit()会产生 TypeError:结合对象或者在对象上调用函数时,如果对象类型不正确会产生 UnboundLocalError:一种NameError,特别针对局部变量名 UnicodeError:ValueError的一个子类,出现Unicode问题时产生 ValueError:如果一个函数接收到的值类型正确,但是值不合法...
4. AssertionError: View function mapping is overwriting an existing endpoint function: 1 endpoint重名报错, if view_func is not None: old_func = self.view_functions.get(endpoint) if old_func is not None and old_func != view_func:
SyntaxError: 'return' outside function Process finished with exit code 1 1. 2. 3. 这句报错提示意思是说,语法错误: 'return' 在方法外。不同于其他语言,在Python中,return只能用在方法中,如果用在别的地方,比如图中所示的独立的for循环中,就会出现这句报错信息。作为初学者,只要注意return的使用条件即可规...
TabError Raised when the indentation consists of inconsistent tabs and spaces. SystemError Raised when the interpreter detects internal error. SystemExit Raised by the sys.exit() function. TypeError Raised when a function or operation is applied to an object of an incorrect type. ...
proxy=f"http://{self.proxyHost}:{self.proxyPort}", proxy_auth=aiohttp.BasicAuth(self.prox...
In the above example, the print(1/0) statement raises an exception and we break out of function in Python.Using the sys.exit() function to break out of function in PythonThis method can be thought of as a last resort. The sys.exit() function is used to end the python program. We ...
sys.exit(child_process.returncode) 2.dxprof.py #! /usr/bin/env python#vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker nu:importreimportsysimporttime REG_SQL_WAKE= re.compile(r'Begin\s+to\s+read\s+record\s+by\s+Sql', re.IGNORECASE) ...