例子 # To warn of the deprecation of "matplotlib.name_of_module"warn_deprecated('1.4.0', name='matplotlib.name_of_module', obj_type='module')
#方法一:warnings.warn("deprecated", DeprecationWarning)#不添加DeprecationWarning是增加告警,添加DeprecationWarning是丢弃告警 #方法二:warnings.filterwarnings("ignore")#忽略告警 #方法三:warnings.simplefilter("ignore")#忽略告警
warnings.warn("this is a warning", Warning) with warnings.catch_warnings(): warnings.simplefilter("ignore") fxn() with warnings.catch_warnings(Warning): warnings.warn("this is a warning2", Warning) warnings.warn("this is a warning3", Warning) def fxn2(): warnings.warn("deprecated", D...
Please try using a different running method. xxxx.py:10: DeprecationWarning: This function is deprecated warnings.warn("This function is deprecated", DeprecationWarning) 1. 2. 3. 注意事项: 默认情况下,Python会忽略某些类型的警告,如DeprecationWarning。如果你想在运行时看到这些警告,你可以通过-W选项或者w...
warn("this is a warning", Warning)with warnings.catch_warnings(): warnings.simplefilter("ignore") fxn()with warnings.catch_warnings(Warning): warnings.warn("this is a warning2", Warning)warnings.warn("this is a warning3", Warning)def fxn2(): warnings.warn("deprecated", Depr...
python开发中经常遇到报错的情况,但是warning通常并不影响程序的运行,而且有时特别讨厌,下面我们来说下如何忽略warning错误。 在说忽略warning之前,我们先来说下如何主动产生warning错误,这里用到warnings模块,看如下代码: import warnings deffxn(): warnings.warn("deprecated", DeprecationWarning) ...
, DeprecationWarning) # 过滤掉Deprecation Warning with warnings.catch_warnings(): warnings.simplefilter("ignore", DeprecationWarning) deprecated_function() # 输出其他类型的警告 warnings.warn("This is a different type of warning.") 在上面的示例中,我们使用warnings.catch_warnings()上下文管理器来暂时...
importwarnings# 触发一个DeprecatedWarningdefdeprecated_function():warnings.warn("这个函数将来可能会被移除",DeprecationWarning)# 触发一个RuntimeWarningdefrisky_division():a=1b=0ifb==0:warnings.warn("除数为零!!",RuntimeWarning)else:returna/b# 触发一个UserWarningdefuser_warning_example():warnings.warn...
warnings.warn("deprecated", DeprecationWarning) 异常怎么处理 异常的处理形式如下: try: 你要做的可能会发生异常的事 except 可能会发生的异常: 发生异常之后要做的事 except 可能会发生的异常2: 发生异常之后要做的事2 finally: 最终要做的事情 比如下面的代码: ...
warnings.warn("deprecated", DeprecationWarning) with warnings.catch_warnings(): warnings.simplefilter("ignore") fxn() 那么如何来控制警告错误的输出呢? importwarnings warnings.filterwarnings("ignore") 如何忽略命令行下警告错误的输出呢? python-W ignore yourscript.py ...