warnings.simplefilter("always") def fxn(): 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)...
关于安装python包执行setup.py文件报错类似提示line 155 warnings.warn(f'Cannot copy file {src_path}.') SyntaxError: invalid 首先可以确定世python语法问题,一般来说python3.6以后字符串使用f是没有问题的,后来发现问题所在,原来我安装好python以后,没有将python命令软连接到python3,导致python命令其实一直是使用的p...