reimport模块的只要逻辑就在查找器的find_module函数里面,首先备份当前已经加载的module,用sys.old_modules, sys.old_module_attrs分别记录备份的所有module和每个module的所有属性。然后用系统标准库提供的find_module和load_module重新加载模块,这时加载出来的新模块的函数地址,相对于旧模块时发生变化的。我们调用update_...
输出结果: environ({'ALLUSERSPROFILE': 'C:\\ProgramData', 'APPDATA': 'C:\\Users\\William\\AppData\\Roaming', 'COMMONPROGRAMFILES': 'C:\\Program Files (x86)\\Common Files', 'COMMONPROGRAMFILES(X86)': 'C:\\Program Files (x86)\\Common Files', 'COMMONPROGRAMW6432': 'C:\\Program ...
step1:打开pycharm—>目标文件夹—->右键——>new—–>directory—-> 创建名为modules文件夹。 step2:选中modules文件夹—->右键——>new—->pythonfile—–> 创建名为working.py文件,在working.py文件中定义函数hello() 目标是在“搜索路径1/2.py”中能够引用hello() 情况一:step3.1:搜索路径1.py与working...
内置标准模块(又称标准库)执行help('modules')查看所有python自带模块列表 第三方开源模块,可通过 pip install 模块名联网安装 自定义模块 第三方开源模块的安装使用 https://pypi.org/ 是python的开源模块库,截止2020年7.31日 ,已经收录了253763个来自全世界python开发者贡献的模块,几乎涵盖了你想用python做的任何...
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sys.modules 返回系统导入的模块字段,key是模块名,value是模块 sys.path 返回模块的搜索路径,初始化时使用PYTHONPATH环境变量的值 sys.platform 返回操作系统平台名称 sys.stdout 标准输出 sys.stdin 标准输入 sys.stderr 错误输出 sys.exc_clear() 用来清除当前线程所出现的当前的或最近的错误信息 ...
[] node_path = 'module-management:module-management/module-management:next-startup-modules/module-management:next-startup-module' elems = root_elem.findall(node_path, namespaces) if elems is not None: for elem in elems: elem_text = elem.find('module-management:name', namespaces) next_mod_...
2: There was a problem importing one of the Python modules 3: required to run yum. The error leading to this problem was: 4: 5: No module named yum 6: 7: Please install a package which provides this module, or 8: verify that the module is installed correctly. ...
**/node_modules/ # 忽略 src/assets 中的所有图片文件 src/assets/*.png src/assets/*.jpg src/assets/*.gif 已被跟踪的文件:.gitignore只能忽略尚未被 Git 跟踪的文件。如果某个文件已经被 Git 跟踪,即使在.gitignore中进行了忽略设置,该文件仍然会被跟踪。要忽略已跟踪的文件,需要先将其从暂存区移除: ...