importpkgutil# 使用pkgutil.iter_modules()函数迭代已安装的模块formoduleinpkgutil.iter_modules():print(module.name) 1. 2. 3. 4. 5. 这段代码将输出Python中已安装的所有模块的名称。 总结 通过以上步骤,我们成功地实现了“python list modules”的任务。我们首先导入pkgutil模块,然后使用pkgutil.iter_modules(...
Python modules provide powerful building blocks for extending Python’s functionality across various programming domains. This list of Python modules covers the core categories of Python modules, focusing on system operations, data processing, web development, databases, user interfaces, and multimedia tool...
注意有时候模块安装包名并不等于要导入的模块名。这种情况下可以通过pip search | list命令来尝试找到正确的包。 另一种情况就是包虽然安装了,但当前运行的程序加载的路径有错。python运行时将从以下位置尝试加载python modules: * 当前目录 * 环境变量$PYTHONPATH所指示的值,这是一个由“:”分隔的字符串,各个子...
Modulesare Python.pyfiles that consist of Python code. Any Python file can be referenced as a module. A Python file calledhello.pyhas the module name ofhellothat can be imported into other Python files or used on the Python command line interpreter. You can learn about creating your own m...
1.1.3: Modules and Methods 模块和方法 让我们谈谈模块。 Let’s talk a little bit about modules.Python模块是代码库,您可以使用import语句导入Python模块。 Python modules are libraries of code and you can import Python modules using the import statements. 让我们从一个简单的案例开始。 Let’s start ...
Python has tons of standard modules. You can check out the full list of Python standard modules and their use cases. Standard modules can be imported the same way as we import our user-defined modules. Import Python Standard Library Modules The Python standard library contains well over 200 mo...
6.1.1. Executing modules as scripts When you run a Python module with python fibo.py <arguments> the code in the module will be executed, just as if you imported it, but with the__name__set to"__main__". That means that by adding this code at the end of your module: ...
一个基本的 package 可以包含 sub-package、modules、__init__.py(Python 3.3 之后非必需)、setup....
fromimpimportreload#firstly reload imported modulesreload(C) reload(B)#then reload the outer modulereload(A) 五,模块的其他主题 在这一节中,我们探索模块的使用标志,模块内变量的前向引用,和点号运算符的特性等。 1,使用模式的标志 每个模块都有个名为__name__的内置属性,Python会自动设置该属性: ...
来解决。注意有时候模块安装包名并不等于要导入的模块名。这种情况下可以通过pip search | list命令来尝试找到正确的包。 另一种情况就是包虽然安装了,但当前运行的程序加载的路径有错。python运行时将从以下位置尝试加载python modules: * 当前目录 *环境变量$PYTHONPATH所指示的值,这是一个由“:”分隔的字符串,...