python venv arch
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a virtual environment is a self-contained directory that contains a python interpreter and its standard library. it allows you to create isolated environments for your python projects, ensuring that dependencies and packages are kept separate from the system-wide python installation. in this tutorial, we will explore the basics of creating and managing python virtual environments using the venv module.
the venv module is the built-in module in python 3.3 and later versions that allows you to create and manage virtual environments. it provides tools to isolate project-specific dependencies, making it easier to manage and distribute python projects.
to create a virtual environment, open your terminal or command prompt and navigate to the directory where you want to create the environment. use the following commands:
this will create a new directory named myenv containing the virtual environment.
once the virtual environment is created, you need to activate it to use it. the activation process differs based on your operating system:
your command prompt or terminal prompt will change to indicate that you are now working within the virtual environment.
to deactivate the virtual environment and return to the global python environment, simply type:
with the virtual environment activated, you can install packages using pip. for example:
this installs the specified package only in the virtual environment, keeping it isolated from the system-wide python installation.
to deactivate the virtual environment:
to delete the virtual environment directory:
by following these best practices, you can create a clean and manageable environment for each of your python projects. this ensures that your projects remain isolated, maintainable, and reproducible across different environments.
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