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This article mainly explains "how to solve the incompatibility of Python virtual environment". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to solve the incompatibility of Python virtual environment.

Using Python virtual environment to solve the problem of incompatibility between different versions of python and different packages.

Python virtual environment provides an isolated Python running environment for applications and solves the problem of multi-version conflicts between different applications.

1. What is Virtualenv?

Virtualenv is a virtual environment management tool in Python.

two。 How do I install Virtualenv?

Installing Vitualenv is very easy. You can install it using pip:

$pip install virtualenv

3. How to use Virtualenv?

# create a virtual environment $pwd/Users/zhangqiuxue# take a look at the current python $which python/usr/bin/python# creation working directory to facilitate future association with the virtual environment $mkdir Workdir$ cd Workdir# to create a virtual environment, named venv, and the name can be taken at will, preferably after the names of $virtualenv venvNew python executable in/ Users/zhangqiuxue/Workdir/venv/bin/pythonInstalling setuptools, pip, wheel...done.# are created. Under the working directory, there is a folder corresponding to the virtual environment. For example, when we just named venv $lldrwxr-xr-x 6 zhangqiuxue staff 204 May 18 10:06 venv# needs to use the virtual environment, activate the virtual environment through source $source venv/bin/activate# after activation, the name of the virtual environment will appear in front of the prompt to mark the current virtual environment (venv) $# to view the path of the Python at this time You will find that the path of Python is under the virtual environment, not the Python version of the system (venv) $which python/Users/zhangqiuxue/Workdir/venv/bin/python#. After using the virtual environment, you need to use deactive to shut down the virtual environment (venv) $deactivate. Thank you for reading. The above is the content of "how to solve the incompatibility of Python virtual environment". After the study of this article I believe you have a deeper understanding of how to solve the problem of incompatibility in Python virtual environment, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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