There are four ways to check the pip version: "pip --version command", "pip show command", "pip list command" and "view in Python code": 1. "pip --version", output The current pip version and the path information of Python; 2. "pip show package_name" displays the detailed information of the package, including the currently installed version number, etc.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
1. Use the pip --version command
The most basic method is to use the pip --version command to view the current pip version.
pip --version
After the command is executed, the current pip version and the path information of Python will be output.
In addition to checking the global version, we can also check the pip version in a certain Python virtual environment.
python -m venv myenv source myenv/bin/activate pip --version
Execute the pip --version command in the virtual environment myenv, and the pip version in the virtual environment will be output.
2. Use the pip show command
The pip show command can obtain the detailed information of an installation package. Many times we need to check the version number of a certain package. We can obtain the corresponding information through this command. .
pip show package_name
Using the above command will display the detailed information of the package, including the currently installed version number.
3. Use the pip list command
The pip list command can list all installed Python packages and their versions. If you only focus on the pip version, you can use grep to filter the results. Only List information about pip and its dependent packages.
pip list | grep ^pip
The above command will only output information about pip and its dependencies, including version number, installation path, etc.
4. Check the pip version in Python code
Using Python code to obtain the pip version is also an effective way.
import pip print(pip.__version__)
Introduce the pip library into the Python code, and then use the pip.__version__ attribute to print the version number.
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