Python: Creating a virtual environment (venv), starting and stopping

usage environment

macOS Catalina

table of contents

-Create a python virtual environment using ** venv **

-Execute 〇〇.py file in virtual environment

Create a python virtual environment

=== Create virtual environment myPython, start / stop virtual environment ===

-Move to the directory where you want to create a Python virtual environment

cd /Users/tanaka/Downloads/

・ Create a virtual environment

python3.8 -m venv myPython

[Supplement] The virtual environment myPython is under / Users / tanaka / Downloads /.

・ Move to virtual environment

cd myPython

・ Start virtual environment

source bin/activate

・ Install the package

pip install requests

[Supplement] pip install [package name]

-Check the list of installed packages

pip freeze

-Display detailed information for each installed package

pip show requests

・ Close the virtual environment

deactivate

Run .py files in virtual environment

-Drag and drop the .py file you want to execute on the terminal and execute it.

python3.8 /Users/tanaka/Downloads/myPython/main.py

[Supplement] After entering python3.8 in the terminal, ** drag and drop the main.py file into the terminal **

[End] </ font>

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