It’s common to have multiple Python applications running on your system.
When applications require the same module, at some point you will reach a tricky situation where an app needs a version of a module, and another app a different version of that same module.
To solve this, you use virtual environments.
We’ll use venv
. Other tools work similarly, like pipenv
.
Create a virtual environment using
python -m venv .venv
in the folder where you want to start the project, or where you already have an existing project.
Then run
source .venv/bin/activate
Use
source .venv/bin/activate.fish
on the Fish shell
Executing the program will activate the Python virtual environment. Depending on your configuration you might also see your terminal prompt change.
Mine changed from
➜ folder
to
(.venv) ➜ folder
Now running pip
will use this virtual environment instead of the global environment.
More python tutorials:
- Introduction to Python
- Installing Python 3 on macOS
- Running Python programs
- Python 2 vs Python 3
- The basics of working with Python
- Python Data Types
- Python Operators
- Python Strings
- Python Booleans
- Python Numbers
- Python, Accepting Input
- Python Control Statements
- Python Lists
- Python Tuples
- Python Sets
- Python Dictionaries
- Python Functions
- Python Objects
- Python Loops
- Python Modules
- Python Classes
- The Python Standard Library
- Debugging Python
- Python variables scope
- Python, accept arguments from command line
- Python Recursion
- Python Nested Functions
- Python Lambda Functions
- Python Closures
- Python Virtual Environments
- Use a GoPro as a remote webcam using Python
- Python, how to create a list from a string
- Python Decorators
- Python Docstrings
- Python Introspection
- Python Annotations
- Python, how to list files and folders in a directory
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- Python, how to get the details of a file
- Python, how to check if a file or directory exists
- Python Exceptions