Learn how to manage virtual environments in Python to avoid dependency conflicts and ensure smooth project management.
| Command | Description | Example |
|---|---|---|
python -m venv |
Creates a virtual environment. | python -m venv venv |
source venv/bin/activate |
Activates the virtual environment. | source venv/bin/activate |
deactivate |
Deactivates the virtual environment. | deactivate |
pip install |
Installs a library. | pip install pandas |
pip install == |
Installs a specific version of a library. | pip install pandas==2.1.4 |
pip show |
Shows information about an installed library. | pip show pandas |
pip uninstall |
Uninstalls a library. | pip uninstall pandas |
pip freeze |
Lists all installed libraries and their versions. | pip freeze |
pip freeze > requirements.txt |
Saves the list of installed libraries to a requirements.txt file. | pip freeze > requirements.txt |
pip install -r requirements.txt |
Installs all libraries listed in a requirements.txt file. | pip install -r requirements.txt |
Simon Willison introduces llm-smollm2, a plugin for LLM that includes a quantized version of the SmolLM2-135M-Instruct model. The article details how to install and use the model, discusses the process of finding, building, packaging, and publishing the plugin, and evaluates the model's capabilities.
uv is a drop-in replacement for common pip, pip-tools, and virtualenv commands, providing 10-100x faster installation and syncing compared to pip and pip-tools. It offers disk-space efficient global cache, advanced features, and best-in-class error messages. uv is backed by Astral, creators of Ruff.
On Linux and macOS you can find the user base binary directory by running python -m site --user-base and adding bin to the end. F
