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53 lines
1.5 KiB
Markdown
53 lines
1.5 KiB
Markdown
There are some [[Modern Python Tools]], but I tend to rely on the good old [pyenv](https://github.com/pyenv/pyenv) and native python environments.
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### Python Version
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I use `pyenv` to switch between python versions.
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I installed it with:
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```bash
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brew install pyenv
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```
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Using `pyenv` is convenient.
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You can check existing versions with:
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```bash
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# checks the most recent available version starting with 3
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pyenv latest -k 3
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# checks the most recent available version starting with 3.12
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pyenv latest -k 3.12
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```
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Now to install the chosen python version, just run:
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```bash
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pyenv install 3.13.1
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```
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When you run a Python command, `pyenv` will look for a `.python-version` file in the current directory and each parent directory. If no such file is found in the tree, `pyenv` will use the global Python version specified with `pyenv global`. A version specified with the `PYENV_VERSION` environment variable takes precedence over local and global versions.
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Run `pyenv versions` for a list of available Python versions. To read more, run `pyenv local --help`.
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Running `pyenv local 3.13.1` will create the `.python-version` file in the current directory.
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### Python Environment
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On my Mac I keep python environments in `~/python-venvs`. Now to create a new environment, run:
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```bash
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python -m venv ~/python-venvs/<name-of-the-environment>
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```
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To activate and deactivate given python environment, run:
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```bash
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# to activate
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source ~/python-venvs/<name-of-the-environment>/bin/activate
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# to deactivate
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deactivate
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```
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