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| author | navewindre <boneyaard@gmail.com> | 2025-07-13 06:42:05 +0200 |
|---|---|---|
| committer | navewindre <boneyaard@gmail.com> | 2025-07-13 06:42:05 +0200 |
| commit | 02f14a9cb152561a5e44062aac79f3b700403b40 (patch) | |
| tree | 2db8ebda3b7f6f8777783aeb5c60018e6e1359d8 /home/.oh-my-zsh/plugins/python | |
| parent | cbbdeb2f6b40a102a829f0c47cff052937231f00 (diff) | |
omz
Diffstat (limited to 'home/.oh-my-zsh/plugins/python')
| -rw-r--r-- | home/.oh-my-zsh/plugins/python/README.md | 68 | ||||
| -rw-r--r-- | home/.oh-my-zsh/plugins/python/python.plugin.zsh | 122 |
2 files changed, 190 insertions, 0 deletions
diff --git a/home/.oh-my-zsh/plugins/python/README.md b/home/.oh-my-zsh/plugins/python/README.md new file mode 100644 index 0000000..ca424ea --- /dev/null +++ b/home/.oh-my-zsh/plugins/python/README.md @@ -0,0 +1,68 @@ +# Python plugin + +The plugin adds several aliases for useful [Python](https://www.python.org/) commands. + +To use it, add `python` to the plugins array in your zshrc file: + +```zsh +plugins=(... python) +``` + +## Aliases + +| Command | Description | +| ---------------- | -------------------------------------------------------------------------------------- | +| `py` | Runs `python3`. Only set if `py` is not installed. | +| `pyfind` | Finds .py files recursively in the current directory | +| `pyclean [dirs]` | Deletes byte-code and cache files from a list of directories or the current one | +| `pygrep <text>` | Looks for `text` in `*.py` files in the current directory, recursively | +| `pyuserpaths` | Add user site-packages folders to `PYTHONPATH`, for Python 2 and 3 | +| `pyserver` | Starts an HTTP server on the current directory (use `--directory` for a different one) | + +## Virtual environments + +The plugin provides three utilities to manage Python 3.3+ [venv](https://docs.python.org/3/library/venv.html) +virtual environments: + +- `mkv [name]`: make a new virtual environment called `name` in the current directory. + **Default**: `$PYTHON_VENV_NAME` if set, otherwise `venv`. + +- `vrun [name]`: activate the virtual environment called `name` in the current directory. + **Default**: the first existing in `$PYTHON_VENV_NAMES`. + +- `auto_vrun`: automatically activate the venv virtual environment when entering a directory containing + `<venv-name>/bin/activate`, and automatically deactivate it when navigating out of it (keeps venv activated + in subdirectories). + - To enable the feature, set `PYTHON_AUTO_VRUN=true` before sourcing oh-my-zsh. + - The plugin activates the first existing virtual environment, in order, appearing in `$PYTHON_VENV_NAMES`. + The default virtual environment name is `venv`. To use a different name, set + `PYTHON_VENV_NAME=<venv-name>`. For example: `PYTHON_VENV_NAME=".venv"` + +### Settings + +You can set these variables in your `.zshrc` file, before Oh My Zsh is sourced. +For example: + +```sh +PYTHON_VENV_NAME=".venv" +PYTHON_VENV_NAMES=($PYTHON_VENV_NAME venv) +... +plugins=(... python) +source "$ZSH/oh-my-zsh.sh" +``` + + +## `$PYTHON_VENV_NAME` + +**Default**: `venv`. + +Preferred name for virtual environments, for example when creating via `mkv`. + +## `$PYTHON_VENV_NAMES` + +**Default**: `$PYTHON_VENV_NAME venv .venv`. + +Array of virtual environment names to be checked, in order, by `vrun` and `auto_vrun`. +This means these functions will load the first existing virtual environment in this list. +Duplicate names are ignored. + diff --git a/home/.oh-my-zsh/plugins/python/python.plugin.zsh b/home/.oh-my-zsh/plugins/python/python.plugin.zsh new file mode 100644 index 0000000..2b139dd --- /dev/null +++ b/home/.oh-my-zsh/plugins/python/python.plugin.zsh @@ -0,0 +1,122 @@ +# set python command if 'py' not installed +builtin which py > /dev/null || alias py='python3' + +# Find python file +alias pyfind='find . -name "*.py"' + +# Remove python compiled byte-code and mypy/pytest cache in either the current +# directory or in a list of specified directories (including sub directories). +function pyclean() { + find "${@:-.}" -type f -name "*.py[co]" -delete + find "${@:-.}" -type d -name "__pycache__" -delete + find "${@:-.}" -depth -type d -name ".mypy_cache" -exec rm -r "{}" + + find "${@:-.}" -depth -type d -name ".pytest_cache" -exec rm -r "{}" + +} + +# Add the user installed site-packages paths to PYTHONPATH, only if the +# directory exists. Also preserve the current PYTHONPATH value. +# Feel free to autorun this when .zshrc loads. +function pyuserpaths() { + setopt localoptions extendedglob + + # Check for a non-standard install directory. + local user_base="${PYTHONUSERBASE:-"${HOME}/.local"}" + + local python version site_pkgs + for python in python2 python3; do + # Check if command exists + (( ${+commands[$python]} )) || continue + + # Get minor release version. + # The patch version is variable length, truncate it. + version=${(M)${"$($python -V 2>&1)":7}#[^.]##.[^.]##} + + # Add version specific path, if: + # - it exists in the filesystem + # - it isn't in $PYTHONPATH already. + site_pkgs="${user_base}/lib/python${version}/site-packages" + [[ -d "$site_pkgs" && ! "$PYTHONPATH" =~ (^|:)"$site_pkgs"(:|$) ]] || continue + export PYTHONPATH="${site_pkgs}${PYTHONPATH+":${PYTHONPATH}"}" + done +} + +# Grep among .py files +alias pygrep='grep -nr --include="*.py"' + +# Share local directory as a HTTP server +alias pyserver="python3 -m http.server" + + +## venv settings +: ${PYTHON_VENV_NAME:=venv} + +# Array of possible virtual environment names to look for, in order +# -U for removing duplicates +typeset -gaU PYTHON_VENV_NAMES +[[ -n "$PYTHON_VENV_NAMES" ]] || PYTHON_VENV_NAMES=($PYTHON_VENV_NAME venv .venv) + +# Activate a the python virtual environment specified. +# If none specified, use the first existing in $PYTHON_VENV_NAMES. +function vrun() { + if [[ -z "$1" ]]; then + local name + for name in $PYTHON_VENV_NAMES; do + local venvpath="${name:P}" + if [[ -d "$venvpath" ]]; then + vrun "$name" + return $? + fi + done + echo >&2 "Error: no virtual environment found in current directory" + fi + + local name="${1:-$PYTHON_VENV_NAME}" + local venvpath="${name:P}" + + if [[ ! -d "$venvpath" ]]; then + echo >&2 "Error: no such venv in current directory: $name" + return 1 + fi + + if [[ ! -f "${venvpath}/bin/activate" ]]; then + echo >&2 "Error: '${name}' is not a proper virtual environment" + return 1 + fi + + . "${venvpath}/bin/activate" || return $? + echo "Activated virtual environment ${name}" +} + +# Create a new virtual environment using the specified name. +# If none specified, use $PYTHON_VENV_NAME +function mkv() { + local name="${1:-$PYTHON_VENV_NAME}" + local venvpath="${name:P}" + + python3 -m venv "${name}" || return + echo >&2 "Created venv in '${venvpath}'" + vrun "${name}" +} + +if [[ "$PYTHON_AUTO_VRUN" == "true" ]]; then + # Automatically activate venv when changing dir + function auto_vrun() { + # deactivate if we're on a different dir than VIRTUAL_ENV states + # we don't deactivate subdirectories! + if (( $+functions[deactivate] )) && [[ $PWD != ${VIRTUAL_ENV:h}* ]]; then + deactivate > /dev/null 2>&1 + fi + + if [[ $PWD != ${VIRTUAL_ENV:h} ]]; then + local file + for file in "${^PYTHON_VENV_NAMES[@]}"/bin/activate(N.); do + # make sure we're not in a venv already + (( $+functions[deactivate] )) && deactivate > /dev/null 2>&1 + source $file > /dev/null 2>&1 + break + done + fi + } + add-zsh-hook chpwd auto_vrun + auto_vrun +fi |
