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feat(python): add utilities to manage simple virtual environments (#9776)

Closes #9776
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Marijan Smetko 2021-04-01 23:35:00 +02:00 committed by Marc Cornellà
parent 3e2676f7dc
commit 02eb548d5a
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@ -10,6 +10,7 @@ plugins=(... python)
## Aliases
<<<<<<< HEAD
| Command | Description |
| ---------------- | ------------------------------------------------------------------------------------- |
| `py` | Runs `python` |
@ -19,3 +20,11 @@ plugins=(... python)
| `pygrep <text>` | Looks for `text` in .py files |
| `pyuserpaths` | Add --user site-packages to PYTHONPATH, for all installed python versions. |
| `pyserver` | Starts an http.server on the current directory. Use `--directory` for a different one |
## Virtual environments
The plugin provides two utilities to manage Python venvs:
- `mkv [name]`: make a new virtual environment called `name` (default: `venv`) in current directory.
- `vrun [name]`: activate virtual environment called `name` (default: `venv`) in current directory.

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@ -51,3 +51,36 @@ alias ipython="python -c 'import IPython; IPython.terminal.ipapp.launch_new_inst
# Share local directory as a HTTP server
alias pyserver="python -m http.server"
## venv utilities
# Activate a the python virtual environment specified.
# If none specified, use 'venv'.
function vrun() {
local name="${1:-venv}"
local venvpath="${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 ${name}"
}
# Create a new virtual environment, with default name 'venv'.
function mkv() {
local name="${1:-venv}"
local venvpath="${name:P}"
python3 -m venv "${name}" || return
echo >&2 "Created venv in '${venvpath}'"
vrun "${name}"
}