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@ -35,14 +35,14 @@ python3 <(curl -fsSL viv.dayl.in/viv.py) run pycowsay -- "viv isn't venv\!"
`Viv` is a standalone dependency-free `venv` creator [^1]. `Viv` is a standalone dependency-free `venv` creator [^1].
`Viv` helps you ignore silly things like managing temporary or rarely used virtual environments, `Viv` helps you ignore silly things like managing temporary or rarely used virtual environments,
while still unleashing the full power of python scripting with it's entire ecosystem at your disposal. while still unleashing the full power of Python scripting with its entire ecosystem at your disposal.
`Viv`'s uncompromising insistence on portability means that it will always: `Viv`'s uncompromising insistence on portability means that it will always:
1. only use the standard library 1. only use the standard library
2. never exceed a single script. 2. never exceed a single script.
For that reason any usage of the `cli` can be accomplished using a remote copy as seen in the below install command. For that reason, any usage of the CLI can be accomplished using a remote copy as seen in the below install command.
## Setup ## Setup
@ -52,8 +52,9 @@ Run the below command to install `viv`.
python3 <(curl -fsSL viv.dayl.in/viv.py) manage install python3 <(curl -fsSL viv.dayl.in/viv.py) manage install
``` ```
To access `viv` from within scripts you should add it's location to your `PYTHONPATH`. To access `viv` from within scripts you should add its location to your `PYTHONPATH`.
By default `viv` will be installed to `$XDG_DATA_HOME/viv` or `~/.local/share/viv` you can customize this with `--src`. By default `viv` will be installed to `$XDG_DATA_HOME/viv` or `~/.local/share/viv`;
you can customize this with `--src`.
```sh ```sh
export PYTHONPATH="$PYTHONPATH:$HOME/.local/share/viv" export PYTHONPATH="$PYTHONPATH:$HOME/.local/share/viv"
@ -65,12 +66,12 @@ export PYTHONPATH="$PYTHONPATH:$HOME/.local/share/viv"
pip install viv pip install viv
``` ```
Why is this *not recommended*? Mainly, because `viv` is all about hacking your `sys.path`. Why is this *not recommended?* Mainly because `viv` is all about hacking your `sys.path`.
Placing it in it's own virtual environment or installing in a user site directory may complicate this endeavor. Placing it in its own virtual environment or installing in a user site directory may complicate this endeavor.
## Usage ## Usage
In any python script with external dependencies you can add this line, In any Python script with external dependencies you can add this line
to automate `vivenv` creation and installation of dependencies. to automate `vivenv` creation and installation of dependencies.
```python ```python
@ -83,7 +84,7 @@ To remove all `vivenvs` you can use the below command:
viv cache remove $(viv list -q) viv cache remove $(viv list -q)
``` ```
To remove `viv` all together you can use the included `purge` command: To remove `viv` altogether you can use the included `purge` command:
```sh ```sh
python3 <(curl -fsSL viv.dayl.in/viv.py) manage purge python3 <(curl -fsSL viv.dayl.in/viv.py) manage purge
@ -118,11 +119,14 @@ python3 <(curl -fsSL viv.dayl.in/viv.py) run \
## Bonus: use `viv` with just standalone snippet (37LOC) ## Bonus: use `viv` with just standalone snippet (37LOC)
`--standalone` will auto-generate a mini function version of `viv` to accomplish the same basic task as using a local copy of `viv`. `--standalone` will auto-generate a mini-function version of `viv`
After generating this standalone `shim` you can freely use this script across unix machines which have `python>3.8`. to accomplish the same basic task as using a local copy of `viv`.
See [examples/black](https://github.com/daylinmorgan/viv/blob/dev/examples/black) for output of below command. After generating this standalone shim you can freely use this script
across Unix machines which have Python > 3.8.
See [examples/black](https://github.com/daylinmorgan/viv/blob/dev/examples/black)
for output of the below command.
`viv freeze` also supports `--standalone` `viv freeze` also supports `--standalone`.
```sh ```sh
python3 <(curl -fsSL viv.dayl.in/viv.py) shim black -o ./black --standalone --freeze python3 <(curl -fsSL viv.dayl.in/viv.py) shim black -o ./black --standalone --freeze