mirror of
https://github.com/daylinmorgan/viv.git
synced 2024-11-09 19:13:14 -06:00
122 lines
3.4 KiB
Markdown
122 lines
3.4 KiB
Markdown
# viv
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<div align="center">
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<a href="https://github.com/daylinmorgan/viv">
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<img src="https://raw.githubusercontent.com/daylinmorgan/viv/main/assets/logo.svg" alt="Logo" width=500 >
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</a>
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<p align="center">
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viv isn't venv
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</p>
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<p align="center">
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<a href="https://viv.dayl.in">Documentation</a>
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</p>
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</div>
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Try before you buy!
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```sh
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python3 <(curl -fsSL viv.dayl.in/viv.py) run pycowsay -- "viv isn't venv\!"
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```
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---
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`Viv` is a standalone dependency-free `venv` creator.
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`Viv`'s uncompromising insistence on portability means that it will always:
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1. only use the standard library
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2. never exceed a single script.
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For that reason any usage of the `CLI` can be accomplished using a remote copy as seen in the below install command.
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## Setup
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Run the below command to install `viv`.
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```sh
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python3 <(curl -fsSL viv.dayl.in/viv.py) manage install
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```
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To access `viv` from within scripts you should add it's location to your `PYTHONPATH`.
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By default `viv` will be installed to `$XDG_DATA_HOME/viv` or `~/.local/share/viv` you can customize this with `--src`.
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```sh
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export PYTHONPATH="$PYTHONPATH:$HOME/.local/share/viv"
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```
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### Pypi (Not Recommended)
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```sh
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pip install viv
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```
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Why is this *not recommended*? Mainly, because `viv` is all about hacking your `sys.path`.
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Placing it in it's own virtual environment or installing in a user site directory may complicate this endeavor.
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## Usage
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In any python script with external dependencies you can add this line,
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to automate `vivenv` creation and installation of dependencies.
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```python
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__import__("viv").use("click")
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```
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To remove all `vivenvs` you can use the below command:
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```sh
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viv remove $(viv list -q)
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```
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To remove `viv` all together you can use the included `purge` command:
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```sh
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python3 <(curl -fsSL viv.dayl.in/viv.py) manage purge
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```
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## Additional Features
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An experimental feature of `viv` is generating shim's that leverage the principles of `viv`.
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These shims would operate similar to `pipx` in which you can specify a command line app to "install".
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*Note* that `--standalone` will auto-generate a mini function version of `viv` to accomplish the same basic task as using a local copy of `viv`.
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After generating this standalone `shim` you can freely use this script across unix machines which have `python>3.8`.
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See [examples/black](https://github.com/daylinmorgan/viv/blob/dev/examples/black) for output of below command.
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```sh
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python3 <(curl -fsSL viv.dayl.in/viv.py) shim black -o ./black --standalone --freeze
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```
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## Alternatives
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### [pip-run](https://github.com/jaraco/pip-run)
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```sh
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pip-run (10.0.5)
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├── autocommand (2.2.2)
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├── jaraco-context (4.3.0)
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├── jaraco-functools (3.6.0)
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│ └── more-itertools (9.1.0)
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├── jaraco-text (3.11.1)
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│ ├── autocommand (2.2.2)
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│ ├── inflect (6.0.2)
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│ │ └── pydantic>=1.9.1 (1.10.5)
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│ │ └── typing-extensions>=4.2.0 (4.5.0)
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│ ├── jaraco-context>=4.1 (4.3.0)
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│ ├── jaraco-functools (3.6.0)
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│ │ └── more-itertools (9.1.0)
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│ └── more-itertools (9.1.0)
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├── more-itertools>=8.3 (9.1.0)
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├── packaging (23.0)
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├── path>=15.1 (16.6.0)
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├── pip>=19.3 (23.0.1)
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└── platformdirs (3.1.0)
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```
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### [pipx](https://github.com/pypa/pipx/)
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```sh
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pipx (1.1.0)
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├── argcomplete>=1.9.4 (2.1.1)
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├── packaging>=20.0 (23.0)
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└── userpath>=1.6.0 (1.8.0)
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└── click (8.1.3)
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```
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