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Linter config initializer for Python

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<h1>Rubric</h1>
<strong>>> <i>Linter Config Initializer for Python</i> <<</strong>

&nbsp;

</div>

![logo]

## Preface

Rubric initializes the configuration files of a few Python linters and formatters. Also,
it adds a README.md boilerplate and a simple Makefile with the commands to apply the
tools. This helps you maintain an isomorphic workflow across multiple projects. It
assumes that, in all of your Python projects, you'll use—

* [Black][black] as the primary code formatter.
* [EditorConfig][editor-config] to enforce consistent style across different editors.
* [Ruff][ruff] to ensure style guide conformance and sort the imports.
* [Mypy][mypy] to check the type hints.
* [Pip-tools][pip-tools] to manage the dependencies.
* [Hatch][hatch] to generate build artifacts for reusable libraries.
* [Pre-commit][pre-commit] for managing and maintaining the pre-commit hooks.

Following is a list of config files that Rubric is going to add to your target
directory:

```
root
├── .editorconfig           # Config file for Editorconfig
├── .gitignore              # Python specific .gitignore file
├── .pre-commit-config.yaml # Config to manage pre-commit hooks.
├── Makefile                # Makefile containing the commands to lint your code
├── pyproject.toml          # Toml file to with the configs for black, ruff, and mypy
├── README.md               # A readme boilerplate
├── requirements-dev.txt    # File to specify the dev requirements
└── requirements.txt        # File to specify the pinned app requirements
```

The files will contain minimal but sensible default configurations for the respective
tools. You're free to change them as you like.

## Installation

* Rubric requires Python 3.8 and up.
* Make a virtual environment in your project's root directory.
* Activate the environment and run:

```
    pip install rubric
    ```

## Usage

* To inspect all the CLI options, run:

```
    rubric --help
    ```

You should see the following output:

```
    $ rubric --help
                   >> Config Initializer for Python Projects <<

Usage: rubric [OPTIONS]

Options:
    -h, --help                      Display help message.
    -v, --version                   Display the version number.
    -s, --show                      Show the contents of the config files.
    -a, --append                    Append to existing config files.
    -o, --overwrite                 Overwrite existing config files.
    -c, --create                    Create the config files in the current
                                    directory.
    -f, --filename [.editorconfig|.gitignore|.pre-commit-config.yaml|README.md|
            Makefile|pyproject.toml|requirements-dev.in|requirements-dev.txt|
            requirements.in|requirements.txt]
                                    Target file names.
    -d, --dirname PATH              Target directory name.
    -l, --list                      List the config files that are about to be
                                    generated.

```

* Display a list of config files that are going to be created:

```
    rubric --list
    ```

```
    Config files that are about to be generated:

=> .editorconfig
    => .gitignore
    => .pre-commit-config.yaml
    => README.md
    => Makefile
    => pyproject.toml
    => requirements-dev.txt
    => requirements.txt
    ```

* Take a peek into the content of any config file(s):

```sh
    rubric --show -f requirements.txt -f .editorconfig
    ```

This will print:

```txt

============================ requirements.txt ============================

#
    # This file is autogenerated by pip-compile with python 3.11
    # To update, run:
    #
    #    pip-compile --output-file=requirements.txt requirements.in
    #

============================ .editorconfig ============================

# https://editorconfig.org

root = true

[*]
    indent_style = space
    indent_size = 2
    trim_trailing_whitespace = true
    insert_final_newline = true
    charset = utf-8
    end_of_line = lf

[*.{py,md}]
    indent_size = 4

[Makefile]
    indent_size = 4
    indent_style = tab
    ```

* Initialize a project with the following command:

```sh
    rubric --create
    ```

This will run the tool in a non-destructive way—that means it won't overwrite any of
    the configuration files that you might already have in the directory.

* If you only want to create a selected list of config files, then run:

```sh
    rubric --create -f requirements.txt -f requirements-dev.txt
    ```

* If you want to overwrite any of the existing config files that you might have in the
directory, then run:

```sh
    rubric --overwrite -f filename1 -f filename2
    ```

* If you want to append the configs to an existing file, then run:

```sh
    rubric --append -f filename1 -f filename2
    ```

* You can also point Rubric to a directory.

```sh
    rubric --create --directory "some/custom/directory"
    ```

* If you want to check and update the configs across multiple repositories in a single
sweep, use the following command:

```sh
    s="dir1 dir2 dir3"; echo $s | xargs -n 1 -P $(echo $s | wc -w) rubric -c -d
    ```

This command will spawn 3 processes to create the config files in `dir1`, `dir2`,
    and `dir3` in parallel.

* You can run the entire linter suite with this command:

```
    make lint
    ```

[logo]: https://user-images.githubusercontent.com/30027932/122619075-6a87b700-d0b1-11eb-9d6b-355446910cc1.png
[black]: https://github.com/psf/black
[editor-config]: https://editorconfig.org/
[ruff]: https://github.com/charliermarsh/ruff
[mypy]: https://github.com/python/mypy
[pip-tools]: https://github.com/jazzband/pip-tools
[pre-commit]: https://pre-commit.com/
[hatch]: https://hatch.pypa.io/latest/

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