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https://github.com/maxb2/typer-config

Utilities for working with configuration files in typer CLIs.
https://github.com/maxb2/typer-config

click config configuration configuration-file configuration-management python toml typer typer-cli yaml

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Utilities for working with configuration files in typer CLIs.

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# typer-config

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This is a collection of utilities to use configuration files to set parameters for a [typer](https://github.com/tiangolo/typer) CLI.
It is useful for typer commands with many options/arguments so you don't have to constantly rewrite long commands.
This package was inspired by [phha/click_config_file](https://github.com/phha/click_config_file) and prototyped in [this issue](https://github.com/tiangolo/typer/issues/86#issuecomment-996374166). It allows you to set values for CLI parameters using a configuration file.

## Installation

```bash
$ pip install typer-config[all]
```

> **Note**: that will include libraries for reading from YAML, TOML, and Dotenv files as well.
Feel free to leave off the optional dependencies if you don't need those capabilities.

## Usage

```bash
# Long commands like this:
$ my-typer-app --opt1 foo --opt2 bar arg1 arg2

# Can become this:
$ my-typer-app --config config.yml
```

## Quickstart

You can use a decorator to quickly add a configuration parameter to your `typer` application:

```py
import typer
from typer_config import use_yaml_config

app = typer.Typer()

@app.command()
@use_yaml_config() # MUST BE AFTER @app.command()
def main(foo: FooType): ...

if __name__ == "__main__":
app()
```

Your typer command will now include a `--config CONFIG_FILE` option at the command line.

> **Note**: this package also provides `@use_json_config`, `@use_toml_config`, and `@use_dotenv_config` for those file formats.
> You can also use your own loader function and the `@use_config(loader_func)` decorator.

See the [documentation](https://maxb2.github.io/typer-config/latest/examples/simple_yaml/) for more examples using typer-config.