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Python project manager. Which aims to: "Automate the nooks and crannies of Python"

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Choam

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Python enviroment manager based around making depedency management, and publication easier.

While Python is a simple langauge all-around, managing dependencies and publication aren't. However, Choam automates this, with easy configuration, and simple commands.

Choam, automating the nooks and crannies of Python.

Installation

$ pip install choam

Snippets

The most useful snippets of Choam

Note: Depending on your system's configurations, Choam might have to be prefixed with $ python3 -m like this, $ python3 -m choam <COMMAND>

To create a new project

$ choam new <project_name>

To initialize a project in the current directory

$ choam init <optional: --adapt (adapts the current project to choam's standards)>

Add required dependency

$ choam add <dependency_name>

Install required dependencies of an existing project

$ choam install

Find all required dependencies and update Choam.toml accordingly

$ choam deps

Convert Choam.toml requirements to requirements.txt

$ choam reqs

Setup config files for publication to PyPi according to Choam.toml

$ choam setup

Start publication to PyPi

$ choam publish

Run project entrypoint

$ choam run <filepath_or_script> <optional: --file (to run files instead of scripts)>


Choam.toml quick start

# Choam.toml
[package]
name = "choam"
version = "0.0.0"
description = "Choam is a project manager"
repo = "https://github.com/cowboycodr/choam"
keywords = ["manager"]

So far we've described the package metadata. Including the package name, version, description, and other useful information. This will all be setup when you setup the project with Choam.

Managing dependencies

Managing dependencies with Choam is just as easy as defining the package metadata.

# Choam.toml
[package]
...

[modules]
choam = "*"

The * means it will require the lastest version of the specified module. You can sepcify specific versions if you like: choam = "0.1.18""


Since Choam is in beta, it will sometimes capture unwanted depedencies. To by-pass this behavior define a [modules-ignore] section. Like so:

# Choam.toml
[package]
...

[modules]
...

[modules-ignore]
shutil = "*"

toml is a weird configuration langauge so make sure to include the = "*" after the specified package.


Choam's scripts

To add custom defined scripts to your project all that is required is [script.<YOUR_SCRIPT_NAME>] and a few other parameters. Let's make a format script with python's black, for example.

# Choam.toml
[package]
...

[modules]
...

[modules-ignore]
...

[script.format]
requires = ["black"]
perspective = "${PROJECT}"
command = "${PYTHON} -m black ."

The requires section defines what dependencies are used with the script.

The perspective parameter defines where the script will run relative to the project folder. The ${PROJECT} will run in the project files directory instead of the overall project folder where the Choam.toml, README.md etc. are.

Note: notice how ${PROJECT} is used? When a piece of text is wrapped like ${} this means it is a script variable. Choam provides multiple script variables such as ${PYTHON} to access the active python interpreter, ${CWD} to access the current directory, and ${PROJECT} which is the current working directory. With these script variables you can create very useful scripts that work on any machine.

The perspective parameter defines the actual command that will be run.

Combining all of these with script variables you can create dynmaic, cross-platform, useful, scripts available to anyone.

Running the script:

$ choam run format

In result this will format all of your project files

.choam folder

The .choam folder is specifically for storing Choam related resources. For example: if you have a choam script, and you need to pull from a file, for example. You would put the resource in .choam/scripts/<SCRIPT_NAME>/<FILE>

This project is structured with Choam

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Python project manager. Which aims to: "Automate the nooks and crannies of Python"

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