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Scream\n\u003e Still very much a WIP. Lots of work to be done; please open issues or pull requests.\n\n![Python 2.7](https://img.shields.io/badge/python-2.7-blue.svg)\n![Python 3.7](https://img.shields.io/badge/python-3.7-blue.svg)\n[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\n\nWhat you do when you see a bunch of python... packages.\n\nor...\n\nAn opinionated CLI tool for Python monorepo MGMT.\n\n---\n\nIt's objective is to ease the creation, testing, and deploying of multiple python packages in a single repository.\nTo ensure non-overlapping names with PYPI, this tool forces you to use namespace packages.\nNamespaces are defined according to python's\n[pkgutil-style](https://packaging.python.org/guides/packaging-namespace-packages/#pkgutil-style-namespace-packages).\n\n\n- [Scream](#scream)\n    - [Why use Scream?](#why-use-scream)\n        - [Problems with most monorepos](#problems-with-most-monorepos)\n        - [How scream works](#how-scream-works)\n    - [Commands](#commands)\n    - [Quickstart](#quickstart)\n    - [Using your monorepo packages](#using-your-monorepo-packages)\n    - [Configuration](#configuration)\n    - [Upcoming Features](#upcoming-features)\n\n## Why use Scream?\n\n- Scream holds all packages to the same standards\n    - Enforces consistent styling.\n    - Enforces consistent testing.\n    - Enforces consistent documentation.\n\n- Uses [tox](https://tox.readthedocs.io/en/latest/) to setup virtualenvs for isolated testing across python versions.\n- Pre-commit hooks to help prevent those gosh darn mistakes.\n\n### Problems with most monorepos\n\n1. Testing \u0026 CI/CD pipeline can become slow with many packages.\n\n    The other available solutions are:\n    - Use a build tool like [Pants](https://www.pantsbuild.org/index.html) or [Bazel](https://bazel.build/).\n\n    These tools are extremely powerful, but sometimes are overkill, and introduce a fair amount of overhead to manage.\n\n2. Installing intra-monorepo package dependencies is hard with a private repositories.\n\n    The available solutions are:\n    - Have all your packages distributed publically.\n    - Host a private PYPI index.\n    - pip install using [dependency links](https://python-packaging.readthedocs.io/en/latest/dependencies.html).\n\n### How scream works\nScream aims to cause as little overhead as possible for managing your monorepo.\nNo fancy third party configuration or private PYPI repositories.\n\nScream uses the existing python packaging requirements to resolve intra-monorepo dependencies,\nand `git` to detect what's changed since the parent branch.\n\nFor example:\n\ncat [setup.cfg](https://setuptools.readthedocs.io/en/latest/setuptools.html#configuring-setup-using-setup-cfg-files).\n```ini\n[metadata]\nname = company_packageA\nversion = 0.0.1\ndescription = Your package description!\n\n[options]\npackages = find:\ninstall_requires =\n    company_packageB\n```\nIf you make a change to `company_packageA` then run tests...\n```bash\n\u003e scream test --dry-run\n\nThe following packages have changes compared since branch: `master`:\n        company_packagea\n\nPackages that require testing:\n        company_packagea\n        company_packageb\n```\n\n## Commands\n\n* `scream init` - Run this first. Initiates a monorepo in an empty directory.\n* `scream new \u003cpackage-name\u003e` - Creates new template package.\n* `scream test [--dry-run][--all][--parallel]` - Tests packages and package dependents that have changed.\n* `scream install \u003cpackage-name\u003e[--test]` - Installs a package. `--test` installs testing dependencies.\n* `deploy \u003cpackage-name\u003e` - Runs deploy.py in your package directory.\n* `scream build` - Builds a python wheel and bundles it with all it's dependencies as wheels. (TODO)\n\n- `-v` will enable verbose logs.\n\n## Quickstart\n\u003e By default packages are tested against python 3.7.x, which means you have it available on your PATH.\nIf you about different versions, please see the [configuration options](#Configuration).\n\n```bash\n\u003e mkdir mymonorepo\n\u003e cd mymonorepo\n\n\u003e scream init\nDone!\nCreate a new package with `scream new \u003cnamespace\u003e.\u003cpackage_name\u003e`\n\n\u003e scream new com.packagea\nCreated project `com.packagea`\n\n\u003e scream new com.packageb\nCreated project `com.packageb`\n\n\u003e scream test --all --parallel\nRunning tests... (Using all cores)\n\n\u003e coverage report\n```\n\n## Using your monorepo packages\nThe two common ways you would install packages from this monorepo are:\n\n1. Clone your repository and run `scream build` or `scream install` in your CI tool to build packages and ship them to your machines.\n2. Standard pip install individual packages to any machine from private or public github repos.\n\nIf your repository is *public*, you can simply install a subpackage anywhere using:\n```bash\npip install 'git+ssh://git@github.com/ORG/REPO.git@master#subdirectory=examplea'\n```\n\nIf your repository is *private*,\nyou need a few extra steps to make sure packages that depend on other packages in this monorepo can be installed.\n\n1. Specify `dependency_links` in the `setup.cfg` for each 'local' dependency:\n```ini\ndependency_links =\n    git+ssh://git@github.com/ORG/REPO.git@master#egg=examplea-0#subdirectory=subpackages/examplea\n```\n2. pip install as before, but specifiy the flag `--process-dependency-links`\n```bash\npip install 'git+ssh://git@github.com/ORG/REPO.git@master#subdirectory=examplea' --process-dependency-links\n```\n\n## Configuration\n1. In your packages `setup.cfg` the variable `python_requires`\ndetermines which versions of python your package will be tested against.\n- Ex. python_requires = 2.7, 3.6, 3.7\n    \u003e  Note: the python versions you intend to test must be available on your path.\n\n## Upcoming Features\n\n- [ ] Auto version handling.\n- [ ] Pre commit hook to flake8.\n- [ ] Pre commit hook to avoid committing a large file.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fr-kells%2Fscream","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fr-kells%2Fscream","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fr-kells%2Fscream/lists"}