Devdocs scraper

This scraper downloads devdocs.io documentation databases and puts them in ZIM files, a clean and user friendly format for storing content for offline usage.

Installation

There are three main ways to install and use devdocs2zim from most recommended to least:

Install using a pre-built container

1. Download the image using docker:

   docker pull ghcr.io/openzim/devdocs

Build your own container

1. Clone the repository locally:

   git clone https://github.com/openzim/devdocs.git && cd devdocs

2. Build the image:

   docker build -t ghcr.io/openzim/devdocs .

Run the software locally using Hatch

1. Clone the repository locally:

   git clone https://github.com/openzim/devdocs.git && cd devdocs

2. Install Hatch:

   pip3 install hatch

3. Start a hatch shell to install software and dependencies in an isolated virtual environment.

   hatch shell

4. Run the devdocs2zim command:

   devdocs2zim --help

Usage

Warning

This project is still a work in progress and isn't ready for use yet, the commands below are examples only.

# Usage
docker run -v my_dir:/output ghcr.io/openzim/devdocs devdocs2zim [--all|--slug=SLUG|--first=N]

# Fetch all documents
docker run -v my_dir:/output ghcr.io/openzim/devdocs devdocs2zim --all

# Fetch all documents except Ansible
docker run -v my_dir:/output ghcr.io/openzim/devdocs devdocs2zim --all --skip-slug-regex "^ansible.*"

# Fetch Vue related documents
docker run -v my_dir:/output ghcr.io/openzim/devdocs devdocs2zim --slug vue~3 --slug vue_router~4

# Fetch the docs for the two most recent versions of each software
docker run -v my_dir:/output ghcr.io/openzim/devdocs devdocs2zim --first=2

One of the following flags is required:

• --all: Fetch all Devdocs resources, and produce one ZIM per resource.
• --slug SLUG: Fetch the provided Devdocs resource. Slugs are the first path entry in the Devdocs URL. For example, the slug for: https://devdocs.io/gcc~12/ is gcc~12. Use --slug several times to add multiple.
• --first N: Fetch the first number of items per slug as shown in the DevDocs UI.

Optional Flags:

• --skip-slug-regex REGEX: Skips slugs matching the given regular expression.
• --output OUTPUT_FOLDER: Output folder for ZIMs. Default: /output
• --creator CREATOR: Name of content creator. Default: 'DevDocs'
• --publisher PUBLISHER: Custom publisher name. Default: 'openZIM'
• --name-format FORMAT: Custom name format for individual ZIMs. Default: 'devdocs_{slug_without_version}_{version}'
• --title-format FORMAT: Custom title format for individual ZIMs. Value will be truncated to 30 chars. Default: '{full_name} Documentation'
• --description-format FORMAT: Custom description format for individual ZIMs. Value will be truncated to 80 chars. Default: '{full_name} Documentation'
• --long-description-format FORMAT: Custom long description format for your ZIM. Value will be truncated to 4000 chars.Default: '{full_name} documentation by DevDocs'
• --tag TAG: Add tag to the ZIM. Use --tag several times to add multiple. Formatting is supported. Default: ['devdocs', '{slug_without_version}']
• --logo-format FORMAT: URL/path for the ZIM logo in PNG, JPG, or SVG format. Formatting placeholders are supported. If unset, a DevDocs logo will be used.

Formatting Placeholders

The following formatting placeholders are supported:

• {name}: Human readable name of the resource e.g. Python.
• {full_name}: Name with optional version for the resource e.g. Python 3.12.
• {slug}: Devdocs slug for the resource e.g. python~3.12.
• {clean_slug}: Slug with non alphanumeric/period characters replaced with - e.g. python-3.12.
• {slug_without_version}: Devdocs slug for the resource without the version e.g. python.
• {version}: Shortened version displayed in devdocs, if any e.g. 3.12.
• {release}: Specific release of the software the documentation is for, if any e.g. 3.12.1.
• {attribution}: License and attribution information about the resource.
• {home_link}: Link to the project's home page, if any: e.g. https://python.org.
• {code_link}: Link to the project's source, if any: e.g. https://github.com/python/cpython.
• {period}: The current date in YYYY-MM format e.g. 2024-02.

Developing

Use the commands below to set up the project once:

# Install hatch if it isn't installed already.
❯ pip install hatch

# Local install (in default env) / re-sync packages
❯ hatch run pip list

# Set-up pre-commit
❯ pre-commit install

The following commands can be used to build and test the scraper:

# Show scripts
❯ hatch env show

# linting, testing, coverage, checking
❯ hatch run lint:all
❯ hatch run lint:fixall

# run tests on all matrixed' envs
❯ hatch run test:run

# run tests in a single matrixed' env
❯ hatch env run -e test -i py=3.12 coverage

# run static type checks
❯ hatch env run check:all

# building packages
❯ hatch build

Contributing

This project adheres to openZIM's Contribution Guidelines.

This project has implemented openZIM's Python bootstrap, conventions and policies v1.0.3.