Archivers

Crawlers that scrape URLs from domains and submit them to ArchiveBox.

domain_archiver
gov_archiver

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Table of Contents

• Features
• Getting Started
  • Prerequisites
  • Installation
• Usage
  • Domain Archiver
  • Gov Archiver
• Configuration
• Docker
• Contributing
• License

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Features

• Parallel crawling of multiple domains.
• Respects robots.txt (optional).
• Parses sitemaps (XML) for seed URLs.
• Filters out unwanted domains or URLs.
• Submits discovered URLs in bulk to ArchiveBox (v0.8.0+) via its REST API.

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Getting Started

Prerequisites

• Python ≥ 3.8
• pip
• (optional) Docker & docker-compose
• ArchiveBox v0.8.0 or higher (features REST API)

Installation

# Clone the repo
git clone https://github.com/egg82/archivers.git
cd archivers
# Install the domain-archivercd domain_archiver
python3 -m pip install -r requirements.txt
# .. or install the gov-archivercd ../gov_archiver
python3 -m pip install -r requirements.txt

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Usage

All options are passed in via environment variables.

Domain Archiver

export ARCHIVEBOX_URL="https://archivebox.example.com"export API_TOKEN="your_api_token"export DOMAIN_LIST="example.com;test.com"export TAG="archivebox-tag"# tuningexport DEPTH_LIMIT=1
export CRAWL_DELAY=0.5
export SIMULTANEOUS_DOMAINS=3
export THREADS_PER_DOMAIN=8
export FOLLOW_ROBOTS=true
export LOG_LEVEL=info
# optional: customize which URLs to include# export URL_FILTERS_REGEX="^https?://([A-Za-z0-9-]+\.)*example\.com(/.*)?$"# Optional: to use Redis for parallel crawling, very deep, or resumable crawls# export REDIS_URL="redis://redis-host:6379/0"
python3 import.py

Gov Archiver

export ARCHIVEBOX_URL="https://archivebox.example.com"export API_TOKEN="your_api_token"export TAG="gov-run-$(date +%Y%m%d)"export DEPTH_LIMIT=0
export CRAWL_DELAY=0.2
export SIMULTANEOUS_DOMAINS=5
export THREADS_PER_DOMAIN=4
export FOLLOW_ROBOTS=true
export LOG_LEVEL=info
# optional: customize which URLs to include# export URL_FILTERS_REGEX="^https?://([A-Za-z0-9-]+\.)*example\.com(/.*)?$"# Optional: to use Redis for parallel crawling, very deep, or resumable crawls# export REDIS_URL="redis://redis-host:6379/0"
python3 import.py

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Configuration

Variable	Description
ARCHIVEBOX_URL	Base URL of your ArchiveBox instance (no trailing slash).
API_TOKEN	Bearer token for the ArchiveBox REST API.
TAG	Tag to apply to all submitted URLs.
DOMAIN_LIST (domain_archiver)	Semicolon-separated list of domains to crawl.
FOLLOW_ROBOTS	1/true/yes/0/false/no - whether to obey robots.txt.
URL_FILTERS_REGEX	(Optional) Semicolon-separated regexes to override default URL filters.
EXCLUDE_URLS_REGEX	(Optional) Regex to override default exclude URLs. (default: skips archiving various file extensions)
NO_CRAWL_URLS_REGEX	(Optional) Regex to override default no-crawl URLs. (default: skips crawling various file extensions)
DOMAIN_TYPE_NEGATIVE_FILTER_REGEX (gov_archiver)	Regex to exclude certain “Domain type” values when fetching the .gov list.
DEPTH_LIMIT	How many link-hops from each seed URLs (0 = just the seeds).
CRAWL_DELAY	Seconds to wait between requests to the same site.
SIMULTANEOUS_DOMAINS	Number of domains to crawl in parallel.
THREADS_PER_DOMAIN	Threads per domain for recursive crawling.
REQUEST_TIMEOUT	HTTP timeout (seconds) for all requests.
USER_AGENT	User-agent string to present when fetching pages or robots.txt.
LOG_LEVEL	debug, info, warn, error, or critical.
REDIS_URL	(Optional) Redis URL, e.g. redis://<host>:6379/0. Only required for parallel crawling or very deep (or resumable) crawls.
REDIS_USER	(Optional) Username for Redis authentication.
REDIS_PASS	(Optional) Password for Redis authentication.
REDIS_NAMESPACE	Namespace/prefix for all Redis keys (default: crawler).

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Docker

You can also run either archiver via Docker Hub images:

# Domain Archiver
docker run --rm \
-e ARCHIVEBOX_URL="https://archivebox.example.com" -e API_TOKEN="your_api_token" -e DOMAIN_LIST="example.com;test.com" \
egg82/domain_archiver:1.0.1-alpine
# Gov Archiver
docker run --rm \
-e ARCHIVEBOX_URL="https://archivebox.example.com" -e API_TOKEN="your_api_token" \
egg82/gov_archiver:1.0.1-alpine

If you want to build locally:

cd domain_archiver
docker build -t domain_archiver-local --file Dockerfile-alpine .cd ../gov_archiver
docker build -t gov_archiver-local --file Dockerfile-alpine .

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Contributing

1. Fork the repo
2. Create a feature branch
3. Submit a pull request

Please open an issue first for major changes or feature requests.

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License

This project is licensed under the MIT License - see LICENSE for details.