Simple crawler to download images referenced in wikimedia export

Kudos to Simeon Andreev for posting the initial version.

This tool was created to help with migrating content from the deprecated wikimedia wiki of the Eclipse Foundation to markdown files which can be hosted elsewhere e.g. in a GitHub wiki.

Steps which worked for me to convert the wiki pages of the Eclipse JGit and EGit projects

• ensure all wiki pages have a common category
  • added [[Category:JGit]] to all JGit pages
  • and [[Category:EGit]] to all EGit pages
• open https://wiki.eclipse.org/Special:Export
• select pages to export manually or using the category name
• export them to an xml file per project

$ docker run -it --rm --entrypoint /bin/bash -v "$(pwd)":/wikiexport php:8.2

$ curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
$ apt-get update && apt-get install -y git vim pandoc
$ git clone https://github.com/outofcontrol/mediawiki-to-gfm.git
$ cd mediawiki-to-gfm/
$ composer update --no-dev

$ ./convert.php --filename=/wikiexport/jgit-wiki.xml --output=/wikiexport/markdown/jgit/
Converted: /wikiexport/markdown/jgit/JGit
Converted: /wikiexport/markdown/jgit/JGit/FAQ
Converted: /wikiexport/markdown/jgit/JGit/User_Guide
3 files converted

$ ./convert.php --filename=/wikiexport/egit-wiki.xml --output=/wikiexport/markdown/egit/
Converted: /wikiexport/markdown/egit/EGit
Converted: /wikiexport/markdown/egit/EGit/Contributor_Guide
Converted: /wikiexport/markdown/egit/EGit/FAQ
Converted: /wikiexport/markdown/egit/EGit/Helios_Rampdown_Plan
Converted: /wikiexport/markdown/egit/EGit/Learning_Material
Converted: /wikiexport/markdown/egit/EGit/New_and_Noteworthy
Converted: /wikiexport/markdown/egit/EGit/User_Guide
7 files converted

Download images referenced in the exported wiki pages

• Open the project EclipseWikiCrawler in Eclipse IDE
• configure path of xml file downloaded from https://wiki.eclipse.org/Special:Export by editing the constant INPUT_WIKIEXPORT_XML_FILE
• configure path of output directory containing markdown files converted from the wiki export xml file by editing constant OUTPUT_DIR
• run the main method of EclipseWikiCrawler to download the images referenced in the wikimedia export