Ace v0.3.0

This is a pre-release of Ace, the Accessibility Checker for EPUB developed by the DAISY Consortium.

Features

• CLI: improve handling of overrides to the report directory
  • by default, abort running when the directory exissts
  • add a --force option to override files
  • add a --subdir option to write the report in a subdirectory named after the EPUB
• Initial vision the an HTTP API, see documentation in the wiki
• Extract more info from HTML content
  • list additional noteworthy elements in the data section of the report (e.g. audio, video, iframes, etc)
  • add a new properties section in the report to hold informative statements on the content (e.g. hasPageBreaks, hasMathML)
• Report EPUB-specific violations as EARL assertions
  • missing title
  • missing a11y metadata
  • missing page break source
• Various improvements to the HTML report’s UX
• Add a summary of accessibility metadata
• Disable aXe’s bypass rule, which makes little sense in an EPUB context
• Support checking of unpackaged EPUBs
• Generally improved error handling
• Add integration tests

Bug fixes:

• Fix multiple issues that prevented Ace to be run concurrently, or sequentially on the same document
• Don’t hang if an error occurs during the checking of HTML Content Documents
• Fixed various knowledge base links
• Don’t choke on –and report– missing links in the knowledge base
• Prevent files to leak outside the output directory
• The HTML report now renders correctly when no violations were found

Details

See the detailed commit log