Dumping out an accessibility tree¶
The shot-scraper accessibility
command dumps out the Chromium accessibility tree for the provided URL, as JSON:
shot-scraper accessibility https://datasette.io/
Use -o filename.json
to write the output to a file instead of displaying it.
Add --javascript SCRIPT
to execute custom JavaScript before taking the snapshot.
shot-scraper accessibility --help
¶
Full --help
for this command:
Usage: shot-scraper accessibility [OPTIONS] URL
Dump the Chromium accessibility tree for the specifed page
Usage:
shot-scraper accessibility https://datasette.io/
Options:
-a, --auth FILENAME Path to JSON authentication context file
-o, --output FILENAME
-j, --javascript TEXT Execute this JS prior to taking the snapshot
--timeout INTEGER Wait this many milliseconds before failing
--log-console Write console.log() to stderr
--fail Fail with an error code if a page returns an HTTP error
--skip Skip pages that return HTTP errors
--bypass-csp Bypass Content-Security-Policy
--auth-password TEXT Password for HTTP Basic authentication
--auth-username TEXT Username for HTTP Basic authentication
--help Show this message and exit.