[TIP] Disable keyboard shortcuts in html coverage reports?

Ned Batchelder ned at nedbatchelder.com
Sun Mar 2 19:22:59 PST 2014

On 3/2/14 4:37 PM, Thomi Richards wrote:
> Hi Ned,
>     Thomi, I don't see this issue on Mac 10.8 or on Precise in either
>     Firefox or Chrome.
> I looked into this some more, my findings are below:
> If you're using the Ubuntu distribution packages, the Precise package 
> is coverage version 3.6, and trusty is 3.7. There are some 
> distro-patches in the Ubuntu packages, the most suspicious one 
> replaces the JS files packaged with coverage with ones from the 
> distribution JS library. *However*, I can get this to break with the 
> version of coverage from pypi as well (see below).
> I've managed to track the problem down to the 'jquery.hotkeys.js' 
> file. In Precise this is version '0.8', in trusty it's '0.8+'. If I 
> replace that file with the version from precise then everything works 
> again. The diff is reasonably small, but my JS skills aren't up to the 
> task of debugging exactly where is the issue is.
This sounds like the problem is not in coverage.py at all, but in the 
jquery.hotkeys.js file it depends on?  Perhaps Trusty shouldn't take a 
new version, or you can get in touch with the developer?

> I've created a simple bash script that will reproduce the issue:
> https://gist.github.com/thomir/9314320
> download to 'reproducer.sh' and either run:
> ./reproducer.sh -fail
> to open the web browser in an html coverage report that exhibits the 
> bug, or run without '-fail' to open the browser in a report that works 
> as expected. To see the bug, open one of the file reports, and press 
> the 'Alt' key. In the failing version, the alt key triggers all the 
> line highlights.
> Please let me know if I can do anything else to help track down this 
> bug. Hopefully with the above script you can reproduce it as well.
> Cheers,
> -- 
> Thomi Richards
> thomi.richards at canonical.com <mailto:thomi.richards at canonical.com>

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