[Django] #35055: `collectstatic` tries to parse commented out lines in CSS files as a valid code with `ManifestStaticFilesStorage `

[Django]

#35055: `collectstatic` tries to parse commented out lines in CSS files as a valid
code with `ManifestStaticFilesStorage `
-------------------------------------+-------------------------------------
Reporter: Denis | Owner: nobody
Pechenev |
Type: Bug | Status: new
Component: Core | Version: 4.2
(Management commands) | Keywords: collectstatic,
Severity: Normal | ManifestStaticFilesStorage
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Recently jQuery developers released the new version of `jquery-ui` (
https://blog.jqueryui.com/2022/07/jquery-ui-1-13-2-released/ ). This
version contains a commented out line in `jqery-ui.min.css`. The comment
line contains the following `url(%22images%2Fui-
icons_555555_256x240.png%22)`.

When running `collectstatic` command Django tries to parse the whole file
with regular expression and finds strings like `url(%22images%2Fui-
icons_555555_256x240.png%22)` as a valid urls to files. So it builds the
url path like the following `css/vendor/"images/ui-
icons_555555_256x240.png"` and tries to open a file with such URL. Because
of extra quotes in the path it throws an exception that the file doesn't
exist.

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Ticket URL: <https://code.djangoproject.com/ticket/35055>
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