#33494: Collectstatic fails with Django 4 and
SourcemapManifestStaticFilesStorage
-------------------------------------+-------------------------------------
Reporter: Felix | Owner: nobody
Kleinekathöfer |
Type: Bug | Status: new
Component: contrib.staticfiles | Version: 4.0
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Felix Kleinekathöfer:
Old description:
> I've tried updating a django app to 4.0. We are building our scripts with
> gulp which are then collected by
> Django. Here is an example script asset which is being picked up:
>
> {{{
> "use strict";
>
> (function () {
> // Automatically check "Uploaded avatar" radio button if user selects
> an avatar.
> Array.prototype.forEach.call(document.querySelectorAll('.avatar-image-
> upload'), function (el) {
> var form = el.closest('form');
> var radioButton =
> form.querySelector('input[type=radio][name=avatar_from][value=upload]');
> el.addEventListener('change', function () {
> if (el.value === '') return;
> radioButton.checked = true;
> });
> });
> })();
>
> //#
> sourceMappingURL=../../../../maps/spongeauth/static/scripts/app.js.map
> }}}
>
> This file worked well with Django 3 but now it ends up in a KeyError:
>
> {{{
> app_1 | + /home/spongeauth/env/bin/python spongeauth/manage.py
> collectstatic --noinput
> app_1 | Traceback (most recent call last):
> app_1 | File "/home/spongeauth/app/spongeauth/manage.py", line 28,
> in <module>
> app_1 | execute_from_command_line(sys.argv)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/core/management/__init__.py", line 425, in
> execute_from_command_line
> app_1 | utility.execute()
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/core/management/__init__.py", line 419, in execute
> app_1 | self.fetch_command(subcommand).run_from_argv(self.argv)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/core/management/base.py", line 373, in run_from_argv
> app_1 | self.execute(*args, **cmd_options)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/core/management/base.py", line 417, in execute
> app_1 | output = self.handle(*args, **options)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/management/commands/collectstatic.py",
> line 187, in handle
> app_1 | collected = self.collect()
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/management/commands/collectstatic.py",
> line 128, in collect
> app_1 | for original_path, processed_path, processed in processor:
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/storage.py", line 426, in
> post_process
> app_1 | yield from super().post_process(*args, **kwargs)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/storage.py", line 247, in
> post_process
> app_1 | for name, hashed_name, processed, _ in
> self._post_process(paths, adjustable_paths, hashed_files):
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/storage.py", line 312, in
> _post_process
> app_1 | content = pattern.sub(converter, content)
> app_1 | File "/home/spongeauth/env/lib/python3.10/site-
> packages/django/contrib/staticfiles/storage.py", line 173, in converter
> app_1 | matched = matches['matched']
> app_1 | KeyError: 'matched'
> }}}
>
> I can't find a note on the migration docs that sourceFileMappingURLs need
> to be changed, so I suspect this being a bug.
>
> Source: https://github.com/SpongePowered/SpongeAuth/pull/926
New description:
I've tried updating a django app to 4.0. We are building our scripts with
gulp which are then collected by
Django. Here is an example script asset which is being picked up:
{{{
"use strict";
(function () {
// Automatically check "Uploaded avatar" radio button if user selects an
avatar.
Array.prototype.forEach.call(document.querySelectorAll('.avatar-image-
upload'), function (el) {
var form = el.closest('form');
var radioButton =
form.querySelector('input[type=radio][name=avatar_from][value=upload]');
el.addEventListener('change', function () {
if (el.value === '') return;
radioButton.checked = true;
});
});
})();
//# sourceMappingURL=../../../../maps/spongeauth/static/scripts/app.js.map
}}}
This file worked well with Django 3 but now it ends up in a KeyError:
{{{
app_1 | + /home/spongeauth/env/bin/python spongeauth/manage.py
collectstatic --noinput
app_1 | Traceback (most recent call last):
app_1 | File "/home/spongeauth/app/spongeauth/manage.py", line 28, in
<module>
app_1 | execute_from_command_line(sys.argv)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/core/management/__init__.py", line 425, in
execute_from_command_line
app_1 | utility.execute()
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/core/management/__init__.py", line 419, in execute
app_1 | self.fetch_command(subcommand).run_from_argv(self.argv)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/core/management/base.py", line 373, in run_from_argv
app_1 | self.execute(*args, **cmd_options)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/core/management/base.py", line 417, in execute
app_1 | output = self.handle(*args, **options)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/management/commands/collectstatic.py",
line 187, in handle
app_1 | collected = self.collect()
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/management/commands/collectstatic.py",
line 128, in collect
app_1 | for original_path, processed_path, processed in processor:
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/storage.py", line 426, in post_process
app_1 | yield from super().post_process(*args, **kwargs)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/storage.py", line 247, in post_process
app_1 | for name, hashed_name, processed, _ in
self._post_process(paths, adjustable_paths, hashed_files):
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/storage.py", line 312, in
_post_process
app_1 | content = pattern.sub(converter, content)
app_1 | File "/home/spongeauth/env/lib/python3.10/site-
packages/django/contrib/staticfiles/storage.py", line 173, in converter
app_1 | matched = matches['matched']
app_1 | KeyError: 'matched'
}}}
I can't find a note on the migration docs that sourceFileMappingURLs need
to be changed, so I suspect this being a bug.
I think this RegEx is the problem:
https://github.com/django/django/blob/main/django/contrib/staticfiles/storage.py#L61.
The "matched" group matches nothing. It should be something like
{{{
(?m)(?P<matched>[\s\S]*)^(//# (?-i:sourceMappingURL)=(?P<url>.*))$
}}}
maybe. I also do not see any sourceMappingURL support for css. Has it been
removed?
Source: https://github.com/SpongePowered/SpongeAuth/pull/926
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Ticket URL: <https://code.djangoproject.com/ticket/33494#comment:1>
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