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Fix AttributeError when one of css_files is a string #1537

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merged 1 commit into from
Oct 30, 2023

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@mitya57 mitya57 commented Oct 28, 2023

Unfortunately, the last version of #1528 still did not work properly in some cases.

When css_files comes from Sphinx, every item of this list is an instance of _CascadingStyleSheet class, and css_tag works with it.

However, some projects override css_files in their templates:

or pass css_files to HTML context explicitly from conf.py:

To make build of these projects succeed, we need to support css_file being a string.
Here I copied the logic from Sphinx itself.

See this Debian bug for the logs of the failed builds.

@mitya57 mitya57 requested a review from a team as a code owner October 28, 2023 12:53
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Bah, I thought we were about ready for a 2.0 release too. Thanks for the heads up and the keen eye on this @mitya57

The changes here look good to me. I don't have any strong input on the most correct logic to use here either though. But we are back to close to what we had originally, so I would assume we are in a safer place.

I was going to put out 2.0 tomorrow, but I'll aim for a 2.0rc4 today instead.

@agjohnson agjohnson merged commit 4498e97 into readthedocs:master Oct 30, 2023
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@mitya57 mitya57 deleted the css-files branch October 30, 2023 18:46
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2.0.0rc4 is now out!

khancyr pushed a commit to ArduPilot/sphinx_rtd_theme that referenced this pull request Jul 15, 2024
* 2.0 milestone: drop supported versions

The new policy is:

- Python >=3.6
- Sphinx >= 5
- HTML4 and HTML5 writer
- docutils >= 0.14, < 0.19

* Update roadmap after discussion

By the beginning of 2024 we should support newer Sphinx versions and HTML5 only.

* Remove Python 2.7 from CircleCI

* Run only supported versions on Python 3.11

* Update with feedback from review

* Update documentation to match our support

* Add Sphinx 6.2 that was missing

* Update tox/circleci to work

* Revert tox command

* Drop support for HTML4 and keep `-qa` testing

- drop support for HTML4 on 2.0
- keep `-qa` TOX environment to be able to compare feature branches
- emit `logger.errors` on Python 2 and html_writer4=True
- require Sphinx >= 5.0
- remove logic for old Sphinx versions

* Update Tox and CircleCI

* Update contributing page to match our plans

---------

Co-authored-by: Anthony Johnson <aj@ohess.org>

Release 2.0.0rc1 (readthedocs#1510)

* Release 2.0.0rc1

* Update npm lock file

Bump to next release 2.0.0rc2 (readthedocs#1511)

Docs: Remove "git install" method from instructions (readthedocs#1375)

* Remove instructions "encouraging" to install directly from git

* Update changelog: Add reminder that people should not install directly from git

* Update docs/changelog.rst

---------

Co-authored-by: Manuel Kaufmann <humitos@gmail.com>

Visual test with Firefox and tox (readthedocs#1513)

* Visual test with Firefox and tox

Allows developer to run

```
tox -e py310-sphinx72-firefox
```

This will run the tests and open a Firefox after building the demo site
showing the `demo/demo.html` page on it.

Then, you can also run:

```
tox -e py310-sphinx61-firefox
```

and compare the visual differences.

Idea copied from readthedocs#1388
Closes readthedocs#1388

* Default value for `DISPLAY` and `--new-tab`

* Simplify the idea :)

Remove Python2 leftovers (readthedocs#1514)

Docs: update Read the Docs config (readthedocs#1518)

Use the latest config file style.

Set data-content_root for Sphinx ≥ 7.2 (readthedocs#1507)

This attribute is now required by searchtools.js:
https://github.com/sphinx-doc/sphinx/blob/v7.2.2/sphinx/themes/basic/static/searchtools.js#L65

When it's not set, loading search results via AJAX will be broken
because the JS code will attempt to load paths like /undefinedfoo.html.

Co-authored-by: Manuel Kaufmann <humitos@gmail.com>

Use `css_tag` helper to inject CSS files (readthedocs#1519)

* Use `css_tag` helper to inject CSS files

* Typo

Add support for `docutils==0.20.x` (readthedocs#1517)

Closes readthedocs#1516

Release 2.0rc2 (readthedocs#1520)

Version bump for 2.0rc3 development (readthedocs#1521)

Next development version is 2.0rc3 for now, but more likely 2.1rc1

Fix readthedocs#1522: fix `'str' object has no attribute 'attributes'` (readthedocs#1528)

* Fix readthedocs#1522: fix attribute error if css is str

* Revert "Fix readthedocs#1522: fix attribute error if css is str"

This reverts commit b22a77f.

* Use `css_tag` only for standard CSS files from Sphinx

... and keep using the custom `link` HTML tag for CSS files included via the
HTML theme option `extra_css_files`.

* Normalize template variables

---------

Co-authored-by: Manuel Kaufmann <humitos@gmail.com>
Co-authored-by: Anthony Johnson <aj@ohess.org>

Release 2.0.0rc3 (readthedocs#1535)

Increment for next potential release (readthedocs#1536)

Fix AttributeError when one of `css_files` is a string (readthedocs#1537)

Fix AttributeError when one of css_files is a string

Release 2.0.0rc4 (readthedocs#1538)

Bump for next potential release, 2.0.0rc5 (readthedocs#1539)

Release 2.0 final (readthedocs#1544)
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