Re: [PULL v2 0/1] readthedoc theme patch

[Peter Maydell]

On Thu, 13 May 2021 at 17:03, Marc-André Lureau
<marcandre.lureau@gmail.com> wrote:
> This should work, can you check?:
>
> diff --git a/docs/conf.py b/docs/conf.py
> index 3802b70d62..9e3d7cee0e 100644
> --- a/docs/conf.py
> +++ b/docs/conf.py
> @@ -29,6 +29,7 @@
>  import os
>  import sys
>  import sphinx
> +from packaging.version import parse as parse_version
>  from sphinx.errors import ConfigError
>
>  # Make Sphinx fail cleanly if using an old Python, rather than obscurely
> @@ -162,7 +163,7 @@
>  # Theme options are theme-specific and customize the look and feel of a theme
>  # further.  For a list of options available for each theme, see the
>  # documentation.
> -if html_theme == 'sphinx_rtd_theme':
> +if parse_version(sphinx_rtd_theme.__version__) >= parse_version('0.4.3'):
>      html_theme_options = {
>          "style_nav_header_background": "#802400",
>      }

This fails:

../../docs/meson.build:30: WARNING: /usr/bin/sphinx-build:
Configuration error:
There is a programable error in your configuration file:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/config.py", line 157, in __init__
    execfile_(filename, config)
  File "/usr/lib/python3/dist-packages/sphinx/util/pycompat.py", line
150, in execfile_
    exec_(code, _globals)
  File "conf.py", line 32, in <module>
    from packaging.version import parse as parse_version
ModuleNotFoundError: No module named 'packaging'




> However, we agreed before to not have support fallbacks for missing deps. 
> Perhaps we should require rtd >= 0.4.3 instead?

That would prevent the docs from building on too many platforms,
I think. 0.4.3 was only released upstream in Feb 2019.

thanks
-- PMM