fix(cli): broken --show-config command (#419)

Fix and improve the command.

Author: jeertmans

CHANGELOG.md

@@ -15,9 +15,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Added CI for broken HTML links and fixed, plus spell checking.
   [#417](https://github.com/jeertmans/manim-slides/pull/417)
-- Create FAQ page and clear FAQ from README.md
+- Create FAQ page and clear FAQ from README.md.
   [#418](https://github.com/jeertmans/manim-slides/pull/418)
 
+(unreleased-fixed)=
+### Fixed
+
+- Fixed broken `--show-config` command.
+  [#419](https://github.com/jeertmans/manim-slides/pull/419)
+
 
 (v5.1.4)=
 ## [v5.1.4](https://github.com/jeertmans/manim-slides/compare/v5.1.3...v5.1.4)

docs/source/faq.md

@@ -25,7 +25,7 @@ Questions related to `manim-slides render [SCENES]...`,
 
 ### I cannot render with ManimGL
 
-ManimGL support is only garanteed to work
+ManimGL support is only guaranteed to work
 on a very minimal set of versions, because it differs quite a lot from ManimCE,
 and its development is not very active.
 

manim_slides/convert.py

@@ -568,11 +568,14 @@ def callback(ctx: Context, param: Parameter, value: bool) -> None:
 
         to = ctx.params.get("to", "html")
 
-        converter = Converter.from_string(to)(
-            presentation_configs=[PresentationConfig()]
-        )
-        for key, value in converter.dict().items():
-            click.echo(f"{key}: {value!r}")
+        converter = Converter.from_string(to)
+
+        for key, field in converter.model_fields.items():
+            if field.is_required():
+                continue
+
+            default = field.get_default(call_default_factory=True)
+            click.echo(f"{key}: {default}")
 
         ctx.exit()