add special classes attribute in the quarto_attributes hook

README.md

@@ -271,6 +271,8 @@ if __name__ == "__main__":
 ```
 ~~~
 
+The `id` attribute is reserved for the code's identifier (normally indicated with `#`) and the `classes` attribute can be used to indicate a list of classes in addition to the language class already given.
+
 ## Brei
 Entangled has a small build engine (similar to GNU Make) embedded, called Brei. You may give it a list of tasks (specified in TOML) that may depend on one another. Brei will run these when dependencies are newer than the target. Execution is lazy and in parallel. Brei supports:
 

entangled/hooks/quarto_attributes.py

@@ -3,7 +3,7 @@
 from itertools import takewhile
 import yaml
 
-from ..properties import Attribute, Id
+from ..properties import Attribute, Class, Id
 from ..document import ReferenceId, ReferenceMap, CodeBlock
 from .base import HookBase
 from ..logging import logger
@@ -37,6 +37,10 @@ def on_read(self, code: CodeBlock):
 
         if "id" in attrs:
             code.properties.append(Id(attrs["id"]))
+
+        if "classes" in attrs:
+            code.properties.extend(Class(c) for c in attrs["classes"])
+
         code.properties.extend(Attribute(k, v) for k, v in attrs.items())
 
         log.debug("quarto attributes: %s", attrs)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "entangled-cli"
-version = "2.1.4"
+version = "2.1.5"
 description = "Literate Programming toolbox"
 repository = "https://github.com/entangled/entangled.py"
 homepage = "https://entangled.github.io/"