Initial implementation of dataloader

The intention of this is to allow access to static data stored in
YAML files from within templates without having to do too much weird
scaffolding inside of the generator

generator/process.py

@@ -114,7 +114,7 @@ def content(base_dir: Path, output_dir: Path, jinja_env: Environment, site_confi
             #     f"[white] => {target_path}[/white]"
             # )
 
-            ctx = {"site": site_config}
+            ctx = {"site": site_config, "data": DataLoader(base_dir / "data")}
             _template_frontmatter(tpl_frontmatter, jinja_env, ctx)
 
             if "canonicalURL" not in tpl_frontmatter and not tpl_frontmatter.get(
@@ -136,6 +136,7 @@ def content(base_dir: Path, output_dir: Path, jinja_env: Environment, site_confi
             match filetype:
                 case _FileType.HTML_TEMPLATE:
                     if not tpl_frontmatter.get("isTemplate", True):
+                        # this is only done since we need to set a jinja template object for later on
                         ctx["x"] = raw_tpl
                         tpl = jinja_env.from_string("{{ x | safe }}")
                     else:

generator/util.py

@@ -87,3 +87,29 @@ def debounce(wait_time):
         return debounced
 
     return decorator
+
+
+class DataLoader:
+    _base_path: Path
+    _store: dict[str, any]
+
+    def __init__(self, base_path: str | Path):
+        self._store = {}
+        self._base_path = Path(base_path)
+
+    def __getitem__(self, key):
+        print(f"DataLoader.__getitem__(self, {key=})")
+
+        if key in self._store:
+            return self._store[key]
+
+        p = (self._base_path/key).with_suffix(".yml")
+        
+        with open(p) as f:
+            raw_data = f.read()
+
+        data = load_yaml(raw_data)
+
+        self._store[key] = data
+
+        return data