added frontmatter date parsing

src/zona/metadata.py

@@ -1,7 +1,7 @@
 from dataclasses import dataclass
-from rich import print
 from pathlib import Path
 from datetime import date
+from dateutil import parser as date_parser
 
 from dacite.config import Config
 from dacite.core import from_dict
@@ -23,6 +23,13 @@ class Metadata:
     post: bool | None = None
 
 
+def parse_date(raw_date: str | date | object) -> date:
+    if isinstance(raw_date, date):
+        return raw_date
+    assert isinstance(raw_date, str)
+    return date_parser.parse(raw_date).date()
+
+
 def parse_metadata(path: Path) -> tuple[Metadata, str]:
     """
     Parses a file and returns parsed Metadata and its content. Defaults
@@ -42,6 +49,7 @@ def parse_metadata(path: Path) -> tuple[Metadata, str]:
         "date": date.fromtimestamp(path.stat().st_ctime),
     }
     meta = {**defaults, **raw_meta}
+    meta["date"] = parse_date(meta.get("date"))
     try:
         metadata = from_dict(
             data_class=Metadata,