add builder

src/zona/builder.py

@@ -1,4 +1,6 @@
-from zona.models import Item, Metadata
+from zona.models import Item, Metadata, ItemType
+from zona import markdown as zmd
+from zona import util
 from pathlib import Path
 import frontmatter
 from dacite import from_dict
@@ -29,20 +31,35 @@ def discover(root: Path, out_dir: Path) -> list[Item]:
     for path in base.rglob("*"):
         if path.is_file():
             print(f"{subdir}: {path.relative_to(root)}")
-            if path.name.endswith(".md") and not path.is_relative_to(
-                root / "content" / "static"
-            ):
-                meta, content = split_metadata(path)
-            else:
-                meta = None
-                content = path.read_bytes()
+            # we only parse markdown files not in static/
             destination = out_dir / path.relative_to(base)
             item = Item(
                 source=path,
                 destination=destination,
                 url=str(destination.relative_to(out_dir)),
-                metadata=meta,
-                content=content,
             )
+            if path.name.endswith(".md") and not path.is_relative_to(
+                root / "content" / "static"
+            ):
+                item.metadata, item.content = split_metadata(path)
+                item.type = ItemType.MARKDOWN
+                item.copy = False
+                item.destination = destination.with_suffix(".html")
             items.append(item)
     return items
+
+
+def build(items: list[Item]):
+    for item in items:
+        dst = item.destination
+        # create parent dirs if needed
+        if item.type == ItemType.MARKDOWN:
+            assert item.content is not None
+            # parse markdown and render as html
+            raw_html = zmd.md_to_html(item.content)
+            # TODO: apply to template here
+            util.ensure_parents(dst)
+            dst.write_text(raw_html, encoding="utf-8")
+        else:
+            if item.copy:
+                util.copy_static_file(item.source, dst)

src/zona/models.py

@@ -1,6 +1,8 @@
 from pathlib import Path
+from enum import Enum
 from datetime import date
 from dataclasses import dataclass
+from typing import Literal
 
 
 @dataclass
@@ -11,10 +13,18 @@ class Metadata:
     # add more options later...
 
 
+class ItemType(Enum):
+    MARKDOWN = "markdown"
+    HTML = "html"
+    IMAGE = "image"
+
+
 @dataclass
 class Item:
     source: Path
     destination: Path
     url: str  # relative to site root
-    metadata: Metadata | None  # frontmatter
-    content: str | bytes
+    metadata: Metadata | None = None  # frontmatter
+    content: str | None = None
+    type: ItemType | None = None
+    copy: bool = True

src/zona/util.py

@@ -0,0 +1,13 @@
+from pathlib import Path
+from shutil import copy2
+
+
+def ensure_parents(target: Path):
+    """Ensure the target's parent directories exist."""
+    target.parent.mkdir(parents=True, exist_ok=True)
+
+
+def copy_static_file(src: Path, dst: Path):
+    """Copy a static file from one location to another."""
+    ensure_parents(dst)
+    copy2(src, dst)