add a better ignore system when generating the site

doc/configuration.toml

@@ -45,6 +45,10 @@ tldr = "clipboard-list"
 todo = "circle-check"
 warning = "triangle-alert"
 
+[generate]
+# Ignore these entries when generating the site.
+ignore = [".git"]
+
 [templates]
 # The template directory name under the Obsidian vault. Default is ".dragonglass.tmpl".
 directory = ".dragonglass.tmpl"

src/dragonglass/config.py

@@ -93,6 +93,7 @@ class Context:
         self.src_index: SourceIndex | None = None
         self.current_node: SourceNode | None = None
         self._default_template_name: str | None = None
+        self._ignore_patterns: list[str] = []
         self._extensions: list[Extension] = []
 
     def load_config(self, args: Namespace) -> None:
@@ -111,8 +112,12 @@ class Context:
 
         # Load several base variables.
         templates_section = self.config.get("templates", {})
-        self.template_dir = self.source_dir / templates_section.get("directory", DEFAULT_TEMPLATE_DIRECTORY)
+        template_dirname = templates_section.get("directory", DEFAULT_TEMPLATE_DIRECTORY)
+        self.template_dir = self.source_dir / template_dirname
+        self._ignore_patterns.append(template_dirname)
         self._default_template_name = templates_section.get("default", DEFAULT_TEMPLATE_NAME)
+        generate_section = self.config.get("generate", {})
+        self._ignore_patterns.extend(generate_section.get("ignore", []))
 
         # Load the extensions.
         extensions_section = self.config.get("extensions", {})
@@ -177,6 +182,18 @@ class Context:
         rc = links_section.get("prefix", "/")
         return rc if rc.endswith("/") else rc + '/'
 
+    def file_ignored(self, filename: Path) -> bool:
+        """
+        Returns ``True`` if a given filename should be ignored, ``False`` if not.
+
+        Args:
+            filename (Path): The filename to be tested.
+        """
+        for pat in self._ignore_patterns:
+            if filename.match(pat):
+                return True
+        return False
+
     def get_template_name_for_node(self, node: SourceNode) -> str:
         """
         Returns the name of a template to be used to render the current node.

src/dragonglass/dragonglass.py

@@ -76,7 +76,7 @@ def main() -> int:
 
         context.load_config(args)
 
-        nodes = generate_list(context.source_dir)
+        nodes = generate_list(context, context.source_dir)
         for node in nodes:
             logger.info(f"Loading metadata for {node}")
             context.current_node = node

src/dragonglass/tree.py

@@ -176,7 +176,7 @@ class SourceNode:
         }
 
 
-def generate_list(source_root: Path) -> list[SourceNode]:
+def generate_list(ctxt: Any, source_root: Path) -> list[SourceNode]:
     """
     Generates the list of source nodes from the source path (Obsidian vault).
 
@@ -197,6 +197,8 @@ def generate_list(source_root: Path) -> list[SourceNode]:
                 if rchild.match(pat):
                     add_me = False
                     break
+            if add_me and ctxt.file_ignored(rchild):
+                add_me = False
             if add_me:
                 nodes.append(SourceNode(source_root, rchild, child.is_dir()))
                 if child.is_dir():