Fix template search path

the source file path is now forwarded to the Harness object and on to the HTML generator code. Its the last argument to keep API compatibility. Ive also kept the output-relative search location to avoid anyone relying on that behavior

src/wireviz/Harness.py

@@ -70,6 +70,7 @@ class Harness:
     metadata: Metadata
     options: Options
     tweak: Tweak
+    source_path: Path
 
     def __post_init__(self):
         self.connectors = {}
@@ -697,7 +698,7 @@ class Harness:
             print("CSV output is not yet supported")
         # HTML output
         if "html" in fmt:
-            generate_html_output(filename, bomlist, self.metadata, self.options)
+            generate_html_output(filename, bomlist, self.metadata, self.options, self.source_path)
         # PDF output
         if "pdf" in fmt:
             # TODO: implement PDF output

src/wireviz/wireviz.py

@@ -31,6 +31,7 @@ def parse(
     output_dir: Union[str, Path] = None,
     output_name: Union[None, str] = None,
     image_paths: Union[Path, str, List] = [],
+    source_path = None,
 ) -> Any:
     """
     This function takes an input, parses it as a WireViz Harness file,
@@ -115,6 +116,7 @@ def parse(
         metadata=Metadata(**yaml_data.get("metadata", {})),
         options=Options(**yaml_data.get("options", {})),
         tweak=Tweak(**yaml_data.get("tweak", {})),
+        source_path=source_path
     )
     # others
     # store mapping of components to their respective template

src/wireviz/wv_cli.py

@@ -144,6 +144,7 @@ def wireviz(file, format, prepend, output_dir, output_name, version):
             output_dir=_output_dir,
             output_name=_output_name,
             image_paths=list(image_paths),
+            source_path=file
         )
 
     print()

src/wireviz/wv_html.py

@@ -21,14 +21,19 @@ def generate_html_output(
     bom_list: List[List[str]],
     metadata: Metadata,
     options: Options,
+    source: Union[str, Path] = None,
 ):
     # load HTML template
     templatename = metadata.get("template", {}).get("name")
+    template_search_paths = [ Path(filename).parent, Path(__file__).parent / "templates"]
+
+    if source is not None:
+        template_search_paths.insert(0, Path(source).parent)
+
     if templatename:
         # if relative path to template was provided, check directory of YAML file first, fall back to built-in template directory
         templatefile = smart_file_resolve(
-            f"{templatename}.html",
+            f"{templatename}.html", template_search_paths
-            [Path(filename).parent, Path(__file__).parent / "templates"],
         )
     else:
         # fall back to built-in simple template if no template was provided