Fix smart file resolver for images

src/wireviz/DataClasses.py

@@ -69,7 +69,6 @@ class Tweak:
 
 @dataclass
 class Image:
-    gv_dir: InitVar[Path] # Directory of .gv file injected as context during parsing
     # Attributes of the image object <img>:
     src: str
     scale: Optional[ImageScale] = None
@@ -82,7 +81,7 @@ class Image:
     caption: Optional[MultilineHypertext] = None
     # See also HTML doc at https://graphviz.org/doc/info/shapes.html#html
 
-    def __post_init__(self, gv_dir):
+    def __post_init__(self):
 
         if self.fixedsize is None:
             # Default True if any dimension specified unless self.scale also is specified.
@@ -98,10 +97,10 @@ def __post_init__(self, gv_dir):
             # because Graphviz requires both when fixedsize=True.
             if self.height:
                 if not self.width:
-                    self.width = self.height * aspect_ratio(gv_dir.joinpath(self.src))
+                    self.width = self.height * aspect_ratio(self.src)
             else:
                 if self.width:
-                    self.height = self.width / aspect_ratio(gv_dir.joinpath(self.src))
+                    self.height = self.width / aspect_ratio(self.src)
 
 
 @dataclass

src/wireviz/wireviz.py

@@ -12,7 +12,7 @@
 
 from wireviz.DataClasses import Metadata, Options, Tweak
 from wireviz.Harness import Harness
-from wireviz.wv_helper import expand, get_single_key_and_value, is_arrow, open_file_read
+from wireviz.wv_helper import expand, get_single_key_and_value, is_arrow, open_file_read, smart_file_resolve
 
 
 def parse_text(yaml_str: str, file_out: (str, Path) = None, return_types: (None, str, Tuple[str]) = ('html','png','svg','tsv'), image_paths: List = []) -> Any:
@@ -82,7 +82,6 @@ def parse(yaml_data: Dict, file_out: (str, Path) = None, return_types: (None, st
                         # The Image dataclass might need to open an image file with a relative path.
                         image = attribs.get('image')
                         if isinstance(image, dict):
-                            image['gv_dir'] = Path(file_out if file_out else '').parent # Inject context # TODO: remove
                             image_path = image['src']
                             if image_path and not Path(image_path).is_absolute():  # resolve relative image path
                                 image['src'] = smart_file_resolve(image_path, image_paths)