update snapshot

src/ffmpeg/dag/schema.py

@@ -69,6 +69,10 @@ def _repr_png_(self) -> bytes:  # pragma: no cover
         with open(self.view(format="png"), "rb") as f:
             return f.read()
 
+    def _repr_svg_(self) -> bytes:  # pragma: no cover
+        with open(self.view(format="svg"), "rb") as f:
+            return f.read()
+
 
 @dataclass(frozen=True, kw_only=True)
 class Node(HashableBaseModel, ABC):
@@ -182,3 +186,25 @@ def upstream_nodes(self) -> set[Node]:
             output |= input.node.upstream_nodes
 
         return output
+
+    def view(self, format: Literal["png", "svg", "dot"] = "png") -> str:
+        """
+        Visualize the Node.
+
+        Args:
+            format: The format of the view.
+
+        Returns:
+            The file path of the visualization.
+        """
+        from ..utils.view import view
+
+        return view(self, format=format)
+
+    def _repr_png_(self) -> bytes:  # pragma: no cover
+        with open(self.view(format="png"), "rb") as f:
+            return f.read()
+
+    def _repr_svg_(self) -> bytes:  # pragma: no cover
+        with open(self.view(format="svg"), "rb") as f:
+            return f.read()

src/ffmpeg/utils/view.py

@@ -59,6 +59,6 @@ def view(node: Node, format: Literal["png", "svg", "dot"]) -> str:
 
     for node in context.all_nodes:
         for idx, stream in enumerate(node.inputs):
-            graph.edge(stream.node.hex, node.hex, label=f"{stream.index or '*'} => {idx}")
+            graph.edge(stream.node.hex, node.hex, label=f"{'*' if stream.index is None else stream.index} => {idx}")
 
     return graph.render(engine="dot")