feat: Add Support For Simple Seed (CORE-295) (#14616)

comfy_extras/nodes_seed.py

@@ -0,0 +1,33 @@
+import sys
+from typing_extensions import override
+
+from comfy_api.latest import ComfyExtension, io
+
+
+class SeedNode(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="SeedNode",
+            display_name="Seed",
+            search_aliases=["seed", "random"],
+            category="utilities",
+            inputs=[
+                io.Int.Input("seed", min=0, max=sys.maxsize, control_after_generate=io.ControlAfterGenerate.fixed),
+            ],
+            outputs=[io.Int.Output(display_name="seed")],
+        )
+
+    @classmethod
+    def execute(cls, seed: int) -> io.NodeOutput:
+        return io.NodeOutput(seed)
+
+
+class SeedExtension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+        return [SeedNode]
+
+
+async def comfy_entrypoint() -> SeedExtension:
+    return SeedExtension()

nodes.py

@@ -2473,6 +2473,7 @@ async def init_builtin_extra_nodes():
         "nodes_gaussian_splat.py",
         "nodes_triposplat.py",
         "nodes_depth_anything_3.py",
+        "nodes_seed.py",
     ]
 
     import_failed = []