Create block.py

block.py

@@ -0,0 +1,67 @@
+from typing import List
+
+from diffusers.modular_pipelines import (
+    ComponentSpec,
+    InputParam,
+    ModularPipelineBlocks,
+    OutputParam,
+    PipelineState,
+)
+
+
+class MyCustomBlock(ModularPipelineBlocks):
+    """
+    A custom block for [describe what your block does].
+    
+    Replace this with your implementation.
+    """
+    
+    @property
+    def expected_components(self) -> List[ComponentSpec]:
+        """Define model components your block needs (e.g., transformers, VAEs)."""
+        return [
+            # Example:
+            # ComponentSpec(
+            #     name="model",
+            #     type_hint=SomeModelClass,
+            #     repo="organization/model-name",
+            # ),
+        ]
+
+    @property
+    def inputs(self) -> List[InputParam]:
+        """Define input parameters for your block."""
+        return [
+            # Example:
+            # InputParam(
+            #     "prompt",
+            #     type_hint=str,
+            #     required=True,
+            #     description="Input prompt",
+            #     metadata={"mellon": "textbox"},  # For Mellon UI
+            # ),
+        ]
+
+    @property
+    def intermediate_outputs(self) -> List[OutputParam]:
+        """Define output parameters for your block."""
+        return [
+            # Example:
+            # OutputParam(
+            #     "result",
+            #     type_hint=str,
+            #     description="Output result",
+            #     metadata={"mellon": "text"},  # For Mellon UI
+            # ),
+        ]
+
+    def __call__(self, components, state: PipelineState) -> PipelineState:
+        """Execute your block logic."""
+        block_state = self.get_block_state(state)
+        
+        # Your implementation here
+        # Access inputs via block_state.<input_name>
+        # Set outputs via block_state.<output_name> = value
+        
+        self.set_block_state(state, block_state)
+        return components, state