feat: Add deployable EXR saver node (#98)

Co-authored-by: tristan22mc <tristan22mc@gmail.com>
2025-06-26 14:07:48 -07:00
parent 089bad5560
commit 0a58eba554
1 changed files with 78 additions and 0 deletions
@@ -0,0 +1,78 @@
+# In file: comfyui-deploy/comfy-nodes/output_exr.py
+
+import os
+import numpy as np
+import folder_paths
+
+# Try to set up OpenCV for EXR writing.
+try:
+    os.environ["OPENCV_IO_ENABLE_OPENEXR"] = "1"
+    import cv2
+    OPENCV_AVAILABLE = True
+except ImportError:
+    print("Warning: OpenCV not found for ComfyDeployOutputEXR. Please add opencv-python-headless to requirements.txt")
+    OPENCV_AVAILABLE = False
+
+# ALIGNED: Renamed class to match project conventions
+class ComfyDeployOutputEXR:
+    def __init__(self):
+        self.output_dir = folder_paths.get_output_directory()
+        self.type = "output"
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "images": ("IMAGE", ),
+                "filename_prefix": ("STRING", {"default": "ComfyDeploy_EXR"})
+            },
+            # ADDED: Optional output_id for consistency with other ComfyDeploy nodes
+            "optional": {
+                "output_id": ("STRING", {"multiline": False, "default": "output_exr"}),
+            },
+        }
+    
+    RETURN_TYPES = ()
+    # ALIGNED: Changed function name to 'run'
+    FUNCTION = "run"
+    OUTPUT_NODE = True
+    # ALIGNED: Matched the category name
+    CATEGORY = "🔗ComfyDeploy"
+    DESCRIPTION = "Saves the input images as EXR (HDR) files."
+
+    def run(self, images, filename_prefix="ComfyDeploy_EXR", output_id="output_exr"):
+        if not OPENCV_AVAILABLE:
+            raise ImportError("OpenCV is required to save EXR files. Please ensure opencv-python-headless is in requirements.txt.")
+
+        full_output_folder, filename, counter, subfolder, filename_prefix = (
+            folder_paths.get_save_image_path(
+                filename_prefix, self.output_dir, images[0].shape[1], images[0].shape[0]
+            )
+        )
+        results = list()
+
+        for image in images:
+            image_np = image.cpu().numpy()
+
+            if image_np.dtype != np.float32:
+                 image_np = image_np.astype(np.float32)
+
+            file = f"{filename}_{counter:05}.exr"
+            file_path = os.path.join(full_output_folder, file)
+
+            image_np_bgr = cv2.cvtColor(image_np, cv2.COLOR_RGB2BGR)
+            cv2.imwrite(file_path, image_np_bgr)
+
+            results.append({
+                "filename": file,
+                "subfolder": subfolder,
+                "type": self.type,
+                "output_id": output_id, # ADDED
+            })
+            counter += 1
+
+        return {"ui": {"images": results}}
+
+# ALIGNED: Mappings are defined at the bottom of the node file in this project
+NODE_CLASS_MAPPINGS = {"ComfyDeployOutputEXR": ComfyDeployOutputEXR}
+NODE_DISPLAY_NAME_MAPPINGS = {"ComfyDeployOutputEXR": "EXR Output (ComfyDeploy)"}