From 4c157301ffcab156f3da10b7ed8ea33a817f5d8e Mon Sep 17 00:00:00 2001
From: Patrice THIMOTHEE <thimpat@gmail.com>
Date: Mon, 25 Aug 2025 13:35:24 +0100
Subject: [PATCH] fix: Fix Preview Info not showing up

---
 __init__.py                       |  6 +++---
 preview_any.py => preview_info.py | 25 ++++++++++---------------
 2 files changed, 13 insertions(+), 18 deletions(-)
 rename preview_any.py => preview_info.py (85%)

diff --git a/__init__.py b/__init__.py
index 76c8e10..d0d4366 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,14 +2,14 @@ from .extract_images_node   import ExtractImagesFromLatentSync
 from .extract_audio_info    import ExtractAudioInfo
 from .resize_video_frames   import ResizeVideoFrames
 from .calculate_and_display    import CalculateAndDisplay
-from .preview_any import PreviewAny
+from .preview_info import PreviewInfo
 
 NODE_CLASS_MAPPINGS = {
     "ExtractImagesFromLatentSync": ExtractImagesFromLatentSync,
     "ExtractAudioInfo":              ExtractAudioInfo,
     "ResizeVideoFrames":              ResizeVideoFrames,
     "CalculateAndDisplay":            CalculateAndDisplay,
-    "PreviewAny":                     PreviewAny
+    "PreviewInfo":                     PreviewInfo
 }
 
 NODE_DISPLAY_NAME_MAPPINGS = {
@@ -17,5 +17,5 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "ExtractAudioInfo":              "🎵 Extract Audio Info",
     "ResizeVideoFrames":              "📐 Resize Video Frames",
     "CalculateAndDisplay":            "🔍 Calculate & Display",
-    "PreviewAny":                     "👁️ Preview Any"
+    "PreviewInfo":                     "👁️ Preview Info"
 }
\ No newline at end of file
diff --git a/preview_any.py b/preview_info.py
similarity index 85%
rename from preview_any.py
rename to preview_info.py
index 7320334..2f0415d 100644
--- a/preview_any.py
+++ b/preview_info.py
@@ -2,16 +2,12 @@ import torch
 import numpy as np
 import collections
 
-# Define a custom data type that can accept any data type from other nodes.
-# This is a workaround for ComfyUI's strict type-checking.
-ANY = "*"
-
-class PreviewAny:
+class PreviewInfo:
     """
     A utility node to preview information about any type of input in the console.
     This node is useful for debugging and checking the values of variables
-    at different points in a workflow. It acts as a pass-through node,
-    allowing the workflow to continue.
+    at different points in a workflow. It acts as a final node in the workflow,
+    stopping the execution chain.
     """
 
     @classmethod
@@ -22,15 +18,15 @@ class PreviewAny:
         """
         return {
             "required": {
-                "input_data": (ANY, {"forceInput": True}),  # The asterisk (*) signifies any data type
+                "input_data": ("*", {"forceInput": True}),  # The asterisk (*) signifies any data type
             },
             "optional": {
                 "title": ("STRING", {"multiline": False, "default": "Preview Any"}),
             }
         }
 
-    # The node must now return its input to act as a pass-through.
-    RETURN_TYPES = (ANY,)
+    # The node now has no return types, making it a "final" or "sink" node.
+    RETURN_TYPES = ()
     FUNCTION = "preview_info"
     CATEGORY = "🎨 ThimPatUtils"
 
@@ -93,16 +89,15 @@ class PreviewAny:
             print(f"Value: {input_data}")
 
         print("--------------------")
-        
-        # The node must now return its input to act as a pass-through
-        return (input_data,)
+
+        # No return statement is needed, as this is a final node.
 
 # A dictionary that provides the class name and display name for ComfyUI
 NODE_CLASS_MAPPINGS = {
-    "PreviewAny": PreviewAny
+    "PreviewInfo": PreviewInfo
 }
 
 # A dictionary that specifies the nodes' human-readable names
 NODE_DISPLAY_NAME_MAPPINGS = {
-    "PreviewAny": "👁️ Preview Any"
+    "PreviewInfo": "👁️ Preview Info"
 }