Add save image browse and external preview

dumas_image_nodes.py

@@ -3,6 +3,8 @@ import os
 import random
 import re
 import time
+import uuid
+from collections import OrderedDict
 
 import numpy as np
 from PIL import Image
@@ -14,6 +16,8 @@ _MEDIA_EXT_RE = re.compile(
     r"\.(png|jpe?g|webp|gif|bmp|tiff?|avif|mp4|mov|webm|mkv|m4v)$", re.IGNORECASE
 )
 _DATE_TOKEN_RE = re.compile(r"%date:([^%]+)%")
+_SERVE_TOKENS = OrderedDict()
+_SERVE_CAP = 256
 
 
 def _clean_input_token_value(value):
@@ -95,6 +99,18 @@ def _safe_pattern(value):
     return value
 
 
+def _register_serve_token(path):
+    token = uuid.uuid4().hex
+    _SERVE_TOKENS[token] = path
+    while len(_SERVE_TOKENS) > _SERVE_CAP:
+        _SERVE_TOKENS.popitem(last=False)
+    return token
+
+
+def resolve_serve_token(token):
+    return _SERVE_TOKENS.get(str(token or ""))
+
+
 def _is_within_directory(parent_path, child_path):
     try:
         return os.path.commonpath([parent_path, child_path]) == parent_path
@@ -378,6 +394,7 @@ class DumasSaveImageNode:
                         "filename": filename,
                         "subfolder": frame_dir.replace("\\", "/"),
                         "type": "external",
+                        "token": _register_serve_token(full_path),
                     }
                 )