updates for exif comments #446

modules/extras.py

@@ -7,6 +7,7 @@ import modules.gfpgan_model
 from modules.ui import plaintext_to_html
 import modules.codeformer_model
 import piexif
+import piexif.helper
 
 
 cached_images = {}
@@ -80,7 +81,12 @@ def run_pnginfo(image):
     if "exif" in image.info:
         exif = piexif.load(image.info["exif"])
         exif_comment = (exif or {}).get("Exif", {}).get(piexif.ExifIFD.UserComment, b'')
-        exif_comment = exif_comment.decode("utf8", 'ignore')
+        try:
+            exif_comment = piexif.helper.UserComment.load(exif_comment)
+        except ValueError:
+            exif_comment = exif_comment.decode('utf8', errors="ignore")
+
+
         items['exif comment'] = exif_comment
 
         for field in ['jfif', 'jfif_version', 'jfif_unit', 'jfif_density', 'dpi', 'exif']:

modules/images.py

@@ -325,7 +325,7 @@ def save_image(image, path, basename, seed=None, prompt=None, extension='png', i
     if extension.lower() in ("jpg", "jpeg", "webp"):
         exif_bytes = piexif.dump({
             "Exif": {
-                piexif.ExifIFD.UserComment: piexif.helper.UserComment.dump(info)
+                piexif.ExifIFD.UserComment: piexif.helper.UserComment.dump(info, encoding="unicode")
             },
         })
     else: