fix(utils.py): fix get_image_dimensions to handle more image types

Fixes https://github.com/BerriAI/litellm/issues/5205

litellm/tests/test_token_counter.py

@@ -356,3 +356,22 @@ def test_gpt_4o_token_counter():
         )
 
         mock_client.assert_called()
+
+
+@pytest.mark.parametrize(
+    "img_url",
+    [
+        "https://blog.purpureus.net/assets/blog/personal_key_rotation/simplified-asset-graph.jpg",
+        "data:image/png;base64,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",
+    ],
+)
+def test_img_url_token_counter(img_url):
+
+    from litellm.utils import get_image_dimensions
+
+    width, height = get_image_dimensions(data=img_url)
+
+    print(width, height)
+
+    assert width is not None
+    assert height is not None

litellm/utils.py

@@ -14,7 +14,9 @@ import binascii
 import copy
 import datetime
 import hashlib
+import imghdr
 import inspect
+import io
 import itertools
 import json
 import logging
@@ -1797,36 +1799,42 @@ def calculate_tiles_needed(
 def get_image_dimensions(data):
     img_data = None
 
-    # Check if data is a URL by trying to parse it
     try:
-        response = requests.get(data)
-        response.raise_for_status()  # Check if the request was successful
-        img_data = response.content
+        # Try to open as URL
+        # Try to open as URL
+        client = HTTPHandler(concurrent_limit=1)
+        response = client.get(data)
+        img_data = response.read()
     except Exception:
-        # Data is not a URL, handle as base64
+        # If not URL, assume it's base64
         header, encoded = data.split(",", 1)
         img_data = base64.b64decode(encoded)
 
-    # Try to determine dimensions from headers
-    # This is a very simplistic check, primarily works with PNG and non-progressive JPEG
-    if img_data[:8] == b"\x89PNG\r\n\x1a\n":
-        # PNG Image; width and height are 4 bytes each and start at offset 16
-        width, height = struct.unpack(">ii", img_data[16:24])
-        return width, height
-    elif img_data[:2] == b"\xff\xd8":
-        # JPEG Image; for dimensions, SOF0 block (0xC0) gives dimensions at offset 3 for length, and then 5 and 7 for height and width
-        # This will NOT find dimensions for all JPEGs (e.g., progressive JPEGs)
-        # Find SOF0 marker (0xFF followed by 0xC0)
-        sof = re.search(b"\xff\xc0....", img_data)
-        if sof:
-            # Parse SOF0 block to find dimensions
-            height, width = struct.unpack(">HH", sof.group()[5:9])
-            return width, height
+    img_type = imghdr.what(None, h=img_data)
+
+    if img_type == "png":
+        w, h = struct.unpack(">LL", img_data[16:24])
+        return w, h
+    elif img_type == "gif":
+        w, h = struct.unpack("<HH", img_data[6:10])
+        return w, h
+    elif img_type == "jpeg":
+        with io.BytesIO(img_data) as fhandle:
+            fhandle.seek(0)
+            size = 2
+            ftype = 0
+            while not 0xC0 <= ftype <= 0xCF or ftype in (0xC4, 0xC8, 0xCC):
+                fhandle.seek(size, 1)
+                byte = fhandle.read(1)
+                while ord(byte) == 0xFF:
+                    byte = fhandle.read(1)
+                ftype = ord(byte)
+                size = struct.unpack(">H", fhandle.read(2))[0] - 2
+            fhandle.seek(1, 1)
+            h, w = struct.unpack(">HH", fhandle.read(4))
+        return w, h
     else:
         return None, None
-    else:
-        # Unsupported format
-        return None, None
 
 
 def calculage_img_tokens(