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for images sent to Claude, resize if dimension exceeds limit

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This commit is contained in:
Abi Raja 2024-06-27 17:59:15 +08:00
parent 8e8ad1409f
commit d2359f644c
1 changed files with 20 additions and 0 deletions
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20
backend/image_processing/utils.py
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@ -4,6 +4,7 @@ import time
from PIL import Image
CLAUDE_IMAGE_MAX_SIZE = 5 * 1024 * 1024
CLAUDE_MAX_IMAGE_DIMENSION = 7900
# Process image so it meets Claude requirements
@ -23,6 +24,25 @@ def process_image(image_data_url: str) -> tuple[str, str]:
image_bytes = base64.b64decode(base64_data)
img = Image.open(io.BytesIO(image_bytes))
# Check if either dimension exceeds 7900px (Claude disallows >= 8000px)
if (
img.width > CLAUDE_MAX_IMAGE_DIMENSION
or img.height > CLAUDE_MAX_IMAGE_DIMENSION
):
# Calculate the new dimensions while maintaining aspect ratio
if img.width > img.height:
new_width = CLAUDE_MAX_IMAGE_DIMENSION
new_height = int((CLAUDE_MAX_IMAGE_DIMENSION / img.width) * img.height)
else:
new_height = CLAUDE_MAX_IMAGE_DIMENSION
new_width = int((CLAUDE_MAX_IMAGE_DIMENSION / img.height) * img.width)
# Resize the image
img = img.resize((new_width, new_height), Image.DEFAULT_STRATEGY)
print(
f"[CLAUDE IMAGE PROCESSING] image resized: width = {new_width}, height = {new_height}"
)
# Convert and compress as JPEG
quality = 95
output = io.BytesIO()