Add: blur hash utils function

This commit is contained in:
Aroy-Art 2025-02-24 22:26:29 +01:00
parent d4f08aa8b2
commit e67f5f2dd7
Signed by: Aroy
GPG key ID: 583642324A1D2070

View file

@ -1,6 +1,10 @@
from blake3 import blake3
from blurhash import encode
from tqdm.auto import tqdm
from PIL import Image
def compute_blake3_hash(data, is_file=False, logger=None):
"""
@ -45,3 +49,34 @@ def compute_file_hash_blake3(file_path, logger=None):
def compute_string_hash_blake3(string, logger=None):
return compute_blake3_hash(string, is_file=False, logger=logger)
def compute_blur_hash(image_path, components_x=4, components_y=4, logger=None):
"""
Compute the BlurHash of an image.
Args:
image_path (str): Path to the image file.
components_x (int): Number of horizontal components for BlurHash.
components_y (int): Number of vertical components for BlurHash.
logger: Optional logger for error messages.
Returns:
str: BlurHash string or None if an error occurs.
"""
try:
with Image.open(image_path) as img:
img = img.convert("RGB") # Ensure it's in RGB mode
blur_hash = encode(img, components_x, components_y)
return blur_hash
except Exception as e:
error_message = f"Error computing BlurHash: {e}"
if logger:
if hasattr(logger, "style") and hasattr(logger, "stdout"): # Django command
logger.stdout.write(logger.style.WARNING(error_message))
else: # Default to tqdm
tqdm.write(error_message)
return None