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Post - Optimise Python code for data preparation using Concurrent features
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from PIL import Image | |
from io import BytesIO | |
def compress_image(image_file, max_size=4000, max_dim=150, dim_diff_w=0, dim_diff_h=0, orig_image_w=None, orig_image_h=None): | |
print_values = { | |
'max_size': max_size, | |
'max_dim': max_dim, | |
'dim_diff_w': dim_diff_w, | |
'dim_diff_h': dim_diff_h, | |
'orig_image_w': orig_image_w, | |
'orig_image_h': orig_image_h, | |
} | |
print(print_values) | |
orig_image = Image.open(image_file) | |
orig_image_w, orig_image_h = orig_image.size | |
if orig_image_w > max_dim: | |
dim_diff_w = orig_image_w - max_dim | |
orig_image_w = max_dim | |
orig_image_h = orig_image_h - dim_diff_w | |
if orig_image_h > max_dim: | |
dim_diff_h = orig_image_h - max_dim | |
orig_image_h = max_dim | |
orig_image_w = orig_image_w - dim_diff_h | |
with BytesIO() as file_bytes: | |
if dim_diff_h + dim_diff_w > 0 or file_bytes.tell() >= max_size: | |
resize_image = orig_image.resize((orig_image_w, orig_image_h), Image.ANTIALIAS) | |
resize_image.save(file_bytes, optimize=True, quality=100, format='png') | |
if file_bytes.tell() <= max_size: | |
file_bytes.seek(0, 0) | |
with open(image_file, 'wb') as f_output: | |
f_output.write(file_bytes.read()) | |
else: | |
new_max_dim = round(max_dim - (max_dim * 0.10)) | |
compress_image(image_file, max_size=max_size, max_dim=new_max_dim, dim_diff_w=0, dim_diff_h=0, | |
orig_image_w=orig_image_w, orig_image_h=orig_image_h) |
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