Untitled

from PIL import Image

def generate_barcode(product_code):
    Code128 = barcode.get_barcode_class('code128')
    writer = ImageWriter()

    dpi = 300  # Use a fixed DPI value (adjust it according to your printer's DPI)
    page_size_mm = (25.4, 54)
    page_size_pixels = tuple(int(dpi * page_size_mm[i] / 25.4) for i in (0, 1))

    writer.dpi = dpi
    barcode_image = Code128(product_code, writer=writer)
    output_filename = 'temp_barcode'
    barcode_image.save(output_filename)

    # Rotate the image by 90 degrees
    image = Image.open(output_filename + ".png")
    rotated_image = image.rotate(270, expand=True)

    # Resize the barcode image while maintaining aspect ratio
    desired_width = page_size_pixels[1] - 10  # Subtract a small margin
    desired_height = page_size_pixels[0] - 10  # Subtract a small margin
    aspect_ratio = float(rotated_image.width) / float(rotated_image.height)
    new_height = int(desired_width / aspect_ratio)
    resized_image = rotated_image.resize((desired_width, new_height), Image.LANCZOS)

    # Paste the resized image onto a new blank image with exact desired dimensions
    final_image = Image.new("RGBA", (desired_width, desired_height), (255, 255, 255, 255))
    paste_position = (0, (desired_height - new_height) // 2)
    final_image.paste(resized_image, paste_position)

    final_image.save(output_filename + ".png")
    return output_filename