divide the large file in simple chunk zipped

app.py

import os
import zipfile

required_mb = 850
def zip_folder(folder_path, max_chunk_size_mb=required_mb):
    # Convert MB to bytes for comparison
    max_chunk_size = max_chunk_size_mb * 1024 * 1024
    current_chunk_size = 0
    chunk_num = 1
    zip_file = None
    zip_list = []

    # List all files in the directory and sort them (optional)
    files = [f for f in os.listdir(folder_path) if os.path.isfile(os.path.join(folder_path, f))]
    files.sort()  # This is optional but helps in maintaining a predictable order

    for file in files:
        file_path = os.path.join(folder_path, file)
        file_size = os.path.getsize(file_path)
        
        # Check if adding the current file would exceed the max chunk size
        if current_chunk_size + file_size > max_chunk_size:
            # Close the current zip file if it's open
            if zip_file is not None:
                zip_file.close()
                zip_file = None
            # Prepare for the next chunk
            chunk_num += 1
            current_chunk_size = 0

        # If there's no zip file open, create a new one
        if zip_file is None:
            zip_filename = os.path.join(folder_path, f"chunk_{chunk_num}.zip")
            zip_file = zipfile.ZipFile(zip_filename, 'w', zipfile.ZIP_DEFLATED)
            zip_list.append(zip_filename)

        # Add the current file to the open zip file
        zip_file.write(file_path, arcname=file)
        current_chunk_size += file_size

    # Make sure to close the last zip file if it's still open
    if zip_file is not None:
        zip_file.close()

    return zip_list

# Example usage
folder_path = 'ig_images' # Update this path to your folder path
zip_files = zip_folder(folder_path)
print(f"Created zip files: {zip_files}")