zip all files and items in dir
    :param only_init:
    :param path:
    :param zip_handler: zip file handler
    :param boolean include_dir: specify if we want the archive with or without the directory

def zip_dir(path, zip_handler, include_dir=True, use_arc_name=False):
    """
    zip all files and items in dir
    :param only_init:
    :param path:
    :param zip_handler: zip file handler
    :param boolean include_dir: specify if we want the archive with or without the directory
    """

    for root, dirs, files in os.walk(path):
        for file_to_zip in files:
            filename = os.path.join(root, file_to_zip)
            zip_con = filename.replace('\\', '/')

            if zip_con in zip_handler.namelist():
                continue

            add_file(filename, zip_handler, include_dir, use_arc_name)