import sys

import ebooklib
from ebooklib import epub
from ebooklib.utils import debug

book = epub.read_epub(sys.argv[1])

debug(book.metadata)
debug(book.spine)
debug(book.toc)

debug('================================')
debug('SMIL')

for x in  book.get_items_of_type(ebooklib.ITEM_SMIL):
    debug(x)

debug('================================')
debug('DOCUMENTS')

for x in  book.get_items_of_type(ebooklib.ITEM_DOCUMENT):
    if x.is_chapter():
        debug('[{}] media_overlay={}'.format(x, x.media_overlay))
debug('================================')