52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import xml.etree.ElementTree as ET
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import stdnum.isbn
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from utils import normalize_isbn, get_language
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from ox import strip_tags
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import ox.iso
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import logging
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logger = logging.getLogger(__name__)
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def info(opf):
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data = {}
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try:
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with open(opf, 'rb') as fd:
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opf = ET.fromstring(fd.read().decode())
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except:
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logger.debug('failed to load opf %s', opf, exc_info=1)
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return data
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ns = '{http://www.idpf.org/2007/opf}'
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metadata = opf.findall(ns + 'metadata')[0]
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for e in metadata.getchildren():
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if e.text:
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key = e.tag.split('}')[-1]
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key = {
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'creator': 'author',
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}.get(key, key)
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value = e.text
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if key == 'identifier':
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isbn = normalize_isbn(value)
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if stdnum.isbn.is_valid(isbn):
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if not 'isbn' in data:
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data['isbn'] = [isbn]
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else:
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data['isbn'].append(isbn)
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if e.attrib.get(ns + 'scheme') == 'AMAZON':
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if not 'asin' in data:
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data['asin'] = [value]
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else:
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data['asin'].append(value)
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else:
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data[key] = strip_tags(e.text)
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#YYY-MM-DD
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if 'date' in data and len(data['date']) > 10:
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data['date'] =data['date'][:10]
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if 'language' in data:
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data['language'] = get_language(data['language'])
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return data
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