64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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import sys
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import xml.etree.ElementTree as ET
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import zipfile
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from StringIO import StringIO
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import Image
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import stdnum.isbn
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from utils import normalize_isbn, find_isbns
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def cover(path):
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img = Image.new('RGB', (80, 128))
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o = StringIO()
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img.save(o, format='jpeg')
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data = o.getvalue()
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o.close()
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return data
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def info(epub):
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data = {}
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z = zipfile.ZipFile(epub)
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opf = [f.filename for f in z.filelist if f.filename.endswith('opf')]
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if opf:
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info = ET.fromstring(z.read(opf[0]))
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metadata = info.findall('{http://www.idpf.org/2007/opf}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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value = normalize_isbn(value)
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if stdnum.isbn.is_valid(value):
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data['isbn'] = value
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else:
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data[key] = e.text
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text = extract_text(epub)
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data['textsize'] = len(text)
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if not 'isbn' in data:
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isbn = extract_isbn(text)
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if isbn:
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data['isbn'] = isbn
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return data
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def extract_text(path):
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data = ''
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z = zipfile.ZipFile(path)
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for f in z.filelist:
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if f.filename.endswith('html'):
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data += z.read(f.filename)
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return data
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def extract_isbn(data):
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isbns = find_isbns(data)
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if isbns:
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return isbns[0]
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