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68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
8 years ago
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import zipfile
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from lxml import etree
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import os
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import uploader
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def extractCover(zip, coverFile, tmp_file_name):
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if (coverFile is None):
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return None
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else:
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cf = zip.read("OPS/" + coverFile)
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prefix = os.path.splitext(tmp_file_name)[0]
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tmp_cover_name = prefix + "." + coverFile
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image = open(tmp_cover_name, 'wb')
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image.write(cf)
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image.close()
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return tmp_cover_name
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def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
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ns = {
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'n':'urn:oasis:names:tc:opendocument:xmlns:container',
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'pkg':'http://www.idpf.org/2007/opf',
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'dc':'http://purl.org/dc/elements/1.1/'
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}
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zip = zipfile.ZipFile(tmp_file_path)
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txt = zip.read('META-INF/container.xml')
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tree = etree.fromstring(txt)
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cfname = tree.xpath('n:rootfiles/n:rootfile/@full-path',namespaces=ns)[0]
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cf = zip.read(cfname)
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tree = etree.fromstring(cf)
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p = tree.xpath('/pkg:package/pkg:metadata',namespaces=ns)[0]
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epub_metadata = {}
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for s in ['title', 'description', 'creator']:
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tmp = p.xpath('dc:%s/text()'%(s),namespaces=ns)
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if (len(tmp) > 0):
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epub_metadata[s] = p.xpath('dc:%s/text()'%(s),namespaces=ns)[0]
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else:
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epub_metadata[s] = "Unknown"
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coversection = tree.xpath("/pkg:package/pkg:manifest/pkg:item[@id='cover']/@href",namespaces=ns)
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if (len(coversection) > 0):
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coverfile = extractCover(zip, coversection[0], tmp_file_path)
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else:
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coverfile = None
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if epub_metadata['title'] is None:
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title = original_file_name
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else:
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title = epub_metadata['title']
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return uploader.BookMeta(
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file_path = tmp_file_path,
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extension = original_file_extension,
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title = title,
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author = epub_metadata['creator'],
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cover = coverfile,
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description = epub_metadata['description'],
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tags = "",
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series = "",
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series_id="")
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