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@ -39,7 +39,7 @@ NS_MAP = {
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'x': 'adobe:ns:meta/',
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'calibre': 'http://calibre-ebook.com/xmp-namespace',
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}
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KNOWN_ID_SCHEMES = {'isbn', 'url', 'doi', 'identifier'}
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KNOWN_ID_SCHEMES = {'isbn', 'url', 'doi'}
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def expand(name):
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prefix, name = name.partition(':')[::2]
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@ -83,7 +83,7 @@ def read_simple_property(elem):
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return replace_entities(elem.get(expand('rdf:resource'), ''))
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def read_lang_alt(parent):
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# A text value with possibel alternate values in different languages
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# A text value with possible alternate values in different languages
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items = XPath('descendant::rdf:li[@xml:lang="x-default"]')(parent)
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if items:
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return items[0]
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@ -115,7 +115,7 @@ def multiple_sequences(expr, root):
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def first_alt(expr, root):
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# The first element matching expr, assumes that the element contains a
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# langauge alternate array
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# language alternate array
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for item in XPath(expr)(root):
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q = read_simple_property(read_lang_alt(item))
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if q:
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@ -188,19 +188,26 @@ def metadata_from_xmp_packet(raw_bytes):
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for scheme, value in read_xmp_identifers(xmpid):
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if scheme and value:
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identifiers[scheme.lower()] = value
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prints(repr(identifiers))
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for namespace in ('prism', 'pdfx', 'dc'):
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for namespace in ('prism', 'pdfx'):
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for scheme in KNOWN_ID_SCHEMES:
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if scheme not in identifiers:
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val = first_simple('//%s:%s' % (namespace, scheme), root)
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scheme = scheme.lower()
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if scheme == 'isbn':
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val = check_isbn(val)
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elif scheme == 'doi' or scheme == 'identifier':
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elif scheme == 'doi':
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val = check_doi(val)
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if val:
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identifiers[scheme] = val
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# Check Dublin Core for identifier, only DOI considered
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if 'doi' not in identifiers:
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val = first_simple('//dc:identifier', root)
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val = check_doi(val)
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if val:
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identifiers['doi'] = val
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if identifiers:
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mi.set_identifiers(identifiers)
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