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ratings for PDF metadata

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Kovid Goyal 2014-02-17 09:34:01 +05:30
parent 2489bace39
commit b013a59677
1 changed files with 22 additions and 2 deletions
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24
src/calibre/ebooks/metadata/xmp.py
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@ -180,7 +180,16 @@ def metadata_from_xmp_packet(raw_bytes):
else: else:
mi.pubdate = pubdate mi.pubdate = pubdate
bkp = first_simple('//xmp:CreatorTool', root) bkp = first_simple('//xmp:CreatorTool', root)
mi.book_producer = bkp if bkp:
mi.book_producer = bkp
rating = first_simple('//calibre:rating', root)
if rating is not None:
try:
rating = float(rating)
if 0 <= rating <= 10:
mi.rating = rating
except (ValueError, TypeError):
pass
identifiers = {} identifiers = {}
for xmpid in XPath('//xmp:Identifier')(root): for xmpid in XPath('//xmp:Identifier')(root):
@ -311,6 +320,16 @@ def metadata_to_xmp_packet(mi):
d.text = isoformat(now(), as_utc=False) d.text = isoformat(now(), as_utc=False)
xmp.append(d) xmp.append(d)
calibre = rdf.makeelement(expand('rdf:Description'), nsmap=nsmap('calibre'))
calibre.set(expand('rdf:about'), '')
rdf.append(calibre)
if not mi.is_null('rating'):
try:
r = float(mi.rating)
except (TypeError, ValueError):
pass
else:
create_simple_property(calibre, 'calibre:rating', '%.3g' % r)
return serialize_xmp_packet(root) return serialize_xmp_packet(root)
def find_used_namespaces(elem): def find_used_namespaces(elem):
@ -371,8 +390,9 @@ def merge_xmp_packet(old, new):
# old packet # old packet
defined_tags = {expand(prefix + ':' + scheme) for prefix in ('prism', 'pdfx') for scheme in KNOWN_ID_SCHEMES} defined_tags = {expand(prefix + ':' + scheme) for prefix in ('prism', 'pdfx') for scheme in KNOWN_ID_SCHEMES}
defined_tags |= {x.tag for x in item_xpath(new)} | {expand('dc:identifier')} defined_tags |= {x.tag for x in item_xpath(new)} | {expand('dc:identifier')}
calibrens = '{%s}' % NS_MAP['calibre']
for elem in item_xpath(old): for elem in item_xpath(old):
if elem.tag in defined_tags: if elem.tag in defined_tags or (elem.tag and elem.tag.startswith(calibrens)):
elem.getparent().remove(elem) elem.getparent().remove(elem)
# Group all items into groups based on their namespaces # Group all items into groups based on their namespaces