def format_date(date):
""" Format a date. """
if date is None:
return ''
try:
# datetime
return date.replace(tzinfo=gg.UTC(), microsecond=0).isoformat()
except TypeError:
# date
return datetime.datetime.combine(
date, datetime.time(tzinfo=gg.UTC())).isoformat()
def metadata_item(self, dc):
""" Build metadata from DublinCore struct.
Example of metadata:
<metadata xmlns:dcterms='http://purl.org/dc/terms/'
xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
xmlns:opf='http://www.idpf.org/2007/opf'>
<dcterms:identifier opf:scheme='URI' id='id'>http://www.gutenberg.org/ebooks/29000</dc:identifier>
<dcterms:creator opf:file-as='Trollope, Anthony'>Anthony Trollope</dc:creator>
<dcterms:title>The Macdermots of Ballycloran</dc:title>
<dcterms:language xsi:type='dcterms:RFC3066'>en</dc:language>
<dcterms:subject>Domestic fiction</dc:subject>
<dcterms:subject>Ireland -- Fiction</dc:subject>
<dcterms:created>1890</dcterms:created>
<dcterms:publisher>Project Gutenberg</dc:publisher>
<dcterms:date opf:event='publication'>2009-05-31</dc:date>
<dcterms:date opf:event='conversion'>2009-08-26T21:11:14Z</dc:date>
<dcterms:rights>Public domain</dc:rights>
<dcterms:source>29000-h.htm</dc:source>
<meta name='cover' content='item0' />
</metadata>
"""
# OPF 2.0 v1.0 specifies to use the
# Dublin Core Metadata Element Set, Version 1.1
# http://dublincore.org/documents/2004/12/20/dces/
# but that has been superseded by DCMI Metadata Terms
# http://dublincore.org/documents/dcmi-terms/
# we use NS.dc for now but should switch to NS.dcterms later
dcterms = ElementMaker(nsmap=self.nsmap, namespace=str(NS.dc))
if dc.publisher:
self.metadata.append(dcterms.publisher(dc.publisher))
if dc.rights:
self.metadata.append(dcterms.rights(dc.rights))
self.metadata.append(
dcterms.identifier(dc.opf_identifier, {
NS.opf.scheme: 'URI',
'id': 'id'
})) # should be NS.xml.id
for author in dc.authors:
pretty_name = dc.make_pretty_name(author.name)
if author.marcrel == 'aut' or author.marcrel == 'cre':
self.metadata.append(
dcterms.creator(pretty_name,
{NS.opf['file-as']: author.name}))
else:
self.metadata.append(
dcterms.contributor(
pretty_name, {
NS.opf.role: author.marcrel,
NS.opf['file-as']: author.name
}))
# replace newlines with /
title = re.sub(r'\s*[\r\n]+\s*', ' / ', dc.title)
self.metadata.append(dcterms.title(title))
for language in dc.languages:
self.metadata.append(
dcterms.language(language.id,
{NS.xsi.type: 'dcterms:RFC4646'}))
for subject in dc.subjects:
self.metadata.append(dcterms.subject(subject.subject))
if dc.created:
self.metadata.append(
dcterms.date(dc.created, {NS.opf.event: 'creation'}))
if dc.release_date:
self.metadata.append(
dcterms.date(dc.release_date.isoformat(),
{NS.opf.event: 'publication'}))
self.metadata.append(
dcterms.date(
datetime.datetime.now(gg.UTC()).isoformat(),
{NS.opf.event: 'conversion'}))
source = dc.source
if hasattr(options.config, 'FILESDIR'):
if source.startswith(options.config.FILESDIR):
source = source[len(options.config.FILESDIR):]
source = urllib.parse.urljoin(options.config.PGURL, source)
self.metadata.append(dcterms.source(source))
