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Set pubdate when setting metadata in MOBI files (needed for periodical indexing)

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Kovid Goyal 2009-07-03 11:54:56 -06:00
parent b5b195b5f2
commit aca962fd37
1 changed files with 19 additions and 1 deletions
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20
src/calibre/ebooks/metadata/mobi.py
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@ -11,11 +11,14 @@ __docformat__ = 'restructuredtext en'
from struct import pack, unpack from struct import pack, unpack
from cStringIO import StringIO from cStringIO import StringIO
from datetime import datetime
from calibre.ebooks.mobi import MobiError from calibre.ebooks.mobi import MobiError
from calibre.ebooks.mobi.writer import rescale_image, MAX_THUMB_DIMEN from calibre.ebooks.mobi.writer import rescale_image, MAX_THUMB_DIMEN
from calibre.ebooks.mobi.langcodes import iana2mobi from calibre.ebooks.mobi.langcodes import iana2mobi
class StreamSlicer(object): class StreamSlicer(object):
def __init__(self, stream, start=0, stop=None): def __init__(self, stream, start=0, stop=None):
self._stream = stream self._stream = stream
self.start = start self.start = start
@ -84,17 +87,22 @@ class MetadataUpdater(object):
flags, = unpack('>I', record0[128:132]) flags, = unpack('>I', record0[128:132])
have_exth = self.have_exth = (flags & 0x40) != 0 have_exth = self.have_exth = (flags & 0x40) != 0
self.cover_record = self.thumbnail_record = None self.cover_record = self.thumbnail_record = None
self.timestamp = None
if not have_exth: if not have_exth:
return return
exth_off = unpack('>I', record0[20:24])[0] + 16 + record0.start exth_off = unpack('>I', record0[20:24])[0] + 16 + record0.start
exth = self.exth = StreamSlicer(stream, exth_off, record0.stop) exth = self.exth = StreamSlicer(stream, exth_off, record0.stop)
nitems, = unpack('>I', exth[8:12]) nitems, = unpack('>I', exth[8:12])
pos = 12 pos = 12
# Store any EXTH fields not specifiable in GUI
for i in xrange(nitems): for i in xrange(nitems):
id, size = unpack('>II', exth[pos:pos + 8]) id, size = unpack('>II', exth[pos:pos + 8])
content = exth[pos + 8: pos + size] content = exth[pos + 8: pos + size]
pos += size pos += size
if id == 201:
if id == 106:
self.timestamp = content
elif id == 201:
rindex, = self.cover_rindex, = unpack('>I', content) rindex, = self.cover_rindex, = unpack('>I', content)
self.cover_record = self.record(rindex + image_base) self.cover_record = self.record(rindex + image_base)
elif id == 202: elif id == 202:
@ -134,6 +142,16 @@ class MetadataUpdater(object):
if mi.tags: if mi.tags:
subjects = '; '.join(mi.tags) subjects = '; '.join(mi.tags)
recs.append((105, subjects.encode(self.codec, 'replace'))) recs.append((105, subjects.encode(self.codec, 'replace')))
if mi.pubdate:
recs.append((106, str(mi.pubdate).encode(self.codec, 'replace')))
elif mi.timestamp:
recs.append((106, str(mi.timestamp).encode(self.codec, 'replace')))
elif self.timestamp:
recs.append(106, self.timestamp)
else:
recs.append((106, str(datetime.now()).encode(self.codec, 'replace')))
if self.cover_record is not None: if self.cover_record is not None:
recs.append((201, pack('>I', self.cover_rindex))) recs.append((201, pack('>I', self.cover_rindex)))
recs.append((203, pack('>I', 0))) recs.append((203, pack('>I', 0)))