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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 @@
from struct import pack, unpack
from cStringIO import StringIO
from datetime import datetime
from calibre.ebooks.mobi import MobiError
from calibre.ebooks.mobi.writer import rescale_image, MAX_THUMB_DIMEN
from calibre.ebooks.mobi.langcodes import iana2mobi
class StreamSlicer(object):
def __init__(self, stream, start=0, stop=None):
self._stream = stream
self.start = start
@ -84,17 +87,22 @@ def __init__(self, stream):
flags, = unpack('>I', record0[128:132])
have_exth = self.have_exth = (flags & 0x40) != 0
self.cover_record = self.thumbnail_record = None
self.timestamp = None
if not have_exth:
return
exth_off = unpack('>I', record0[20:24])[0] + 16 + record0.start
exth = self.exth = StreamSlicer(stream, exth_off, record0.stop)
nitems, = unpack('>I', exth[8:12])
pos = 12
# Store any EXTH fields not specifiable in GUI
for i in xrange(nitems):
id, size = unpack('>II', exth[pos:pos + 8])
content = exth[pos + 8: pos + size]
pos += size
if id == 201:
if id == 106:
self.timestamp = content
elif id == 201:
rindex, = self.cover_rindex, = unpack('>I', content)
self.cover_record = self.record(rindex + image_base)
elif id == 202:
@ -134,6 +142,16 @@ def update(self, mi):
if mi.tags:
subjects = '; '.join(mi.tags)
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:
recs.append((201, pack('>I', self.cover_rindex)))
recs.append((203, pack('>I', 0)))