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Merge branch 'master' of https://github.com/cbhaley/calibre

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This commit is contained in:
Kovid Goyal 2013-10-12 16:34:19 +05:30
commit 9038754c71
1 changed files with 47 additions and 28 deletions
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75
src/calibre/devices/smart_device_app/driver.py
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@ -682,30 +682,36 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
return None
def _metadata_in_cache(self, uuid, ext, lastmod):
if lastmod == 'None':
return None
from calibre.utils.date import parse_date, now
key = uuid+ext
if isinstance(lastmod, unicode):
lastmod = parse_date(lastmod)
if key in self.known_uuids and self.known_uuids[key]['book'].last_modified == lastmod:
self.known_uuids[key]['last_used'] = now()
return self.known_uuids[key]['book'].deepcopy()
try:
from calibre.utils.date import parse_date, now
key = uuid+ext
if isinstance(lastmod, unicode):
if lastmod == 'None':
return None
lastmod = parse_date(lastmod)
if key in self.known_uuids and self.known_uuids[key]['book'].last_modified == lastmod:
self.known_uuids[key]['last_used'] = now()
return self.known_uuids[key]['book'].deepcopy()
except:
traceback.print_exc()
return None
def _metadata_already_on_device(self, book):
v = self.known_metadata.get(book.lpath, None)
if v is not None:
# Metadata is the same if the uuids match, if the last_modified dates
# match, and if the height of the thumbnails is the same. The last
# is there to allow a device to demand a different thumbnail size
if (v.get('uuid', None) == book.get('uuid', None) and
v.get('last_modified', None) == book.get('last_modified', None)):
v_thumb = v.get('thumbnail', None)
b_thumb = book.get('thumbnail', None)
if bool(v_thumb) != bool(b_thumb):
return False
return not v_thumb or v_thumb[1] == b_thumb[1]
try:
v = self.known_metadata.get(book.lpath, None)
if v is not None:
# Metadata is the same if the uuids match, if the last_modified dates
# match, and if the height of the thumbnails is the same. The last
# is there to allow a device to demand a different thumbnail size
if (v.get('uuid', None) == book.get('uuid', None) and
v.get('last_modified', None) == book.get('last_modified', None)):
v_thumb = v.get('thumbnail', None)
b_thumb = book.get('thumbnail', None)
if bool(v_thumb) != bool(b_thumb):
return False
return not v_thumb or v_thumb[1] == b_thumb[1]
except:
traceback.print_exc()
return False
def _uuid_already_on_device(self, uuid, ext):
@ -730,9 +736,9 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
'_metadata_cache.json')
self.known_uuids = defaultdict(dict)
self.known_metadata = {}
if os.path.exists(cache_file_name):
with open(cache_file_name, mode='rb') as fd:
try:
try:
if os.path.exists(cache_file_name):
with open(cache_file_name, mode='rb') as fd:
while True:
rec_len = fd.readline()
if len(rec_len) != 8:
@ -750,16 +756,24 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
self.known_uuids.pop(uuid, None)
else:
self.known_metadata[lpath] = metadata
except:
traceback.print_exc()
except:
traceback.print_exc()
self.known_uuids = defaultdict(dict)
self.known_metadata = {}
try:
if os.path.exists(cache_file_name):
os.remove(cache_file_name)
except:
traceback.print_exc()
def _write_metadata_cache(self):
from calibre.utils.config import to_json
cache_file_name = os.path.join(cache_dir(),
'device_drivers_' + self.__class__.__name__ +
'_metadata_cache.json')
with open(cache_file_name, mode='wb') as fd:
try:
try:
with open(cache_file_name, mode='wb') as fd:
for uuid,book in self.known_uuids.iteritems():
json_metadata = defaultdict(dict)
json_metadata[uuid]['book'] = self.json_codec.encode_book_metadata(book['book'])
@ -768,6 +782,11 @@ class SMART_DEVICE_APP(DeviceConfig, DevicePlugin):
fd.write("%0.7d\n"%(len(result)+1))
fd.write(result)
fd.write('\n')
except:
traceback.print_exc()
try:
if os.path.exists(cache_file_name):
os.remove(cache_file_name)
except:
traceback.print_exc()