def LoadFrom(cls, **kwargs):
options = cls.parse_options(**kwargs)
if options['path'] == '':
raise iDBError(EIDBNODIR,
'Please specify the database directory first!')
vData = None
#vType = None #see LoadItem
if options['storeInXattr']:
vData = cls.get_by_xattr(options['path'], options['key'],
**options)
#vType = cls.get_by_xattr(options['path'], options['key'], IDB_KEY_TYPE_NAME)
else:
options['storeInFile'] = True
if vData == None and options['storeInFile']:
vData = cls.get_by_file(options['path'], options['key'], **options)
#vType = cls.get_by_file(options['path'], options['key'], IDB_KEY_TYPE_NAME)
if vData == None:
raise iDBError(
EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." %
path.join(options['path'], options['key']))
# create a new instance
result = cls(cls.__data__(vData), **kwargs)
#result.data = vData
return result
def GetType(cls, ** kwargs):
options = cls.parse_options(** kwargs)
if options['path'] == '':
raise iDBError(EIDBNODIR, 'Please specify the database directory first!')
data = Item.get_by_xattr(options['path'], options['key'], IDB_KEY_TYPE_NAME)
if data == None and options['storeInFile']:
data = Item.get_by_file(options['path'], options['key'], IDB_KEY_TYPE_NAME)
if data == None:
raise iDBError(EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." % path.join(options['path'], options['key']))
return data
def GetType(cls, **kwargs):
options = cls.parse_options(**kwargs)
if options['path'] == '':
raise iDBError(EIDBNODIR,
'Please specify the database directory first!')
data = Item.get_by_xattr(options['path'], options['key'],
IDB_KEY_TYPE_NAME)
if data == None and options['storeInFile']:
data = Item.get_by_file(options['path'], options['key'],
IDB_KEY_TYPE_NAME)
if data == None:
raise iDBError(
EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." %
path.join(options['path'], options['key']))
return data
def LoadFromFile(self, aKey=None):
if aKey == None:
aKey = self.key
result = self.get_by_file(self.path, aKey, ** self._options )
if result == None:
raise iDBError(EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." % path.join(self.path, self.key))
return result
self.data = self.__data__(result)
return self
def LoadFromXattr(self, aKey=None):
# load the item from the aKey
if aKey == None:
aKey = self.key
result = self.get_by_xattr(self.path, aKey, ** self._options)
if result == None:
raise iDBError(EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." % path.join(self.path, aKey))
return result
self.data = self.__data__(result)
return self
def LoadFromFile(self, aKey=None):
if aKey == None:
aKey = self.key
result = self.get_by_file(self.path, aKey, **self._options)
if result == None:
raise iDBError(
EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." %
path.join(self.path, self.key))
return result
self.data = self.__data__(result)
return self
def LoadFromXattr(self, aKey=None):
# load the item from the aKey
if aKey == None:
aKey = self.key
result = self.get_by_xattr(self.path, aKey, **self._options)
if result == None:
raise iDBError(
EIDBNOSUCHKEY,
"Error: No Such Key(%s) Exists." % path.join(self.path, aKey))
return result
self.data = self.__data__(result)
return self
def new(cls, aData, aNewFunc, **kwargs):
result = aNewFunc(aData)
# the path is the database path
# the key is the list's key
options = cls.parse_options(** kwargs)
result.ApplyOptions( ** options)
#for key, value in options.iteritems():
# setattr(result, '_' + key, value)
if result.path == '':
raise iDBError(EIDBNODIR, 'Please specify the database directory first!')
result.key = result._key
return result
def new(cls, aData, aNewFunc, **kwargs):
result = aNewFunc(aData)
# the path is the database path
# the key is the list's key
options = cls.parse_options(**kwargs)
result.ApplyOptions(**options)
#for key, value in options.iteritems():
# setattr(result, '_' + key, value)
if result.path == '':
raise iDBError(EIDBNODIR,
'Please specify the database directory first!')
result.key = result._key
return result
def LoadFrom(cls, **kwargs):
options = cls.parse_options(** kwargs)
if options['path'] == '':
raise iDBError(EIDBNODIR, 'Please specify the database directory first!')
vData = None
#vType = None #see LoadItem
if options['storeInXattr']:
vData = cls.get_by_xattr(options['path'], options['key'], ** options)
#vType = cls.get_by_xattr(options['path'], options['key'], IDB_KEY_TYPE_NAME)
else:
options['storeInFile'] = True
if vData == None and options['storeInFile']:
vData = cls.get_by_file(options['path'], options['key'], ** options)
#vType = cls.get_by_file(options['path'], options['key'], IDB_KEY_TYPE_NAME)
if vData == None:
raise iDBError(EIDBNOSUCHKEY, "Error: No Such Key(%s) Exists." % path.join(options['path'], options['key']))
# create a new instance
result = cls(cls.__data__(vData), ** kwargs)
#result.data = vData
return result
def Open(self, aSkipDBConfig = False):
if self.path == '':
raise iDBError(EIDBNODIR, 'Please specify the database directory first!')
vMetaInfo = Dict(path=self.path, key='.db', storeInFile=True, storeInXattr=False)
if vMetaInfo.Exists():
vMetaInfo.Load()
self._version = vMetaInfo['version']
#if vMetaInfo.has_key('version')
if not aSkipDBConfig:
self.ApplyOptions(** vMetaInfo['config']);
else:
vMetaInfo['config'] = self.GetOptions()
vMetaInfo['version'] = self.version
vMetaInfo.Save()
self.opened = True
