def diff(self, other):
assert(self.__class__ == other.__class__)
us = set(self.iterAll())
them = set(other.iterAll())
added = us - them
removed = them - us
if not added and not removed:
return None
l = []
if len(removed) >= (1 << 16):
raise OverflowError
if len(added) >= (1 << 16):
raise OverflowError
l.append(struct.pack("!HH", len(removed), len(added)))
for typeId, item in removed:
s = item.freeze()
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
# make sure the additions are ordered
for typeId, item in self.iterAll():
if (typeId, item) in added:
s = item.freeze()
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
return "".join(l)
def diff(self, other):
assert (self.__class__ == other.__class__)
us = set(self.iterAll())
them = set(other.iterAll())
added = us - them
removed = them - us
if not added and not removed:
return None
l = []
if len(removed) >= (1 << 16):
raise OverflowError
if len(added) >= (1 << 16):
raise OverflowError
l.append(struct.pack("!HH", len(removed), len(added)))
for typeId, item in removed:
s = item.freeze()
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
# make sure the additions are ordered
for typeId, item in self.iterAll():
if (typeId, item) in added:
s = item.freeze()
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
return "".join(l)
def freeze(self, skipSet = None):
if not self:
return ''
l = []
for s in self:
l.append(pack.dynamicSize(len(s)))
l.append(s)
return ''.join(l)
def freeze(self, skipSet=None):
if not self:
return ''
l = []
for s in self:
l.append(pack.dynamicSize(len(s)))
l.append(s)
return ''.join(l)
def freeze(self, skipSet = {}):
if self._data is not None:
if not skipSet:
return self._data
else:
self._thaw()
l = []
for typeId, itemList in (self._items.iteritems()):
for item in itemList:
s = item.freeze(skipSet = skipSet)
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
return "".join(l)
def freeze(self, skipSet={}):
if self._data is not None:
if not skipSet:
return self._data
else:
self._thaw()
l = []
for typeId, itemList in (self._items.iteritems()):
for item in itemList:
s = item.freeze(skipSet=skipSet)
l.append(struct.pack('!B', typeId))
l.append(pack.dynamicSize(len(s)))
l.append(s)
return "".join(l)
