def __init__(self, shmdict, type='keys'):
self.dict = shmdict.get_ptr()
self.node = py2shmobj.shmdict_first(self.dict)
if type == 'values':
self.__val = self.__value
elif type == 'items':
self.__val = self.__item
else:
self.__val = self.__key
def popitem(self):
SHMOBJ.protect(self)
np = py2shmobj.shmdict_first(self.addr)
if np:
kp = py2shmobj.shmdnode_getkey(np)
key = SHMSTR(kp,internal=True)
val = self.pop(key, deletekey=False)
return (key, val)
else:
raise KeyError('popitem(): SHMDCT is empty')
def clear(self, shallow=False):
SHMOBJ.protect(self)
np = py2shmobj.shmdict_first(self.addr)
while np:
(p,datatype,datalen) = py2shmobj.shmdnode_get(np)
if not shallow:
#DE - for now we assume the key is always a SHMSTR
kp = py2shmobj.shmdnode_getkey(np)
py2shmobj.shmobj_del(kp)
val = typed_ptr(p,datatype)
if type(val) in [SHMLST, SHMDCT]:
val.delete(shallow=shallow)
elif isinstance(val, SHMOBJ):
val.delete()
next = py2shmobj.shmdict_next(self.addr,np)
py2shmobj.shmdict_remove(self.addr, np)
py2shmobj.shmobj_del(np)
np = next
def __iter__(self):
self.node = py2shmobj.shmdict_first(self.dict)
return self