def __init__(self,larg,internal=False):
SHMOBJ.__init__(self, larg, internal)
if isinstance(larg,list):
self.addr = py2shmobj.shmlist_init()
if self.addr is None:
raise Exception('SHMLST allocation failed: out of memory')
for e in larg:
if not isinstance(e, SHMOBJ):
raise TypeError("** invalid type being inserted in shmlist")
ep = e.get_ptr()
np = py2shmobj.shmlnode_alloc()
(datatype, datalen) = get_type_and_len(e)
py2shmobj.shmlnode_init(np,ep,datatype,datalen)
py2shmobj.shmlist_append(self.addr,np)
elif self.addr is None:
raise TypeError("invalid type %s assigned to SHMLST" % type(arg))
def insert(self, idx, item):
SHMOBJ.protect(self)
mylen = len(self)
if(idx < 0):
idx += mylen
if(idx < 0):
idx = 0
if(idx > mylen):
idx = mylen
if not isinstance(item, SHMOBJ):
raise TypeError("cannot insert type '%s' into SHMLST" % type(item))
datatype, datalen = get_type_and_len(item)
ep = item.get_ptr()
np = py2shmobj.shmlnode_alloc()
if np is None:
raise Exception('shmlnode_alloc failed: out of memory')
py2shmobj.shmlnode_init(np,ep,datatype,datalen)
py2shmobj.shmlist_insert(self.addr, idx, np)
return None