Commit 4a171495 authored by Tiago Peixoto's avatar Tiago Peixoto
Browse files

Implement pickling of PropertyMap objects

parent 661ffc73
......@@ -706,6 +706,58 @@ class PropertyMap(object):
p.fa = a
return p
def __getstate__(self):
g = self.get_graph()
value_type = self.value_type()
key_type = self.key_type()
if not self.is_writable():
vals = None
u = GraphView(g, skip_vfilt=True, skip_efilt=True)
if key_type == "v":
vals = [_convert(self, self[v]) for v in u.vertices()]
elif key_type == "e":
vals = [_convert(self, self[e]) for e in u.edges()]
vals = _convert(self, self[g])
state = dict(g=g, value_type=value_type,
key_type=key_type, vals=vals,
is_vindex=self is g.vertex_index,
is_eindex=self is g.edge_index)
return state
def __setstate__(self, state):
g = state["g"]
key_type = state["key_type"]
value_type = state["value_type"]
vals = state["vals"]
if state["is_vindex"]:
pmap = g.vertex_index
elif state["is_eindex"]:
pmap = g.edge_index
u = GraphView(g, skip_vfilt=True, skip_efilt=True)
if key_type == "v":
pmap = g.new_vertex_property(value_type)
for i, v in enumerate(u.vertices()):
pmap[v] = vals[i]
elif key_type == "e":
pmap = g.new_edge_property(value_type)
for i, e in enumerate(u.edges()):
pmap[e] = vals[i]
pmap = g.new_graph_property(value_type)
pmap[g] = vals
self.__map = pmap.__map
self.__g = pmap.__g
self.__base_g = pmap.__base_g
self.__key_type = key_type
def _check_prop_writable(prop, name=None):
if not prop.is_writable():
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