Commit 14011da1 authored by Tiago Peixoto's avatar Tiago Peixoto

Implement PropertyMap.coerce_types()

parent 836b86fb
......@@ -414,6 +414,31 @@ class PropertyMap(object):
pmap[v] = copy.deepcopy(self[v], memo)
return pmap
def coerce_type(self, full=True):
"""Return a copy of the property map with the most appropriate type, i.e. the
simplest type necessary to accomodate all the values exactly. If ``full
== False``, in the case of filtered graphs only the unmasked values are
copied (with the remaining ones taking the type-dependent default
types = ["bool", "int16_t", "int32_t", "int64_t", "double",
"long double", "vector<bool>", "vector<int16_t>",
"vector<int32_t>", "vector<int64_t>", "vector<double>",
"vector<long double>", "string", "vector<string>"]
for t in types:
p = self.copy(value_type=t, full=full)
if t == "bool":
a = p.a if full else p.fa
if p.a.max() > 1:
if p.copy(value_type=self.value_type(), full=full) == self:
except (TypeError, ValueError, OverflowError):
return p
def get_graph(self):
"""Get the graph class to which the map refers."""
g = self.__g()
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