diff options
Diffstat (limited to 'grc')
| -rw-r--r-- | grc/src/platforms/python/FlowGraph.py | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/grc/src/platforms/python/FlowGraph.py b/grc/src/platforms/python/FlowGraph.py index b2863ef72..d0b997a58 100644 --- a/grc/src/platforms/python/FlowGraph.py +++ b/grc/src/platforms/python/FlowGraph.py @@ -35,7 +35,7 @@ def _get_value_expr(variable_block): class FlowGraph(_FlowGraph): - #_eval_cache = dict() + _eval_cache = dict() def _eval(self, code, namespace): """ Evaluate the code with the given namespace. @@ -43,13 +43,12 @@ class FlowGraph(_FlowGraph): @param namespace a dict representing the namespace @return the resultant object """ - #check cache - #if self._eval_cache.has_key(code) and self._eval_cache[code][0] == namespace: - # return self._eval_cache[code][1] - #evaluate - result = eval(code, namespace, namespace) - #self._eval_cache[code] = (namespace.copy(), result) - return result + my_hash = hash(code + str(namespace)) + #cache if does not exist + if not self._eval_cache.has_key(my_hash): + self._eval_cache[my_hash] = eval(code, namespace, namespace) + #return from cache + return self._eval_cache[my_hash] def _get_io_signature(self, pad_key): """ |