moved memoize class to helpers dir

1 files changed, 13 insertions, 0 deletions

diff --git a/helpers/memoize.py b/helpers/memoize.py
new file mode 100644
index 0000000..95057ad
--- /dev/null
+++ b/helpers/memoize.py
@@ -0,0 +1,13 @@
+class memoized(object):
+   def __init__(self, func):
+      self.func = func
+      self.cache = {}
+   def __call__(self, *args):
+      try:
+         return self.cache[args]
+      except KeyError:
+         value = self.func(*args)
+         self.cache[args] = value
+         return value
+      except TypeError:
+         return self.func(*args)