Speedup creating Item objects (jendrikseipp#165)

According to vmprof (https://github.com/vmprof/vmprof-python) over a large code base, about 20% of the time was spent in Item:__init__, use slots to reduce the time spent in Item:__init__ to 1%
RJ722 · Jul 15, 2019 · fe494ec · fe494ec
1 parent fb501be
commit fe494ec
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/vulture/core.py b/vulture/core.py
@@ -102,6 +102,8 @@ class Item(object):
     """
     Hold the name, type and location of defined code.
     """
+    __slots__ = ('name', 'typ', 'filename', 'first_lineno',
+                 'last_lineno', 'message', 'confidence')
 
     def __init__(self, name, typ, filename, first_lineno, last_lineno,
                  message='',