Author: Alex Gaynor <[email protected]>
Branch:
Changeset: r59458:f59cfaad6a89
Date: 2012-12-16 03:20 -0800
http://bitbucket.org/pypy/pypy/changeset/f59cfaad6a89/
Log: some small style cleanups
diff --git a/pypy/tool/algo/unionfind.py b/pypy/tool/algo/unionfind.py
--- a/pypy/tool/algo/unionfind.py
+++ b/pypy/tool/algo/unionfind.py
@@ -1,9 +1,9 @@
-# This is a general algorithm used by the annotator.
+# This is a general algorithm used by the annotator, translator, and other code
# union-find impl, a info object is attached to the roots
+
class UnionFind(object):
-
def __init__(self, info_factory=None):
self.link_to_parent = {}
self.weight = {}
@@ -13,7 +13,7 @@
# mapping-like [] access
def __getitem__(self, obj):
if obj not in self.link_to_parent:
- raise KeyError, obj
+ raise KeyError(obj)
ignore, rep, info = self.find(obj)
@@ -64,7 +64,6 @@
return False, parent, self.root_info[parent]
-
def union(self, obj1, obj2): # -> not_noop, rep, info
new1, rep1, info1 = self.find(obj1)
@@ -93,6 +92,3 @@
self.root_info[rep1] = info1
return True, rep1, info1
-
-
-
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