For the children:

s/setop/set_operation/g

BTrees/IFBTree.py

@@ -31,7 +31,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_int as _to_key
 from ._base import to_float as _to_value
 from ._base import union as _union
@@ -91,12 +91,12 @@ IFTreeSetPy._mapping_type = IFBucketPy
 IFTreeSetPy._set_type = IFTreeSetPy._bucket_type = IFSetPy
 
 
-differencePy = _setop(_difference, IFSetPy)
-unionPy = _setop(_union, IFSetPy)
-intersectionPy = _setop(_intersection, IFSetPy)
-multiunionPy = _setop(_multiunion, IFSetPy)
-weightedUnionPy = _setop(_weightedUnion, IFSetPy)
-weightedIntersectionPy = _setop(_weightedIntersection, IFSetPy)
+differencePy = _set_operation(_difference, IFSetPy)
+unionPy = _set_operation(_union, IFSetPy)
+intersectionPy = _set_operation(_intersection, IFSetPy)
+multiunionPy = _set_operation(_multiunion, IFSetPy)
+weightedUnionPy = _set_operation(_weightedUnion, IFSetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, IFSetPy)
 
 try:
     from _IFBTree import IFBucket

BTrees/IIBTree.py

@@ -31,7 +31,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_int as _to_key
 from ._base import to_int as _to_value
 from ._base import union as _union
@@ -92,13 +92,13 @@ IITreeSetPy._mapping_type = IIBucketPy
 IITreeSetPy._set_type = IITreeSetPy._bucket_type = IISetPy
 
 
-differencePy = _setop(_difference, IISetPy)
-unionPy = _setop(_union, IISetPy)
-intersectionPy = _setop(_intersection, IISetPy)
-multiunionPy = _setop(_multiunion, IISetPy)
-weightedUnionPy = _setop(_weightedUnion, IISetPy)
+differencePy = _set_operation(_difference, IISetPy)
+unionPy = _set_operation(_union, IISetPy)
+intersectionPy = _set_operation(_intersection, IISetPy)
+multiunionPy = _set_operation(_multiunion, IISetPy)
+weightedUnionPy = _set_operation(_weightedUnion, IISetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, IISetPy)
 
-weightedIntersectionPy = _setop(_weightedIntersection, IISetPy)
 try:
     from _IIBTree import IIBucket
     from _IIBTree import IISet

BTrees/IOBTree.py

@@ -28,7 +28,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_int as _to_key
 from ._base import to_ob as _to_value
 from ._base import union as _union
@@ -77,10 +77,10 @@ IOTreeSetPy._mapping_type = IOBucketPy
 IOTreeSetPy._set_type = IOTreeSetPy._bucket_type = IOSetPy
 
 
-differencePy = _setop(_difference, IOSetPy)
-unionPy = _setop(_union, IOSetPy)
-intersectionPy = _setop(_intersection, IOSetPy)
-multiunionPy = _setop(_multiunion, IOSetPy)
+differencePy = _set_operation(_difference, IOSetPy)
+unionPy = _set_operation(_union, IOSetPy)
+intersectionPy = _set_operation(_intersection, IOSetPy)
+multiunionPy = _set_operation(_multiunion, IOSetPy)
 
 try:
     from _IOBTree import IOBucket

BTrees/LFBTree.py

@@ -31,7 +31,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_long as _to_key
 from ._base import to_float as _to_value
 from ._base import union as _union
@@ -92,12 +92,12 @@ LFTreeSetPy._mapping_type = LFBucketPy
 LFTreeSetPy._set_type = LFTreeSetPy._bucket_type = LFSetPy
 
 
-differencePy = _setop(_difference, LFSetPy)
-unionPy = _setop(_union, LFSetPy)
-intersectionPy = _setop(_intersection, LFSetPy)
-multiunionPy = _setop(_multiunion, LFSetPy)
-weightedUnionPy = _setop(_weightedUnion, LFSetPy)
-weightedIntersectionPy = _setop(_weightedIntersection, LFSetPy)
+differencePy = _set_operation(_difference, LFSetPy)
+unionPy = _set_operation(_union, LFSetPy)
+intersectionPy = _set_operation(_intersection, LFSetPy)
+multiunionPy = _set_operation(_multiunion, LFSetPy)
+weightedUnionPy = _set_operation(_weightedUnion, LFSetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, LFSetPy)
 
 try:
     from _LFBTree import LFBucket

BTrees/LLBTree.py

@@ -31,7 +31,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_long as _to_key
 from ._base import to_long as _to_value
 from ._base import union as _union
@@ -92,12 +92,12 @@ LLTreeSetPy._mapping_type = LLBucketPy
 LLTreeSetPy._set_type = LLTreeSetPy._bucket_type = LLSetPy
 
 
-differencePy = _setop(_difference, LLSetPy)
-unionPy = _setop(_union, LLSetPy)
-intersectionPy = _setop(_intersection, LLSetPy)
-multiunionPy = _setop(_multiunion, LLSetPy)
-weightedUnionPy = _setop(_weightedUnion, LLSetPy)
-weightedIntersectionPy = _setop(_weightedIntersection, LLSetPy)
+differencePy = _set_operation(_difference, LLSetPy)
+unionPy = _set_operation(_union, LLSetPy)
+intersectionPy = _set_operation(_intersection, LLSetPy)
+multiunionPy = _set_operation(_multiunion, LLSetPy)
+weightedUnionPy = _set_operation(_weightedUnion, LLSetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, LLSetPy)
 
 try:
     from _LLBTree import LLBucket

BTrees/LOBTree.py

@@ -28,7 +28,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_long as _to_key
 from ._base import to_ob as _to_value
 from ._base import union as _union
@@ -77,10 +77,10 @@ LOTreeSetPy._mapping_type = LOBucketPy
 LOTreeSetPy._set_type = LOTreeSetPy._bucket_type = LOSetPy
 
 
-differencePy = _setop(_difference, LOSetPy)
-unionPy = _setop(_union, LOSetPy)
-intersectionPy = _setop(_intersection, LOSetPy)
-multiunionPy = _setop(_multiunion, LOSetPy)
+differencePy = _set_operation(_difference, LOSetPy)
+unionPy = _set_operation(_union, LOSetPy)
+intersectionPy = _set_operation(_intersection, LOSetPy)
+multiunionPy = _set_operation(_multiunion, LOSetPy)
 
 try:
     from _LOBTree import LOBucket

BTrees/OIBTree.py

@@ -30,7 +30,7 @@ from ._base import Tree as BTree
 from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_ob as _to_key
 from ._base import to_int as _to_value
 from ._base import union as _union
@@ -90,11 +90,11 @@ OITreeSetPy._mapping_type = OIBucketPy
 OITreeSetPy._set_type = OITreeSetPy._bucket_type = OISetPy
 
 
-differencePy = _setop(_difference, OISetPy)
-unionPy = _setop(_union, OISetPy)
-intersectionPy = _setop(_intersection, OISetPy)
-weightedUnionPy = _setop(_weightedUnion, OISetPy)
-weightedIntersectionPy = _setop(_weightedIntersection, OISetPy)
+differencePy = _set_operation(_difference, OISetPy)
+unionPy = _set_operation(_union, OISetPy)
+intersectionPy = _set_operation(_intersection, OISetPy)
+weightedUnionPy = _set_operation(_weightedUnion, OISetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, OISetPy)
 
 try:
     from _OIBTree import OIBucket

BTrees/OLBTree.py

@@ -30,7 +30,7 @@ from ._base import Tree as BTree
 from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_ob as _to_key
 from ._base import to_int as _to_value
 from ._base import union as _union
@@ -91,11 +91,11 @@ OLTreeSetPy._mapping_type = OLBucketPy
 OLTreeSetPy._set_type = OLTreeSetPy._bucket_type = OLSetPy
 
 
-differencePy = _setop(_difference, OLSetPy)
-unionPy = _setop(_union, OLSetPy)
-intersectionPy = _setop(_intersection, OLSetPy)
-weightedUnionPy = _setop(_weightedUnion, OLSetPy)
-weightedIntersectionPy = _setop(_weightedIntersection, OLSetPy)
+differencePy = _set_operation(_difference, OLSetPy)
+unionPy = _set_operation(_union, OLSetPy)
+intersectionPy = _set_operation(_intersection, OLSetPy)
+weightedUnionPy = _set_operation(_weightedUnion, OLSetPy)
+weightedIntersectionPy = _set_operation(_weightedIntersection, OLSetPy)
 
 try:
     from _OLBTree import OLBucket

BTrees/OOBTree.py

@@ -26,7 +26,7 @@ from ._base import Tree as BTree
 from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_ob as _to_key
 from ._base import to_ob as _to_value
 from ._base import union as _union
@@ -78,9 +78,9 @@ OOTreeSetPy._mapping_type = OOBucketPy
 OOTreeSetPy._set_type = OOTreeSetPy._bucket_type = OOSetPy
 
 
-differencePy = _setop(_difference, OOSetPy)
-unionPy = _setop(_union, OOSetPy)
-intersectionPy = _setop(_intersection, OOSetPy)
+differencePy = _set_operation(_difference, OOSetPy)
+unionPy = _set_operation(_union, OOSetPy)
+intersectionPy = _set_operation(_intersection, OOSetPy)
 
 try:
     from _OOBTree import OOBucket

BTrees/_base.py

@@ -1203,7 +1203,7 @@ def _set_operation(s1, s2,
     return r
 
 
-class setop(object):
+class set_operation(object):
 
     def __init__(self, func, set_type):
         self.func = func

BTrees/fsBTree.py

@@ -31,7 +31,7 @@ from ._base import TreeSet
 from ._base import difference as _difference
 from ._base import intersection as _intersection
 from ._base import multiunion as _multiunion
-from ._base import setop as _setop
+from ._base import set_operation as _set_operation
 from ._base import to_str as _to_str
 from ._base import union as _union
 
@@ -101,10 +101,10 @@ fsTreeSetPy._mapping_type = fsBucketPy
 fsTreeSetPy._set_type = fsTreeSetPy._bucket_type = fsSetPy
 
 
-differencePy = _setop(_difference, fsSetPy)
-unionPy = _setop(_union, fsSetPy)
-intersectionPy = _setop(_intersection, fsSetPy)
-multiunionPy = _setop(_multiunion, fsSetPy)
+differencePy = _set_operation(_difference, fsSetPy)
+unionPy = _set_operation(_union, fsSetPy)
+intersectionPy = _set_operation(_intersection, fsSetPy)
+multiunionPy = _set_operation(_multiunion, fsSetPy)
 
 try:
     from _fsBTree import fsBucket