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make mem_reducer.py ready for python 3

This commit is contained in:
Thomas Nagy 2014-01-02 23:56:31 +01:00
parent 9d6eb24abf
commit f5e26ff749
1 changed files with 4 additions and 4 deletions
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8
waflib/extras/mem_reducer.py
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@ -46,16 +46,16 @@ def set_precedence_constraints(tasks):
cstr_groups[h].append(x)
# create sets which can be reused for all tasks
for k in cstr_groups.iterkeys():
for k in cstr_groups.keys():
cstr_groups[k] = set(cstr_groups[k])
# this list should be short
for key1, key2 in itertools.combinations(cstr_groups.iterkeys(), 2):
for key1, key2 in itertools.combinations(cstr_groups.keys(), 2):
group1 = cstr_groups[key1]
group2 = cstr_groups[key2]
# get the first entry of the set
t1 = iter(group1).next()
t2 = iter(group2).next()
t1 = next(iter(group1))
t2 = next(iter(group2))
# add the constraints based on the comparisons
if Task.is_before(t1, t2):