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Ensure there are no duplicates in the merged/intersected lists

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This commit is contained in:
Marc Pujol 2014-05-30 15:47:18 +02:00
parent f892cc798c
commit d0f82e94e8
1 changed files with 10 additions and 7 deletions
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17
lib/ansible/utils/__init__.py
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@ -1004,17 +1004,20 @@ def is_list_of_strings(items):
return True return True
def list_union(a, b): def list_union(a, b):
result = list(a) result = []
for i in b: for x in a:
if i not in result: if x not in result:
result.append(i) result.append(x)
for x in b:
if x not in result:
result.append(x)
return result return result
def list_intersection(a, b): def list_intersection(a, b):
result = [] result = []
for i in a: for x in a:
if i in b: if x in b and x not in result:
result.append(i) result.append(x)
return result return result
def safe_eval(expr, locals={}, include_exceptions=False): def safe_eval(expr, locals={}, include_exceptions=False):