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manage levels for 'multiple included lists' (#46359)

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* manage levels for 'multiple included lists'

fixes #46343

(cherry picked from commit 80d977bac6)
(cherry picked from commit ef6637895301842ff0a62f35ef1a6e517af60e39)
This commit is contained in:
Brian Coca 2018-10-10 12:34:58 -04:00 committed by Matt Clay
parent d61d285a6f
commit 78da8341a5
2 changed files with 4 additions and 2 deletions
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2
changelogs/fragments/fix_flatten.yml Normal file
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@ -0,0 +1,2 @@
bugfixes:
- fix flatten to properly handle multiple lists in lists https://github.com/ansible/ansible/issues/46343

4
lib/ansible/plugins/filter/core.py
View file

@ -463,8 +463,8 @@ def flatten(mylist, levels=None):
if levels is None:
ret.extend(flatten(element))
elif levels >= 1:
levels = int(levels) - 1
ret.extend(flatten(element, levels=levels))
# decrement as we go down the stack
ret.extend(flatten(element, levels=(int(levels) - 1)))
else:
ret.append(element)
else: