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avoid spurious warnigns on unique filter

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fixes #46189
This commit is contained in:
Brian Coca 2018-09-27 15:58:41 -04:00 committed by Brian Coca
parent 76bd7ab25a
commit 24593f2ffb
2 changed files with 14 additions and 8 deletions
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2
changelogs/fragments/avoid_spurious_unique_warnings.yml Normal file
View file

@ -0,0 +1,2 @@
bugfixes:
- Narrow the cases in which we warn about Jinja2 unique filters https://github.com/ansible/ansible/issues/46189

20
lib/ansible/plugins/filter/mathstuff.py
View file

@ -51,7 +51,12 @@ except ImportError:
@environmentfilter
def unique(environment, a, case_sensitive=False, attribute=None):
error = None
def _do_fail(e):
if case_sensitive or attribute:
raise AnsibleFilterError("Jinja2's unique filter failed and we cannot fall back to Ansible's version "
"as it does not support the parameters supplied", orig_exc=e)
error = e = None
try:
if HAS_UNIQUE:
c = do_unique(environment, a, case_sensitive=case_sensitive, attribute=attribute)
@ -59,14 +64,13 @@ def unique(environment, a, case_sensitive=False, attribute=None):
c = set(c)
else:
c = list(c)
except TypeError as e:
_do_fail(e)
except Exception as e:
if case_sensitive or attribute:
raise AnsibleFilterError("Jinja2's unique filter failed and we cannot fall back to Ansible's version "
"as it does not support the parameters supplied", orig_exc=e)
else:
display.warning('Falling back to Ansible unique filter as Jinja2 one failed: %s' % to_text(e))
error = e
_do_fail(e)
display.warning('Falling back to Ansible unique filter as Jinja2 one failed: %s' % to_text(e))
finally:
error = e
if not HAS_UNIQUE or error: