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implement jinja2 header overrides

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This commit is contained in:
Pierre-Louis Bonicoli 2015-07-03 22:27:49 +02:00
parent de98dc2968
commit 720e184f88
1 changed files with 12 additions and 0 deletions
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12
lib/ansible/template/__init__.py
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@ -19,6 +19,7 @@
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import ast
import re
from jinja2 import Environment
@ -256,6 +257,17 @@ class Templar:
overrides = JINJA2_ALLOWED_OVERRIDES.intersection(set(overrides))
myenv = self.environment.overlay(overrides)
# Get jinja env overrides from template
if data.startswith(JINJA2_OVERRIDE):
eol = data.find('\n')
line = data[len(JINJA2_OVERRIDE):eol]
data = data[eol+1:]
for pair in line.split(','):
(key,val) = pair.split(':')
key = key.strip()
if key in JINJA2_ALLOWED_OVERRIDES:
setattr(myenv, key, ast.literal_eval(val.strip()))
#FIXME: add tests
myenv.filters.update(self._get_filters())