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Fix dangerous default args. (#29839)

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Matt Clay 2017-09-12 00:11:13 -07:00 • committed by GitHub
parent 5caa47feb9
commit 68aeaa58a8
50 changed files with 253 additions and 87 deletions
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3
lib/ansible/template/safe_eval.py
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@ -27,7 +27,7 @@ from ansible.module_utils.six.moves import builtins
from ansible.plugins.loader import filter_loader, test_loader
def safe_eval(expr, locals={}, include_exceptions=False):
def safe_eval(expr, locals=None, include_exceptions=False):
'''
This is intended for allowing things like:
with_items: a_list_variable
@ -38,6 +38,7 @@ def safe_eval(expr, locals={}, include_exceptions=False):
Based on:
http://stackoverflow.com/questions/12523516/using-ast-and-whitelists-to-make-pythons-eval-safe
'''
locals = {} if locals is None else locals
# define certain JSON types
# eg. JSON booleans are unknown to python eval()