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Add new 'unsafe' YAML constructor

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This commit is contained in:
Matt Martz 2016-02-04 09:58:50 -06:00
parent b2c0abe998
commit 8bc2d3be9c
1 changed files with 12 additions and 1 deletions
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13
lib/ansible/parsing/yaml/constructor.py
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@ -22,6 +22,7 @@ __metaclass__ = type
from yaml.constructor import Constructor, ConstructorError
from yaml.nodes import MappingNode
from ansible.parsing.yaml.objects import AnsibleMapping, AnsibleSequence, AnsibleUnicode
from ansible.vars.unsafe_proxy import wrap_var
try:
from __main__ import display
@ -72,7 +73,7 @@ class AnsibleConstructor(Constructor):
return mapping
def construct_yaml_str(self, node):
def construct_yaml_str(self, node, unsafe=False):
# Override the default string handling function
# to always return unicode objects
value = self.construct_scalar(node)
@ -80,6 +81,9 @@ class AnsibleConstructor(Constructor):
ret.ansible_pos = self._node_position_info(node)
if unsafe:
ret = wrap_var(ret)
return ret
def construct_yaml_seq(self, node):
@ -88,6 +92,9 @@ class AnsibleConstructor(Constructor):
data.extend(self.construct_sequence(node))
data.ansible_pos = self._node_position_info(node)
def construct_yaml_unsafe(self, node):
return self.construct_yaml_str(node, unsafe=True)
def _node_position_info(self, node):
# the line number where the previous token has ended (plus empty lines)
# Add one so that the first line is line 1 rather than line 0
@ -121,3 +128,7 @@ AnsibleConstructor.add_constructor(
AnsibleConstructor.add_constructor(
u'tag:yaml.org,2002:seq',
AnsibleConstructor.construct_yaml_seq)
AnsibleConstructor.add_constructor(
u'!unsafe',
AnsibleConstructor.construct_yaml_unsafe)