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diff --git a/lib/ansible/parsing/yaml/dumper.py b/lib/ansible/parsing/yaml/dumper.py
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+# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import yaml
+
+from ansible.module_utils.six import text_type, binary_type
+from ansible.module_utils.common.yaml import SafeDumper
+from ansible.parsing.yaml.objects import AnsibleUnicode, AnsibleSequence, AnsibleMapping, AnsibleVaultEncryptedUnicode
+from ansible.utils.unsafe_proxy import AnsibleUnsafeText, AnsibleUnsafeBytes, NativeJinjaUnsafeText, NativeJinjaText
+from ansible.template import AnsibleUndefined
+from ansible.vars.hostvars import HostVars, HostVarsVars
+from ansible.vars.manager import VarsWithSources
+
+
+class AnsibleDumper(SafeDumper):
+ '''
+ A simple stub class that allows us to add representers
+ for our overridden object types.
+ '''
+
+
+def represent_hostvars(self, data):
+ return self.represent_dict(dict(data))
+
+
+# Note: only want to represent the encrypted data
+def represent_vault_encrypted_unicode(self, data):
+ return self.represent_scalar(u'!vault', data._ciphertext.decode(), style='|')
+
+
+def represent_unicode(self, data):
+ return yaml.representer.SafeRepresenter.represent_str(self, text_type(data))
+
+
+def represent_binary(self, data):
+ return yaml.representer.SafeRepresenter.represent_binary(self, binary_type(data))
+
+
+def represent_undefined(self, data):
+ # Here bool will ensure _fail_with_undefined_error happens
+ # if the value is Undefined.
+ # This happens because Jinja sets __bool__ on StrictUndefined
+ return bool(data)
+
+
+AnsibleDumper.add_representer(
+ AnsibleUnicode,
+ represent_unicode,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleUnsafeText,
+ represent_unicode,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleUnsafeBytes,
+ represent_binary,
+)
+
+AnsibleDumper.add_representer(
+ HostVars,
+ represent_hostvars,
+)
+
+AnsibleDumper.add_representer(
+ HostVarsVars,
+ represent_hostvars,
+)
+
+AnsibleDumper.add_representer(
+ VarsWithSources,
+ represent_hostvars,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleSequence,
+ yaml.representer.SafeRepresenter.represent_list,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleMapping,
+ yaml.representer.SafeRepresenter.represent_dict,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleVaultEncryptedUnicode,
+ represent_vault_encrypted_unicode,
+)
+
+AnsibleDumper.add_representer(
+ AnsibleUndefined,
+ represent_undefined,
+)
+
+AnsibleDumper.add_representer(
+ NativeJinjaUnsafeText,
+ represent_unicode,
+)
+
+AnsibleDumper.add_representer(
+ NativeJinjaText,
+ represent_unicode,
+)