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ansible/lib/ansible/parsing/yaml/dumper.py

113 lines
3.0 KiB
Python

# (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
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,
)