Current File : //lib/python2.7/site-packages/salt/renderers/dson.py
# -*- coding: utf-8 -*-
'''
DSON Renderer for Salt
This renderer is intended for demonstration purposes. Information on the DSON
spec can be found `here`__.
.. __: http://vpzomtrrfrt.github.io/DSON/
This renderer requires `Dogeon`__ (installable via pip)
.. __: https://github.com/soasme/dogeon
'''
from __future__ import absolute_import, print_function, unicode_literals
# Import python libs
import logging
try:
import dson
except ImportError:
dson = None
# Import salt libs
from salt.ext import six
log = logging.getLogger(__name__)
def __virtual__():
if dson is None:
return False, 'Failed to load: dson module not installed'
return True
def render(dson_input, saltenv='base', sls='', **kwargs):
'''
Accepts DSON data as a string or as a file object and runs it through the
JSON parser.
:rtype: A Python data structure
'''
if not isinstance(dson_input, six.string_types):
dson_input = dson_input.read()
log.debug('DSON input = %s', dson_input)
if dson_input.startswith('#!'):
dson_input = dson_input[(dson_input.find('\n') + 1):]
if not dson_input.strip():
return {}
return dson.loads(dson_input)
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