""" The CfgCheetahGenerator allows you to use the `Cheetah
`_ templating system to generate
:ref:`server-plugins-generators-cfg` files. """
import copy
import logging
import Bcfg2.Server.Plugin
from Bcfg2.Server.Plugins.Cfg import CfgGenerator
logger = logging.getLogger(__name__)
try:
from Cheetah.Template import Template
have_cheetah = True
except ImportError:
have_cheetah = False
class CfgCheetahGenerator(CfgGenerator):
""" The CfgCheetahGenerator allows you to use the `Cheetah
`_ templating system to generate
:ref:`server-plugins-generators-cfg` files. """
#: Handle .cheetah files
__extensions__ = ['cheetah']
#: :class:`Cheetah.Template.Template` compiler settings
settings = dict(useStackFrames=False)
def __init__(self, fname, spec, encoding):
CfgGenerator.__init__(self, fname, spec, encoding)
if not have_cheetah:
msg = "Cfg: Cheetah is not available: %s" % entry.get("name")
logger.error(msg)
raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
__init__.__doc__ = CfgGenerator.__init__.__doc__
def get_data(self, entry, metadata):
template = Template(self.data.decode(self.encoding),
compilerSettings=self.settings)
template.metadata = metadata
template.path = entry.get('realname', entry.get('name'))
template.source_path = self.name
return template.respond()
get_data.__doc__ = CfgGenerator.get_data.__doc__