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""" The CfgCheetahGenerator allows you to use the `Cheetah
<http://www.cheetahtemplate.org/>`_ templating system to generate
:ref:`server-plugins-generators-cfg` files. """
from Bcfg2.Server.Plugin import PluginExecutionError
from Bcfg2.Server.Plugins.Cfg import CfgGenerator
try:
from Cheetah.Template import Template
HAS_CHEETAH = True
except ImportError:
HAS_CHEETAH = False
class CfgCheetahGenerator(CfgGenerator):
""" The CfgCheetahGenerator allows you to use the `Cheetah
<http://www.cheetahtemplate.org/>`_ templating system to generate
:ref:`server-plugins-generators-cfg` files. """
#: Handle .cheetah files
__extensions__ = ['cheetah']
#: Low priority to avoid matching host- or group-specific
#: .crypt.cheetah files
__priority__ = 50
#: :class:`Cheetah.Template.Template` compiler settings
settings = dict(useStackFrames=False)
def __init__(self, fname, spec, encoding):
CfgGenerator.__init__(self, fname, spec, encoding)
if not HAS_CHEETAH:
raise PluginExecutionError("Cheetah is not available")
__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.name = entry.get('realname', entry.get('name'))
template.path = entry.get('realname', entry.get('name'))
template.source_path = self.name
template.repo = self.setup['repo']
return template.respond()
get_data.__doc__ = CfgGenerator.get_data.__doc__
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