mirror of
https://github.com/CumulusNetworks/ifupdown2.git
synced 2024-05-06 15:54:50 +00:00
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
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#!/usr/bin/python
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import logging
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import traceback
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from utils import *
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class templateEngine():
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def __init__(self, template_engine, template_lookuppath=None):
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self.logger = logging.getLogger('ifupdown.' +
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self.__class__.__name__)
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self.tclass = None
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self.tclassargs = {}
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self.render = self._render_default
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if template_engine == 'mako':
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try:
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self.tclass = utils.importName('mako.template', 'Template')
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except Exception, e:
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self.logger.warn('unable to load template engine %s (%s)'
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%(template_engine, str(e)))
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pass
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if template_lookuppath:
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try:
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self.logger.debug('setting template lookuppath to %s'
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%template_lookuppath)
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lc = utils.importName('mako.lookup', 'TemplateLookup')
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self.tclassargs['lookup'] = lc(
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directories=template_lookuppath.split(':'))
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except Exception, e:
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self.logger.warn('unable to set template lookup path' +
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' %s (%s)' %(template_lookuppath, str(e)))
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pass
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self.render = self._render_mako
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else:
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self.logger.info('skip template processing.., ' +
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'template engine not found')
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def _render_default(self, textdata):
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return textdata
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def _render_mako(self, textdata):
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""" render textdata passed as argument using mako
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Returns rendered textdata """
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if not self.tclass:
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return textdata
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self.logger.info('template processing on interfaces file ...')
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t = self.tclass(text=textdata, output_encoding='utf-8',
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lookup=self.tclassargs.get('lookup'))
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return t.render()
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