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@ -238,6 +238,18 @@ def template(basedir, text, vars, expand_lists=False):
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text = varReplace(basedir, unicode(text), vars, expand_lists=expand_lists)
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return text
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class _jinja2_vars(object):
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''' helper class to template all variable content before jinja2 sees it '''
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def __init__(self, basedir, vars):
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self.basedir = basedir
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self.vars = vars
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def __contains__(self, k):
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return k in self.vars
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def __getitem__(self, varname):
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if varname not in self.vars:
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raise KeyError("undefined variable: %s" % varname)
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return template_ds(self.basedir, self.vars[varname], self.vars)
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def template_from_file(basedir, path, vars):
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''' run a file through the templating engine '''
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@ -276,7 +288,11 @@ def template_from_file(basedir, path, vars):
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vars['ansible_managed'] = time.strftime(managed_str,
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time.localtime(os.path.getmtime(realpath)))
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res = t.render(vars)
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# This line performs deep Jinja2 magic that uses the _jinja2_vars object for vars
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# Ideally, this could use some API where setting shared=True and the object won't get
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# passed through dict(o), but I have not found that yet.
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res = jinja2.utils.concat(t.root_render_func(t.new_context(_jinja2_vars(basedir, vars), shared=True)))
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if data.endswith('\n') and not res.endswith('\n'):
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res = res + '\n'
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return template(basedir, res, vars)
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