41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# Copyright 2014-2015 Canonical Limited.
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#
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# This file is part of charm-helpers.
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#
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# charm-helpers is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3 as
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# published by the Free Software Foundation.
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#
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# charm-helpers is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
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"""
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Templating using the python-jinja2 package.
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"""
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import six
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from charmhelpers.fetch import apt_install, apt_update
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try:
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import jinja2
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except ImportError:
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apt_update(fatal=True)
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if six.PY3:
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apt_install(["python3-jinja2"], fatal=True)
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else:
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apt_install(["python-jinja2"], fatal=True)
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import jinja2
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DEFAULT_TEMPLATES_DIR = 'templates'
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def render(template_name, context, template_dir=DEFAULT_TEMPLATES_DIR):
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templates = jinja2.Environment(
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loader=jinja2.FileSystemLoader(template_dir))
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template = templates.get_template(template_name)
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return template.render(context)
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