| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| from contextlib import nested |
| from jinja2 import Template |
| |
| def render_config(template_location, rendered_location, properties): |
| """ |
| A method for rendering simple key/value configs into a template. Uses Jinja2 |
| style templating. |
| |
| param: template_location -- File path of the input Jinja2 template. |
| param: rendered_location -- File path where rendered output should be saved. |
| param: properties -- A dictionary of key/value pairs to be passed to the |
| template with the accessor name 'properties'. |
| """ |
| with nested(open(template_location, 'r'), open(rendered_location, 'w')) as (input, output): |
| template = Template(input.read()) |
| rendered = template.render(properties=properties) |
| output.write(rendered) |
