templating.py 文件源码

def render_and_write(template_dir, path, context):
    """Renders the specified template into the file.

    :param template_dir: the directory to load the template from
    :param path: the path to write the templated contents to
    :param context: the parameters to pass to the rendering engine
    """
    env = Environment(loader=FileSystemLoader(template_dir))
    template_file = os.path.basename(path)
    template = env.get_template(template_file)
    log('Rendering from template: %s' % template.name, level=DEBUG)
    rendered_content = template.render(context)
    if not rendered_content:
        log("Render returned None - skipping '%s'" % path,
            level=WARNING)
        return

    write(path, rendered_content.encode('utf-8').strip())
    log('Wrote template %s' % path, level=DEBUG)