使用烧瓶资产与Flask-Mako

时间:2014-12-11 20:18:21

标签: python flask mako webassets

我想使用flask-assets来组织我的webassets和mako进行模板化。 Flask-assets通常以下列方式使用jinja:

{% assets "js_all" %}
    <script type="text/javascript" src="{{ ASSET_URL }}"></script>
{% endassets %}

Mako等价物(据我所知)将如下:

    % assets 'coffee':
        <script type="text/javascript" src="{{ ASSET_URL }}"></script>
    % endassets

但是这会导致编译错误:

mako.exceptions.CompileException
CompileException: Unsupported control keyword: 'assets' in file '/index.html' at line: 8 char: 1

有没有办法在Mako中使用自定义控件关键字(如'资产')?

这是我的记录app.py:

import os
from flask import Flask, render_template
from flask.ext import assets
from flask import config
from flask.ext.mako import MakoTemplates
from flask.ext.mako import render_template

app = Flask(__name__)
app.config['ASSETS_DEBUG'] = True

mako = MakoTemplates(app)
env = assets.Environment(app)

# Tell flask-assets where to look for our coffeescript and sass files.
env.load_path = [
    os.path.join(os.path.dirname(__file__), 'js'),
    os.path.join(os.path.dirname(__file__), 'styles'),
]

coffee = assets.Bundle('**/*.coffee', filters='coffeescript', output="app.js")
env.register('coffee', coffee)

@app.route("/")
def index():
    return render_template('index.html', name='mako')


if __name__ == "__main__":
    app.run(debug=True)

2 个答案:

答案 0 :(得分:2)

好吧,我想出了一个解决方案。您可以通过将环境导入基础模板并对其进行操作来使其工作。

assets.py:

import os
from flask.ext import assets
from app import app

env = assets.Environment(app)

# Tell flask-assets where to look for our coffeescript and sass files.
env.load_path = [
    os.path.join(os.path.dirname(__file__), 'js'),
    os.path.join(os.path.dirname(__file__), 'styles'),
]

coffee = assets.Bundle('**/*.coffee', filters='coffeescript', output="app.js")
env.register('coffee', coffee)

模板:

<%!
  from assets import env
%>

<!doctype html>

<html>
    <head>
        <title>Hello Flask</title>
    <head>
    <body>
        <h1>Hello Flask</h1>

        % for url in env['coffee'].urls():
            <script src="${url}"></script>
        % endfor

    </body>
</html>

可能有办法通过使用MAKO_IMPORTS配置参数来避免导入,但我还没有使用它。

答案 1 :(得分:1)

Flask-Assets只是registers the webassets Jinja extension with Flask's Jinja environment。 WebAssets只发布(在撰写本文时)with an extension for Jinja2,所以如果你想要Mako的资产标签,你将to write one yourself(虽然有人有already written something similar for Pyramid,所以你可以take inspiration from that)。