Created
October 10, 2011 09:58
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Flask-Assets KeyError
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raceback (most recent call last): | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1518, in __call__ | |
return self.wsgi_app(environ, start_response) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1506, in wsgi_app | |
response = self.make_response(self.handle_exception(e)) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1504, in wsgi_app | |
response = self.full_dispatch_request() | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1264, in full_dispatch_request | |
rv = self.handle_user_exception(e) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1262, in full_dispatch_request | |
rv = self.dispatch_request() | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/app.py", line 1248, in dispatch_request | |
return self.view_functions[rule.endpoint](**req.view_args) | |
File "/Users/olt/dev/foo/experiments/assets/test_bundles.py", line 14, in hello | |
return render_template('test_bundles.html') | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/templating.py", line 123, in render_template | |
context, ctx.app) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flask/templating.py", line 107, in _render | |
rv = template.render(context) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/jinja2/environment.py", line 894, in render | |
return self.environment.handle_exception(exc_info, True) | |
File "/Users/olt/dev/foo/experiments/assets/templates/test_bundles.html", line 1, in top-level template code | |
{% assets "js-all" %} | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/ext/jinja2.py", line 102, in _render_assets | |
'filters': filter}).urls(env=env) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/bundle.py", line 448, in urls | |
urls.extend(bundle._urls(env, extra_filters, *args, **kwargs)) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/bundle.py", line 421, in _urls | |
*args, **kwargs) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/bundle.py", line 329, in _build | |
elif not path.exists(env.abspath(self.output)): | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/env.py", line 289, in abspath | |
return path.abspath(path.join(self.directory, filename)) | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/webassets/env.py", line 260, in get_directory | |
return self.config['directory'] | |
File "/Users/olt/dev/venv/foo/lib/python2.7/site-packages/flaskext/assets.py", line 70, in __getitem__ | |
raise KeyError() | |
KeyError |
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from flask import Flask, render_template | |
from flaskext.assets import Environment, Bundle | |
app = Flask(__name__, static_path='/foo') | |
assets = Environment(app) | |
js = Bundle('jquery.js', 'base.js', 'widgets.js', | |
filters='jsmin', output='gen/packed.js') | |
assets.register('js-all', js) | |
@app.route("/") | |
def hello(): | |
return render_template('test_bundles.html') | |
if __name__ == "__main__": | |
app.debug = True | |
app.run() |
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{% assets "js-all" %} | |
<script type="text/javascript" src="{{ ASSET_URL }}"></script> | |
{% endassets %} |
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