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add an necessary import for better understanding

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add `from sanic.response import redirect`
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yingshaoxo 2018-02-26 11:24:54 +08:00 committed by GitHub
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1 changed files with 3 additions and 2 deletions
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docs/sanic/routing.md
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@ -138,13 +138,14 @@ app.add_route(person_handler2, '/person/<name:[A-z]>', methods=['GET'])
Sanic provides a `url_for` method, to generate URLs based on the handler method name. This is useful if you want to avoid hardcoding url paths into your app; instead, you can just reference the handler name. For example: Sanic provides a `url_for` method, to generate URLs based on the handler method name. This is useful if you want to avoid hardcoding url paths into your app; instead, you can just reference the handler name. For example:
```python ```python
from sanic.response import redirect
@app.route('/') @app.route('/')
async def index(request): async def index(request):
# generate a URL for the endpoint `post_handler` # generate a URL for the endpoint `post_handler`
url = app.url_for('post_handler', post_id=5) url = app.url_for('post_handler', post_id=5)
# the URL is `/posts/5`, redirect to it # the URL is `/posts/5`, redirect to it
return redirect(url) return redirect(url)
@app.route('/posts/<post_id>') @app.route('/posts/<post_id>')
async def post_handler(request, post_id): async def post_handler(request, post_id):