- Author:
- bryanpieper
- Posted:
- July 11, 2010
- Language:
- Python
- Version:
- 1.2
- Score:
- 3 (after 3 ratings)
Django JSON view decorator. Dumps the object returned from the view function. Allows you to customize the JSON dumps() function using the available keyword arguments available from the simplejson module. By default, indents the output with 4 characters.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | from functools import wraps
from django.http import HttpResponse
from django.utils import simplejson as json
def render_to_json(**jsonargs):
"""
Renders a JSON response with a given returned instance. Assumes json.dumps() can
handle the result. The default output uses an indent of 4.
@render_to_json()
def a_view(request, arg1, argN):
...
return {'x': range(4)}
@render_to_json(indent=2)
def a_view2(request):
...
return [1, 2, 3]
"""
def outer(f):
@wraps(f)
def inner_json(request, *args, **kwargs):
result = f(request, *args, **kwargs)
r = HttpResponse(mimetype='application/json')
if result:
indent = jsonargs.pop('indent', 4)
r.write(json.dumps(result, indent=indent, **jsonargs))
else:
r.write("{}")
return r
return inner_json
return outer
|
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