JSONField for django models
Project description
I had a serious need for a JSON field for django. There were a couple out there, but none packaged up nicely on bitbucket/github that were usable with pip install -e.
So I took the code from David Cramer’s blog, and packaged it up.
Usage
To use, just install the package, and then use the field:
from django.db import models
import jsonfield
class MyModel(models.Model):
the_json = jsonfield.JSONField()
Now, it will validate the JSON on entry, and store it as a string in the database. When you instantiate/fetch the object, it will be turned back into a python list/dict/string.
There are also a couple of other bits and bobs:
Extras
jsonify templatetag
This allows you to convert a python data structure into JSON within a template:
{% load jsonify %}
<script>
var foo = {{ bar|jsonify }};
</script>
History
0.8.5
Allow for ‘{}’ and ‘[]’, and make them not appear to be None.
0.8.4
Ensure the version number file is installed with the package.
0.8.3
Store the version number in one place only, now.
0.8.2
Oops. Packaging error prevented install from pypi. Added README.rst to manifest.
0.8.1
Converting to string does nothing, as serializing a model instance with a JSONField would have a string version of that field, instead of it embedded inline. (Back to pre 0.8 behaviour).
Added better querying support: (field__contains={'key':'value','key2':'value2'} works.)
Removed JSONTableWidget from package.
0.8
(Many thanks to IanLewis for these features)
Supports django 1.2
Supports callable and json serializable objects as default
Implemented get_db_prep_value()
Add tests and test runner.
Removed JSONTableWidget from README.
0.7.1
Don’t fail when trying to install before django is installed.
0.7
First time I tagged releases.
Todo
Convert date/time objects nicely to/from ISO strings (YYYY-mm-dd HH:MM:SS TZNAME). This is actually a bit tricky, as we don’t know if we are expecting a date/time object. We may parse objects as we go, but there could be some performance issues with this.
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