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28 lines
1.0 KiB
Python
Executable File
28 lines
1.0 KiB
Python
Executable File
from django.core.serializers import serialize
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from django.utils.simplejson import dumps, loads, JSONEncoder
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from django.db.models.query import QuerySet
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from django.utils.functional import curry
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class DjangoJSONEncoder(JSONEncoder):
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def default(self, obj):
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if isinstance(obj, QuerySet):
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# `default` must return a python serializable
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# structure, the easiest way is to load the JSON
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# string produced by `serialize` and return it
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return loads(serialize('json', obj, fields=('id', 'name')))
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return JSONEncoder.default(self,obj)
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# partial function, we can now use dumps(my_dict) instead
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# of dumps(my_dict, cls=DjangoJSONEncoder)
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dumps = curry(dumps, cls=DjangoJSONEncoder)
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def to_ajax(rows, filter_field, slug_field=None):
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ret = []
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for row in rows:
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ret.append(
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{'id': row.id,
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'text': getattr(row, filter_field),
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'slug': getattr(row, slug_field) if slug_field else ''
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}
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)
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return ret |