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support datetime in json serialization

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j 2011-02-25 00:55:07 +01:00
commit 9043418608
2 changed files with 23 additions and 10 deletions
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24
ox/django/fields.py
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@ -1,26 +1,32 @@
import time
import datetime
from django.db import models
from ox.utils import json
def to_json(python_object):
if isinstance(python_object, time.struct_time):
return {'__class__': 'time.asctime',
'__value__': time.asctime(python_object)}
if isinstance(python_object, bytes):
return {'__class__': 'bytes',
'__value__': list(python_object)}
if isinstance(python_object, datetime.datetime):
return {'__class__': 'datetime.datetime',
'__value__': python_object.strftime('%Y-%m-%dT%H:%M:%SZ')}
if isinstance(python_object, time.struct_time):
return {'__class__': 'time.asctime',
'__value__': time.asctime(python_object)}
raise TypeError(repr(python_object) + ' is not JSON serializable')
def from_json(json_object):
if '__class__' in json_object:
if json_object['__class__'] == 'time.asctime':
return time.strptime(json_object['__value__'])
def from_json(json_object):
if '__class__' in json_object:
if json_object['__class__'] == 'bytes':
return bytes(json_object['__value__'])
return bytes(json_object['__value__'])
if json_object['__class__'] == 'datetime.datetime':
return datetime.datetime.strptime(json_object['__value__'], '%Y-%m-%dT%H:%M:%SZ')
if json_object['__class__'] == 'time.asctime':
return time.strptime(json_object['__value__'])
return json_object
class DictField(models.TextField):
"""DictField is a textfield that contains JSON-serialized dictionaries."""