/usr/lib/python3/dist-packages/social/apps/django_app/default/fields.py is in python3-social-auth 1:0.2.21+dfsg-1.
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The actual contents of the file can be viewed below.
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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | import json
import six
import functools
from django.core.exceptions import ValidationError
from django.db import models
try:
from django.utils.encoding import smart_unicode as smart_text
smart_text # placate pyflakes
except ImportError:
from django.utils.encoding import smart_text
try:
from django.db.models import SubfieldBase
field_class = functools.partial(six.with_metaclass, SubfieldBase)
except ImportError:
field_class = functools.partial(six.with_metaclass, type)
class JSONField(field_class(models.TextField)):
"""Simple JSON field that stores python structures as JSON strings
on database.
"""
def __init__(self, *args, **kwargs):
kwargs.setdefault('default', {})
super(JSONField, self).__init__(*args, **kwargs)
def from_db_value(self, value, expression, connection, context):
return self.to_python(value)
def to_python(self, value):
"""
Convert the input JSON value into python structures, raises
django.core.exceptions.ValidationError if the data can't be converted.
"""
if self.blank and not value:
return {}
value = value or '{}'
if isinstance(value, six.binary_type):
value = six.text_type(value, 'utf-8')
if isinstance(value, six.string_types):
try:
# with django 1.6 i have '"{}"' as default value here
if value[0] == value[-1] == '"':
value = value[1:-1]
return json.loads(value)
except Exception as err:
raise ValidationError(str(err))
else:
return value
def validate(self, value, model_instance):
"""Check value is a valid JSON string, raise ValidationError on
error."""
if isinstance(value, six.string_types):
super(JSONField, self).validate(value, model_instance)
try:
json.loads(value)
except Exception as err:
raise ValidationError(str(err))
def get_prep_value(self, value):
"""Convert value to JSON string before save"""
try:
return json.dumps(value)
except Exception as err:
raise ValidationError(str(err))
def value_to_string(self, obj):
"""Return value from object converted to string properly"""
return smart_text(self.get_prep_value(self._get_val_from_obj(obj)))
def value_from_object(self, obj):
"""Return value dumped to string."""
return self.get_prep_value(self._get_val_from_obj(obj))
try:
from south.modelsinspector import add_introspection_rules
add_introspection_rules(
[],
["^social\.apps\.django_app\.default\.fields\.JSONField"]
)
except:
pass
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