Hi,
I have defined a custom field instead of BooleanField in my project.
Custom field is defined in model with no default value , example:
class MyModel(models.Model):
is_folder = HibernateBooleanField()
where HibernateBooleanField is the custom calss for overriding "to_python",
"from_db_value" methods.
When making a POST request, the object is getting saved by invoking the
proper methods from Custom field implementation.
But when getting the serialized object , "is_folder" value is returned as
"None" .
Though I understand that default value for BooleanField is "None", does
that mean with DRF 3.6 we have to mandatorily define default values for
Boolean Field, if i want to use "False" and "True" ?
Also , why isn't any method invoked from Custom field implementation?
This is custom field implementation:
from django.db import models
# #
# This is for dealing with BIT (boolean) type of Hibernate
# #
class HibernateBooleanField(models.BooleanField):
def from_db_value(self, value, expression, connection, context):
return self.to_python(value)
def get_internal_type(self):
return "HibernateBooleanField"
def db_type(self, connection):
return 'bit(1)'
def to_python(self, value):
if value in (True, False):
return value
if value in ('t', 'True', 'true', '1', '\x01'): return True
if value in ('f', 'False', 'false', '0', '\x00', None): return False
def get_db_prep_value(self, value, connection, prepared=False):
return 0x01 if value else 0x00
def get_db_prep_save(self, value, connection):
return 0x01 if value else 0x00
Regards,
Priyanka
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