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"""
Indirection layer for PostgreSQL-specific fields, so the tests don't fail when
run with a backend other than PostgreSQL.
"""
import enum
from django.db import models
try:
from django.contrib.postgres.fields import (
ArrayField,
BigIntegerRangeField,
DateRangeField,
DateTimeRangeField,
DecimalRangeField,
HStoreField,
IntegerRangeField,
)
from django.contrib.postgres.search import SearchVector, SearchVectorField
except ImportError:
class DummyArrayField(models.Field):
def __init__(self, base_field, size=None, **kwargs):
super().__init__(**kwargs)
def deconstruct(self):
name, path, args, kwargs = super().deconstruct()
kwargs.update(
{
"base_field": "",
"size": 1,
}
)
return name, path, args, kwargs
class DummyContinuousRangeField(models.Field):
def __init__(self, *args, default_bounds="[)", **kwargs):
super().__init__(**kwargs)
def deconstruct(self):
name, path, args, kwargs = super().deconstruct()
kwargs["default_bounds"] = "[)"
return name, path, args, kwargs
ArrayField = DummyArrayField
BigIntegerRangeField = models.Field
DateRangeField = models.Field
DateTimeRangeField = DummyContinuousRangeField
DecimalRangeField = DummyContinuousRangeField
HStoreField = models.Field
IntegerRangeField = models.Field
SearchVector = models.Expression
SearchVectorField = models.Field
class EnumField(models.CharField):
def get_prep_value(self, value):
return value.value if isinstance(value, enum.Enum) else value
|
