graphene-django/graphene_django/compat.py
2023-08-11 23:24:58 +08:00

45 lines
1.2 KiB
Python

import sys
from pathlib import PurePath
# For backwards compatibility, we import JSONField to have it available for import via
# this compat module (https://github.com/graphql-python/graphene-django/issues/1428).
# Django's JSONField is available in Django 3.2+ (the minimum version we support)
from django.db.models import JSONField
class MissingType:
def __init__(self, *args, **kwargs):
pass
try:
# Postgres fields are only available in Django with psycopg2 installed
# and we cannot have psycopg2 on PyPy
from django.contrib.postgres.fields import (
ArrayField,
HStoreField,
IntegerRangeField,
RangeField,
)
except ImportError:
IntegerRangeField, HStoreField, RangeField = (MissingType,) * 3
# For unit tests we fake ArrayField using JSONFields
if any(
PurePath(sys.argv[0]).match(p)
for p in [
"**/pytest",
"**/py.test",
"**/pytest/__main__.py",
]
):
class ArrayField(JSONField):
def __init__(self, *args, **kwargs):
if len(args) > 0:
self.base_field = args[0]
super().__init__(**kwargs)
else:
ArrayField = MissingType