Use pydantic.v1 fallback for v1 subpackage

django_pydantic_field/v1/__init__.py

@@ -1,6 +1 @@
-from django_pydantic_field.compat.pydantic import PYDANTIC_V1
-
-if not PYDANTIC_V1:
-    raise ImportError("django_pydantic_field.v1 package is only compatible with Pydantic v1")
-
 from .fields import *

django_pydantic_field/v1/base.py

@@ -1,9 +1,15 @@
 import typing as t
 
-import pydantic
+try:
+    from pydantic import v1 as pydantic
+    from pydantic.v1.json import pydantic_encoder
+    from pydantic.v1.typing import display_as_type
+except ImportError:
+    import pydantic
+    from pydantic.json import pydantic_encoder
+    from pydantic.typing import display_as_type
+
 from django.core.serializers.json import DjangoJSONEncoder
-from pydantic.json import pydantic_encoder
-from pydantic.typing import display_as_type
 
 from .utils import get_local_namespace, inherit_configs
 

django_pydantic_field/v1/fields.py

@@ -3,7 +3,11 @@
 import typing as t
 from functools import partial
 
-import pydantic
+try:
+    import pydantic.v1 as pydantic
+except ImportError:
+    import pydantic
+
 from django.core import exceptions as django_exceptions
 from django.db.models.expressions import BaseExpression, Value
 from django.db.models.fields import NOT_PROVIDED

django_pydantic_field/v1/forms.py

@@ -3,7 +3,11 @@
 import typing as t
 from functools import partial
 
-import pydantic
+try:
+    import pydantic.v1 as pydantic
+except ImportError:
+    import pydantic
+
 from django.core.exceptions import ValidationError
 from django.forms.fields import InvalidJSONInput, JSONField
 from django.utils.translation import gettext_lazy as _

django_pydantic_field/v1/rest_framework.py

@@ -1,7 +1,12 @@
 import typing as t
 
 from django.conf import settings
-from pydantic import BaseModel, ValidationError
+
+try:
+    from pydantic.v1 import BaseModel, ValidationError
+except ImportError:
+    from pydantic import BaseModel, ValidationError
+
 from rest_framework import exceptions, parsers, renderers, serializers
 from rest_framework.schemas import openapi
 from rest_framework.schemas.utils import is_list_view

django_pydantic_field/v1/utils.py

@@ -3,7 +3,10 @@
 import sys
 import typing as t
 
-from pydantic.config import BaseConfig, inherit_config
+try:
+    from pydantic.v1.config import BaseConfig, inherit_config
+except ImportError:
+    from pydantic.config import BaseConfig, inherit_config
 
 if t.TYPE_CHECKING:
     from pydantic import BaseModel

tests/v1/test_base.py

@@ -3,7 +3,11 @@
 from datetime import date
 from uuid import UUID
 
-import pydantic
+try:
+    import pydantic.v1 as pydantic
+except ImportError:
+    import pydantic
+
 import pytest
 
 from tests.conftest import InnerSchema, SampleDataclass