Add pydantic 2 compatybility (#26)

* pydantic2 compatybility

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* add type ignore

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-latest]
-        python-version: [3.8, 3.9, '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v3

pyproject.toml

@@ -35,7 +35,7 @@ test = [
   "pytest > 7.0.0",
   "pydantic",
   "numpy",
-  "napari; python_version < '3.11'",
+  "napari",
 ]
 cbor = [
     "cbor2"

src/local_migrator/_serialize_hooks.py

@@ -14,6 +14,14 @@ class BaseModel:  # type: ignore  [no-redef]
         pass
 
 
+try:
+    from pydantic.v1 import BaseModel as BaseModelV1
+except ImportError:
+
+    class BaseModelV1:  # type: ignore  [no-redef]
+        pass
+
+
 try:
     from numpy import floating, integer, ndarray
 except ImportError:  # pragma: no cover
@@ -80,7 +88,7 @@ def object_encoder(obj: typing.Any):  # noqa: PLR0911
     if isinstance(obj, ndarray):
         return obj.tolist()
 
-    if isinstance(obj, BaseModel):
+    if isinstance(obj, (BaseModel, BaseModelV1)):
         try:
             dkt = dict(obj)
         except (ValueError, TypeError):