Add support for pydantic v2 via pydantic.v1 compat module (#16332)

While maintaining support with pydantic v1.

2 files changed, 16 insertions, 4 deletions

diff --git a/synapse/config/_util.py b/synapse/config/_util.py
index acccca413b..746838eee3 100644
--- a/synapse/config/_util.py
+++ b/synapse/config/_util.py
@@ -11,10 +11,16 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from typing import Any, Dict, Type, TypeVar
+from typing import TYPE_CHECKING, Any, Dict, Type, TypeVar
 
 import jsonschema
-from pydantic import BaseModel, ValidationError, parse_obj_as
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, ValidationError, parse_obj_as
+else:
+    from pydantic import BaseModel, ValidationError, parse_obj_as
 
 from synapse.config._base import ConfigError
 from synapse.types import JsonDict, StrSequence
diff --git a/synapse/config/workers.py b/synapse/config/workers.py
index 6567fb6bb0..f1766088fc 100644
--- a/synapse/config/workers.py
+++ b/synapse/config/workers.py
@@ -15,10 +15,16 @@
 
 import argparse
 import logging
-from typing import Any, Dict, List, Optional, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
 
 import attr
-from pydantic import BaseModel, Extra, StrictBool, StrictInt, StrictStr
+
+from synapse._pydantic_compat import HAS_PYDANTIC_V2
+
+if TYPE_CHECKING or HAS_PYDANTIC_V2:
+    from pydantic.v1 import BaseModel, Extra, StrictBool, StrictInt, StrictStr
+else:
+    from pydantic import BaseModel, Extra, StrictBool, StrictInt, StrictStr
 
 from synapse.config._base import (
     Config,