feat: support pydantic2.0 (#1427)

* feat: support pydantic2.0

* fix: test

* feat: finish pydantic2.0 support

* ci: fix style

* fix: pydantic warn

CHANGELOG.rst

@@ -13,11 +13,19 @@ Changelog
 Added
 ^^^^^
 - Allow ForeignKeyField(on_delete=NO_ACTION) (#1393)
+- Support `pydantic` 2.0. (#1433)
+
 Fixed
 ^^^^^
 - Fix foreign key constraint not generated on MSSQL Server. (#1400)
 - Fix testcase error with python3.11 (#1308)
 
+Breaking Changes
+^^^^^^^^^^^^^^^^
+- Drop support for `pydantic` 1.x.
+- Param `config_class` of `pydantic_model_creator` is renamed to `model_config`.
+- Attr `config_class` of `PydanticMeta` is renamed to `model_config`.
+
 0.19.3
 ------
 Added

examples/fastapi/main.py

@@ -1,11 +1,12 @@
 # pylint: disable=E0611,E0401
 from typing import List
 
-from fastapi import FastAPI, HTTPException
+from fastapi import FastAPI
 from models import User_Pydantic, UserIn_Pydantic, Users
 from pydantic import BaseModel
+from starlette.exceptions import HTTPException
 
-from tortoise.contrib.fastapi import HTTPNotFoundError, register_tortoise
+from tortoise.contrib.fastapi import register_tortoise
 
 app = FastAPI(title="Tortoise ORM FastAPI example")
 
@@ -19,28 +20,24 @@ async def get_users():
     return await User_Pydantic.from_queryset(Users.all())
 
 
-@app.post("/users", response_model=User_Pydantic)
+@app.post("/users", response_model=User_Pydantic)  # type: ignore
 async def create_user(user: UserIn_Pydantic):
     user_obj = await Users.create(**user.dict(exclude_unset=True))
     return await User_Pydantic.from_tortoise_orm(user_obj)
 
 
-@app.get(
-    "/user/{user_id}", response_model=User_Pydantic, responses={404: {"model": HTTPNotFoundError}}
-)
+@app.get("/user/{user_id}", response_model=User_Pydantic)  # type: ignore
 async def get_user(user_id: int):
     return await User_Pydantic.from_queryset_single(Users.get(id=user_id))
 
 
-@app.put(
-    "/user/{user_id}", response_model=User_Pydantic, responses={404: {"model": HTTPNotFoundError}}
-)
+@app.put("/user/{user_id}", response_model=User_Pydantic)  # type: ignore
 async def update_user(user_id: int, user: UserIn_Pydantic):
     await Users.filter(id=user_id).update(**user.dict(exclude_unset=True))
     return await User_Pydantic.from_queryset_single(Users.get(id=user_id))
 
 
-@app.delete("/user/{user_id}", response_model=Status, responses={404: {"model": HTTPNotFoundError}})
+@app.delete("/user/{user_id}", response_model=Status)  # type: ignore
 async def delete_user(user_id: int):
     deleted_count = await Users.filter(id=user_id).delete()
     if not deleted_count:

examples/pydantic/basic.py

@@ -87,16 +87,16 @@ async def run():
     await event3.participants.add(team1, team3)
 
     p = await Event_Pydantic.from_tortoise_orm(await Event.get(name="Test"))
-    print("One Event:", p.json(indent=4))
+    print("One Event:", p.model_dump_json(indent=4))
 
     p = await Tournament_Pydantic.from_tortoise_orm(await Tournament.get(name="New Tournament"))
-    print("One Tournament:", p.json(indent=4))
+    print("One Tournament:", p.model_dump_json(indent=4))
 
     p = await Team_Pydantic.from_tortoise_orm(await Team.get(name="Onesies"))
-    print("One Team:", p.json(indent=4))
+    print("One Team:", p.model_dump_json(indent=4))
 
     pl = await Event_Pydantic_List.from_queryset(Event.filter(address__event_id__isnull=True))
-    print("All Events without addresses:", pl.json(indent=4))
+    print("All Events without addresses:", pl.model_dump_json(indent=4))
 
 
 if __name__ == "__main__":

pyproject.toml

@@ -73,7 +73,7 @@ sanic = "*"
 # Sample integration - Starlette
 starlette = "*"
 # Pydantic support
-pydantic = "*"
+pydantic = "^2.0"
 # FastAPI support
 fastapi = "*"
 asgi_lifespan = "*"