from typing import List
from fastapi import FastAPI
+from fastapi._compat import PYDANTIC_V2
from pydantic import BaseModel
app = FastAPI()
name: str
-RecursiveItem.update_forward_refs()
-
-
class RecursiveSubitemInSubmodel(BaseModel):
sub_items2: List["RecursiveItemViaSubmodel"] = []
name: str
name: str
-RecursiveSubitemInSubmodel.update_forward_refs()
+if PYDANTIC_V2:
+ RecursiveItem.model_rebuild()
+ RecursiveSubitemInSubmodel.model_rebuild()
+ RecursiveItemViaSubmodel.model_rebuild()
+else:
+ RecursiveItem.update_forward_refs()
+ RecursiveSubitemInSubmodel.update_forward_refs()
@app.get("/items/recursive", response_model=RecursiveItem)
+++ /dev/null
-from typing import List
-
-from fastapi import FastAPI
-from pydantic import BaseModel
-
-app = FastAPI()
-
-
-class RecursiveItem(BaseModel):
- sub_items: List["RecursiveItem"] = []
- name: str
-
-
-RecursiveItem.model_rebuild()
-
-
-class RecursiveSubitemInSubmodel(BaseModel):
- sub_items2: List["RecursiveItemViaSubmodel"] = []
- name: str
-
-
-class RecursiveItemViaSubmodel(BaseModel):
- sub_items1: List[RecursiveSubitemInSubmodel] = []
- name: str
-
-
-RecursiveSubitemInSubmodel.model_rebuild()
-RecursiveItemViaSubmodel.model_rebuild()
-
-
-@app.get("/items/recursive", response_model=RecursiveItem)
-def get_recursive():
- return {"name": "item", "sub_items": [{"name": "subitem", "sub_items": []}]}
-
-
-@app.get("/items/recursive-submodel", response_model=RecursiveItemViaSubmodel)
-def get_recursive_submodel():
- return {
- "name": "item",
- "sub_items1": [
- {
- "name": "subitem",
- "sub_items2": [
- {
- "name": "subsubitem",
- "sub_items1": [{"name": "subsubsubitem", "sub_items2": []}],
- }
- ],
- }
- ],
- }
from fastapi.testclient import TestClient
-from ..utils import needs_pydanticv1
+from .app import app
-@needs_pydanticv1
def test_recursive():
- from .app_pv1 import app
-
client = TestClient(app)
response = client.get("/items/recursive")
assert response.status_code == 200, response.text
+++ /dev/null
-from fastapi.testclient import TestClient
-
-from ..utils import needs_pydanticv2
-
-
-@needs_pydanticv2
-def test_recursive():
- from .app_pv2 import app
-
- client = TestClient(app)
- response = client.get("/items/recursive")
- assert response.status_code == 200, response.text
- assert response.json() == {
- "sub_items": [{"name": "subitem", "sub_items": []}],
- "name": "item",
- }
-
- response = client.get("/items/recursive-submodel")
- assert response.status_code == 200, response.text
- assert response.json() == {
- "name": "item",
- "sub_items1": [
- {
- "name": "subitem",
- "sub_items2": [
- {
- "name": "subsubitem",
- "sub_items1": [{"name": "subsubsubitem", "sub_items2": []}],
- }
- ],
- }
- ],
- }