Comments (3)
here music_genre is manytomanyfield on user
class UserSchema(Schema):
id: int
name: str
class UserOut(Schema):
id: int
username: str
about: str
music_genre: UserSchema
result = self.response_model(response=result).dict()["response"]
File "pydantic/main.py", line 346, in pydantic.main.BaseModel.init
pydantic.error_wrappers.ValidationError: 2 validation errors for Response
response -> music_genre -> id
field required (type=value_error.missing)
response -> music_genre -> name
none is not an allowed value (type=type_error.none.not_allowed)
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not sure if I understand this correctly - but here is my guess:
you have the following models structure:
class MusicGenre(models.Model):
name = models.CharField(...)
class User(models.Model):
username = models.CharField(...)
about = models.CharField(...)
music_genre = models.ManyToManyField(MusicGenre) # <--m2m !!!!!!
Now to return a user with list of genres:
from typing import List
class MusicGenreSchema(Schema):
id: int
name: str
class UserOut(Schema):
id: int
username: str
about: str
music_genre: List[MusicGenreSchema] # <-- typing.List !!!!!
@api.post("/foo", response=UserOut)
def some_operation(request, ...):
user = ... get from db ...
user.music_genre = list(user.music_genre.all()) # evaluate m2m queryset to list
return user
yeah, it's a bit uncomfortable at the moment, but there are plans to allow to attach m2m fields directly to schemas
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hey @bugiebhavya, let me know if it worked for you
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