blob: 1c7cd9f303d48f3c01d5649891af0e2dce214732 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
from typing import Optional
from typing import Set
from sqlalchemy import Column
from sqlalchemy import ForeignKey
from sqlalchemy import Integer
from sqlalchemy import String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
Base = declarative_base()
class B(Base):
__tablename__ = "b"
id = Column(Integer, primary_key=True)
a_id: int = Column(ForeignKey("a.id"))
data = Column(String)
a: Optional["A"] = relationship("A", back_populates="bs")
class A(Base):
__tablename__ = "a"
id = Column(Integer, primary_key=True)
data = Column(String)
bs: Set[B] = relationship(B, uselist=True, back_populates="a")
# EXPECTED: Left hand assignment 'another_bs: "Set[B]"' not compatible with ORM mapped expression of type "Mapped[B]" # noqa
another_bs: Set[B] = relationship(B, viewonly=True)
# EXPECTED_MYPY: Argument "a" to "B" has incompatible type "str"; expected "Optional[A]" # noqa
b1 = B(a="not an a")
|
