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from pydantic import BaseModel, Field, PrivateAttr
# private attributes should be excluded from
# the synthesized `__init__` method:
class ModelWithPrivateAttr(BaseModel):
_private_field: str = PrivateAttr()
m = ModelWithPrivateAttr()
def new_list() -> list[int]:
return []
class Model(BaseModel):
# `default` and `default_factory` are mutually exclusive:
f1: int = Field(default=1, default_factory=int) # type: ignore[call-overload] # pyright: ignore[reportCallIssue]
# `default` and `default_factory` matches the annotation:
f2: int = Field(default='1') # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
f3: int = Field(default_factory=str) # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
f4: int = PrivateAttr(default='1') # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
f5: int = PrivateAttr(default_factory=str) # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
f6: list[str] = Field(default_factory=list)
f7: list[int] = Field(default_factory=new_list)
f8: list[str] = Field(default_factory=lambda: list())
f9: dict[str, str] = Field(default_factory=dict)
f10: int = Field(default_factory=lambda: 123)
# Note: mypy may require a different error code for `f12` (see https://github.com/python/mypy/issues/17986).
f11: list[str] = Field(default_factory=new_list) # type: ignore[arg-type] # pyright: ignore[reportAssignmentType]
f12: int = Field(default_factory=list) # type: ignore[arg-type, assignment, unused-ignore] # pyright: ignore[reportAssignmentType]
# Do not error on the ellipsis:
f13: int = Field(...)
# Do not error for invalid assignments when validate_default=True
f14: int = Field(default='1', validate_default=True)
f15: int = Field(default_factory=str, validate_default=True)
f16: int = Field(default='1', validate_default=False) # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
f17: int = Field(default_factory=str, validate_default=False) # type: ignore[assignment] # pyright: ignore[reportAssignmentType]
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