BaseSetting Optional[conset(...)] not validated correctly #2320
Description
Checks
- I added a descriptive title to this issue
- I have searched (google, github) for similar issues and couldn't find anything
- I have read and followed the docs and still think this is a bug
Bug
Output of python -c "import pydantic.utils; print(pydantic.utils.version_info())":
pydantic version: 1.7.3
pydantic compiled: True
install path: /home/mihai/.virtualenvs/pydantic/lib/python3.9/site-packages/pydantic
python version: 3.9.1 (default, Dec 13 2020, 11:55:53) [GCC 10.2.0]
platform: Linux-5.10.12-3-ck-x86_64-with-glibc2.32
optional deps. installed: []
from typing import Optional
from pydantic import BaseModel, BaseSettings, IPvAnyNetwork, conset
class InfoModelSet(BaseModel):
network_segments: Optional[set[IPvAnyNetwork]]
class InfoModelConset(BaseModel):
network_segments: Optional[conset(IPvAnyNetwork, min_items=1)]
class InfoSettingsSet(BaseSettings):
network_segments: Optional[set[IPvAnyNetwork]]
class InfoSettingsConset(BaseSettings):
network_segments: Optional[conset(IPvAnyNetwork, min_items=1)]
print(f"Info model set: {InfoModelSet()}")
print(f"Info model conset: {InfoModelConset()}")
print(f"Info settings set: {InfoSettingsSet()}")
print()
print(f"Info settings conset: {InfoSettingsConset()}")Results in:
Info model set: network_segments=None
Info model conset: network_segments=None
Info settings set: network_segments=None
Traceback (most recent call last):
File "/home/mihai/bug.py", line 25, in <module>
print(f"Info settings conset: {InfoSettingsConset()}")
File "pydantic/env_settings.py", line 34, in pydantic.env_settings.BaseSettings.__init__
File "pydantic/main.py", line 362, in pydantic.main.BaseModel.__init__
pydantic.error_wrappers.ValidationError: 1 validation error for InfoSettingsConset
network_segments
value is not a valid set (type=type_error.set)
I would have expected the sample to pass without raising errors and network_segments of the InfoSettingsConset instance to be None.