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from dataclasses import dataclass
from ipaddress import IPv4Address, IPv4Network
import pytest
from apischema import ValidationError, deserialize, validator
from apischema.objects import get_alias
@dataclass
class SubnetIps:
subnet: IPv4Network
ips: list[IPv4Address]
@validator
def check_ips_in_subnet(self):
for index, ip in enumerate(self.ips):
if ip not in self.subnet:
# yield <error path>, <error message>
yield (get_alias(self).ips, index), "ip not in subnet"
with pytest.raises(ValidationError) as err:
deserialize(
SubnetIps,
{"subnet": "126.42.18.0/24", "ips": ["126.42.18.1", "126.42.19.0", "0.0.0.0"]},
)
assert err.value.errors == [
{"loc": ["ips", 1], "err": "ip not in subnet"},
{"loc": ["ips", 2], "err": "ip not in subnet"},
]
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