attrs 18.2.0
python 3.6.7
I'm not sure, is it bug or expected behavior, but steps to reproduce:
import attr
def validate_x(_, __, value):
if value not in ["a", "b", ]:
raise ValueError(f"Unknown type: {value}")
@attr.s(auto_attribs=True)
class A:
name: str = attr.ib(validator=validate_x)
map: dict = {
"x": 1,
"y": 2,
}
detector: str = attr.ib()
@detector.default
def init_detector(self):
return self.map[self.name]
a = A('c')Expected(by me):
Traceback (most recent call last):
File "/home/mirror/tst.py", line 23, in <module>
a = A('c')
File "<attrs generated init 090efc2f40404e910a622fb3a7382642c4cc7dba>", line 9, in __init__
File "/home/mirror/tst.py", line 6, in validate_x
raise ValueError(f"Unknown type: {value}")
ValueError: Unknown type: c
Real:
Traceback (most recent call last):
File "/home/mirror/tst.py", line 23, in <module>
a = A('c')
File "<attrs generated init b58e3f79027d88b47fd9d82dccbb4d2f365e3754>", line 7, in __init__
File "/home/mirror/tst.py", line 20, in init_detector
return self.map[self.name]
KeyError: 'c'
attrs
18.2.0python
3.6.7I'm not sure, is it bug or expected behavior, but steps to reproduce:
Expected(by me):
Real: