#29478: cached_property decorator doesn't work with mangled method names
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Reporter: Thomas Grainger | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 2.0
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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{{{
import itertools
from django.utils.functional import cached_property
count = itertools.count()
count2 = itertools.count()
count3 = itertools.count()
class Foo:
@cached_property
def __foo(self):
return next(count)
@cached_property
def foo2(self):
return next(count2)
@property
def foo3(self):
return next(count3)
def run(self):
print('foo', self.__foo)
print('foo', self.__foo)
print('foo', self.__foo)
print('foo', self.__foo)
print('foo2', self.foo2)
print('foo2', self.foo2)
print('foo2', self.foo2)
print('foo2', self.foo2)
print('foo2', self.foo2)
print('foo3', self.foo3)
print('foo3', self.foo3)
print('foo3', self.foo3)
print('foo3', self.foo3)
print('foo3', self.foo3)
Foo().run()
"""
python cached_property_test.py
foo 0
foo 1
foo 2
foo 3
foo2 0
foo2 0
foo2 0
foo2 0
foo2 0
foo3 0
foo3 1
foo3 2
foo3 3
foo3 4
"""
}}}
Odd it's not been reported before:
https://code.djangoproject.com/search?q=cached_property+mangled
--
Ticket URL: <https://code.djangoproject.com/ticket/29478>
Django <https://code.djangoproject.com/>
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