sqlalchemy / attributes_rollback_test.py

from sqlalchemy.orm import attributes
class Foo(object):pass
attributes.register_attribute(Foo, 'x', uselist=False, useobject=False, mutable_scalars=True, copy_function=lambda x:x.copy())

f = Foo()
print f._foostate.get_history('x')

f.x = {'1':15}

print f._foostate.get_history('x')

print f._foostate.get_history('x')

f.x['2'] = 40
print f._foostate.get_history('x')


print f._foostate.get_history('x')

#import pdb

print f.x
f.x['2'] = 40
print f._foostate.get_history('x')
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