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# testing/pickleable.py
# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: ignore-errors
"""Classes used in pickling tests, need to be at the module level for
unpickling.
"""
from __future__ import annotations
from .entities import ComparableEntity
from ..schema import Column
from ..types import String
class User(ComparableEntity):
pass
class Order(ComparableEntity):
pass
class Dingaling(ComparableEntity):
pass
class EmailUser(User):
pass
class Address(ComparableEntity):
pass
# TODO: these are kind of arbitrary....
class Child1(ComparableEntity):
pass
class Child2(ComparableEntity):
pass
class Parent(ComparableEntity):
pass
class Screen:
def __init__(self, obj, parent=None):
self.obj = obj
self.parent = parent
class Mixin:
email_address = Column(String)
class AddressWMixin(Mixin, ComparableEntity):
pass
class Foo:
def __init__(self, moredata, stuff="im stuff"):
self.data = "im data"
self.stuff = stuff
self.moredata = moredata
__hash__ = object.__hash__
def __eq__(self, other):
return (
other.data == self.data
and other.stuff == self.stuff
and other.moredata == self.moredata
)
class Bar:
def __init__(self, x, y):
self.x = x
self.y = y
__hash__ = object.__hash__
def __eq__(self, other):
return (
other.__class__ is self.__class__
and other.x == self.x
and other.y == self.y
)
def __str__(self):
return "Bar(%d, %d)" % (self.x, self.y)
class OldSchool:
def __init__(self, x, y):
self.x = x
self.y = y
def __eq__(self, other):
return (
other.__class__ is self.__class__
and other.x == self.x
and other.y == self.y
)
class OldSchoolWithoutCompare:
def __init__(self, x, y):
self.x = x
self.y = y
class BarWithoutCompare:
def __init__(self, x, y):
self.x = x
self.y = y
def __str__(self):
return "Bar(%d, %d)" % (self.x, self.y)
class NotComparable:
def __init__(self, data):
self.data = data
def __hash__(self):
return id(self)
def __eq__(self, other):
return NotImplemented
def __ne__(self, other):
return NotImplemented
class BrokenComparable:
def __init__(self, data):
self.data = data
def __hash__(self):
return id(self)
def __eq__(self, other):
raise NotImplementedError
def __ne__(self, other):
raise NotImplementedError