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from operator import itemgetter
class ModelReprMixin:
"""
Adds a `__repr__` method to the model subclassing this
mixin which will display the model's class name along
with all parameters used to construct the object.
"""
def __repr__(self):
attributes = ' '.join(
f'{attribute}={value!r}'
for attribute, value in sorted(
self.__dict__.items(),
key=itemgetter(0)
)
if not attribute.startswith('_')
)
return f'<{self.__class__.__name__}({attributes})>'
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