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https://github.com/ets-labs/python-dependency-injector.git
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42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
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"""Catalog example."""
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from collections import namedtuple
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from objects.catalog import AbstractCatalog
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from objects.providers import Factory
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from objects.injections import KwArg
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# Creating some example classes:
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Object1 = namedtuple('Object1', ['arg1', 'arg2'])
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Object2 = namedtuple('Object2', ['object1'])
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class Catalog(AbstractCatalog):
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"""Providers catalog."""
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object1_factory = Factory(Object1,
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KwArg('arg1', 1),
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KwArg('arg2', 2))
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""":type: (objects.Provider) -> Object1"""
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object2_factory = Factory(Object2,
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KwArg('object1', object1_factory))
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""":type: (objects.Provider) -> Object2"""
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# Creating some objects:
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object2_1 = Catalog.object2_factory()
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object2_2 = Catalog.object2_factory()
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# Making some asserts:
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assert object2_1 is not object2_2
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assert isinstance(object2_1, Object2)
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assert object2_1.object1.arg1 == 1
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assert object2_1.object1.arg2 == 2
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assert isinstance(object2_2, Object2)
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assert object2_2.object1.arg1 == 1
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assert object2_2.object1.arg2 == 2
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