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39 lines
985 B
Python
39 lines
985 B
Python
"""Catalog example."""
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import collections
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import dependency_injector as di
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# Creating some example classes:
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Object1 = collections.namedtuple('Object1', ['arg1', 'arg2'])
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Object2 = collections.namedtuple('Object2', ['object1'])
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class Catalog(di.AbstractCatalog):
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"""Providers catalog."""
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object1_factory = di.Factory(Object1,
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arg1=1,
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arg2=2)
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""":type: (di.Provider) -> Object1"""
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object2_factory = di.Factory(Object2,
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object1=object1_factory)
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""":type: (di.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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