python-dependency-injector/examples/catalogs/writing_catalogs.py

"""Catalog example."""

import dependency_injector as di


class Catalog(di.DeclarativeCatalog):
    """Providers catalog."""

    factory1 = di.Factory(object)
    """:type: di.Provider -> object"""

    factory2 = di.Factory(object)
    """:type: di.Provider -> object"""

# Creating some objects:
object1 = Catalog.factory1()
object2 = Catalog.factory2()

# Making some asserts:
assert object1 is not object2
assert isinstance(object1, object)
assert isinstance(object2, object)