python-dependency-injector/examples/providers/callable_kwargs.py

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"""`di.Callable` providers with keyword arguments example."""
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import passlib.hash
import dependency_injector as di
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# Password hasher and verifier providers (hash function could be changed
# anytime (for example, to sha512) without any changes in client's code):
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password_hasher = di.Callable(passlib.hash.sha256_crypt.encrypt,
salt_size=16,
rounds=10000)
password_verifier = di.Callable(passlib.hash.sha256_crypt.verify)
# Making some asserts:
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hashed_password = password_hasher('super secret')
assert password_verifier('super secret', hashed_password)