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https://github.com/ets-labs/python-dependency-injector.git
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41 lines
929 B
Python
41 lines
929 B
Python
"""Pythonic way for Dependency Injection."""
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from dependency_injector import providers
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from dependency_injector import injections
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@providers.DelegatedCallable
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def get_user_info(user_id):
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"""Return user info."""
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raise NotImplementedError()
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@providers.Factory
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@injections.inject(get_user_info=get_user_info)
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class AuthComponent(object):
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"""Some authentication component."""
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def __init__(self, get_user_info):
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"""Initializer."""
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self.get_user_info = get_user_info
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def authenticate_user(self, token):
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"""Authenticate user by token."""
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user_info = self.get_user_info(user_id=token + '1')
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return user_info
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print AuthComponent
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print get_user_info
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@get_user_info.override
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@providers.DelegatedCallable
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def get_user_info(user_id):
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"""Return user info."""
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return {'user_id': user_id}
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print AuthComponent().authenticate_user(token='abc')
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# {'user_id': 'abc1'}
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