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Remove old catalog bundles example
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"""Catalog bundles example."""
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import dependency_injector as di
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# Declaring example services catalog:
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class Services(di.AbstractCatalog):
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"""Example catalog of service providers."""
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users = di.Provider()
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auth = di.Provider()
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photos = di.Provider()
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# Declaring example base class for some web views:
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class BaseWebView(object):
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"""Example base class of web view."""
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def __init__(self, services):
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"""Initializer.
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:type services: Services
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:param services: Bundle of service providers
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"""
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self.services = services
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# Declaring several example web views:
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class AuthView(BaseWebView):
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"""Example auth web view."""
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class PhotosView(BaseWebView):
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"""Example photo processing web view."""
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# Creating example views with appropriate service provider bundles:
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auth_view = AuthView(Services.Bundle(Services.users,
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Services.auth))
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photos_view = PhotosView(Services.Bundle(Services.users,
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Services.photos))
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# Making some asserts:
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assert auth_view.services.users is Services.users
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assert auth_view.services.auth is Services.auth
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try:
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auth_view.services.photos
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except di.Error:
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# `photos` service provider is not in scope of `auth_view` services bundle,
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# so `di.Error` will be raised.
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pass
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assert photos_view.services.users is Services.users
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assert photos_view.services.photos is Services.photos
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try:
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photos_view.services.auth
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except di.Error as exception:
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# `auth` service provider is not in scope of `photo_processing_view`
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# services bundle, so `di.Error` will be raised.
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pass
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