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A dependency injection framework for Python

Project description

import zuice

class BlogPostLister(zuice.Base):
    _fetcher = zuice.dependency(BlogPostFetcher)

    def all(self):
        return ", ".join(post.name for post in self._fetcher.fetch_all())

bindings = zuice.Bindings()
bindings.bind(BlogPostFetcher).to_instance(blog_post_fetcher)

injector = zuice.Injector(bindings)
assert injector.get(BlogPostFetcher) is blog_post_fetcher
injector.get(BlogPostLister) # constructs BlogPostLister using the bound instance of BlogPostFetcher

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