votes up 1

Mocking a loader which does not have (name!r).

Package:
flask
github stars 56479
Exception Class:
AttributeError

Raise code

    class LimitedLoader:
        def __init__(self, loader):
            self.loader = loader

        def __getattr__(self, name):
            if name in {"archive", "get_filename"}:
                raise AttributeError(f"Mocking a loader which does not have {name!r}.")
            return getattr(self.loader, name)

    old_get_loader = pkgutil.get_loader

    def get_loader(*args, **kwargs):
        return LimitedLoader(old_get_loader(*args, **kwargs))
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