comparison mercurial/__init__.py @ 42207:7ed472e79096

py3: handle meta-path finders that only use pre-python3.4 API

42206:bed4c308fc56

            spec = None
            for finder in sys.meta_path:
                if finder == self:
                    continue

                spec = finder.find_spec(fullname, path, target=target)
                if spec:
                    break

            # This is a Mercurial-related module but we couldn't find it
            # using the previously-registered finders. This likely means

42207:7ed472e79096

            spec = None
            for finder in sys.meta_path:
                if finder == self:
                    continue

                # Originally the API was a `find_module` method, but it was
                # renamed to `find_spec` in python 3.4, with a new `target`
                # argument.
                find_spec_method = getattr(finder, 'find_spec', None)
                if find_spec_method:
                    spec = find_spec_method(fullname, path, target=target)
                else:
                    spec = finder.find_module(fullname)
                    if spec is not None:
                        spec = importlib.util.spec_from_loader(fullname, spec)
                if spec:
                    break

            # This is a Mercurial-related module but we couldn't find it
            # using the previously-registered finders. This likely means