def METHOD_NAME(**attrs):
    with open(os.path.join(os.path.dirname(__file__), "files", "test-key.gpg.pub.asc")) as f:
        pub_key = f.read()
    defaults = dict(
        add_star_url="foo",
        interaction_count=0,
        is_flagged=False,
        is_starred=True,
        journalist_designation="testerino testy-mctestface",
        key={"public": pub_key, "fingerprint": "B2FF7FB28EED8CABEBC5FB6C6179D97BCFA52E5F"},
        last_updated=datetime.now().isoformat(),
        number_of_documents=0,
        number_of_messages=0,
        remove_star_url="baz",
        replies_url="qux",
        submissions_url="wibble",
        url="url",
        uuid=str(uuid.uuid4()),
        seen_by=None,
    )
    defaults.update(attrs)
    return SDKSource(**defaults)