gh_data = {
    "name": "Manuel",
    "login": "alejandromumo",
    "company": "CERN"
}

print(serialize_author(gh_data))
# {'person_or_org': {'type': 'personal', 'given_name': 'Manuel', 'family_name': 'Manuel'}, 'affiliations': [{'name': 'CERN'}]}

gh_data = {
    "name": None,
    "login": "alejandromumo",
    "company": None
}

print(serialize_author(gh_data))
# {'person_or_org': {'type': 'personal', 'given_name': 'alejandromumo', 'family_name': 'alejandromumo'}, 'affiliations': [{'name': ''}]}


gh_data = {
    "name": "Costa, Manuel",
    "login": "alejandromumo",
    "company": "CERN"
}

print(serialize_author(gh_data))
# {'person_or_org': {'type': 'personal', 'given_name': 'Manuel', 'family_name': 'Costa'}, 'affiliations': [{'name': 'CERN'}]}


gh_data = {
    "name": "Mr, Da Costa, Manuel Alejandro",
    "login": "alejandromumo",
    "company": "CERN"
}

print(serialize_author(gh_data))
# {'person_or_org': {'type': 'personal', 'given_name': 'Da Costa, Manuel Alejandro', 'family_name': 'Mr'}, 'affiliations': [{'name': 'CERN'}]}