def get_urls(session, name, data, find_changelogs_fn, **kwargs):
    """
    Gets URLs to changelogs.
    :param session: requests Session instance
    :param name: str, package name
    :param data: dict, meta data
    :param find_changelogs_fn: function, find_changelogs
    :return: tuple, (set(changelog URLs), set(repo URLs))
    """
    if 'versions' in data:
        candidates = set()
        for version, item in data['versions'].items():
            if 'homepage' in item and item['homepage'] is not None:
                if isinstance(item['homepage'], list):
                    candidates.add(*item['homepage'])
                else:
                    candidates.add(item['homepage'])
            if 'repository' in item and item['repository'] is not None:
                if 'url' in item['repository']:
                    repo = item['repository']['url']
                elif 'path' in item['repository']:
                    repo = item['repository']['path']
                else:
                    continue
                repo = repo.replace('git://', 'https://').replace('.git', '')
                candidates.add(repo)
        return find_changelogs_fn(session=session, name=name, candidates=
            candidates)
    return set(), set()
