def install(h, pip, groups, save, save_dev, packages):
    """Install a pip or bower package."""
    if groups:
        groups = [text_type.strip(group) for group in groups.split(",")]
    else:
        groups = h.requirements.keys()

    if not packages:
        for group in groups:
            if group not in h.requirements:
                warning("{} not in requirements".format(group))
                continue
            install = (h.install_bower if group.startswith("bower")
                       else h.install_pip)
            for requirement in h.requirements[group]:
                install(str(requirement), save=False, save_dev=False)
    if pip:
        for package in packages:
            h.install_pip(package, save=save, save_dev=save_dev)
    else:
        for package in packages:
            h.install_bower(package, save=save, save_dev=save_dev)
def get_initial_verification(cls, user, earliest_allowed_date=None):
        """Get initial verification for a user with the 'photo_id_key'.

        Arguments:
            user(User): user object
            earliest_allowed_date(datetime): override expiration date for initial verification

        Return:
            SoftwareSecurePhotoVerification (object) or None
        """
        init_verification = cls.objects.filter(
            user=user,
            status__in=["submitted", "approved"],
            created_at__gte=(
                earliest_allowed_date or earliest_allowed_verification_date()
            )
        ).exclude(photo_id_key='')

        return init_verification.latest('created_at') if init_verification.exists() else None