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 test_validation_for_rejected_application_with_no_message(self):
        self.assertEqual(
            self.voiceover_application.status,
            suggestion_models.STATUS_IN_REVIEW)
        self.assertEqual(self.voiceover_application.rejection_message, None)
        self.voiceover_application.validate()

        self.voiceover_application.final_reviewer_id = 'reviewer_id'
        self.voiceover_application.status = suggestion_models.STATUS_REJECTED
        with self.assertRaisesRegex(
            utils.ValidationError,
            'Expected rejection_message to be a string for a '
            'rejected application'
        ):
            self.voiceover_application.validate()