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_init_errors(self):
        class Phone(Structure):
            _fields_ = [("areacode", c_char*6),
                        ("number", c_char*12)]

        class Person(Structure):
            _fields_ = [("name", c_char * 12),
                        ("phone", Phone),
                        ("age", c_int)]

        cls, msg = self.get_except(Person, b"Someone", (1, 2))
        self.assertEqual(cls, RuntimeError)
        self.assertEqual(msg,
                             "(Phone) <class 'TypeError'>: "
                             "expected string, int found")

        cls, msg = self.get_except(Person, b"Someone", (b"a", b"b", b"c"))
        self.assertEqual(cls, RuntimeError)
        if issubclass(Exception, object):
            self.assertEqual(msg,
                                 "(Phone) <class 'TypeError'>: too many initializers")
        else:
            self.assertEqual(msg, "(Phone) TypeError: too many initializers")