def install_bower(self, package, save=True, save_dev=False):
        """Installs a bower package.

        :param save: if `True`, pins the package to the Hydrogen requirements
            YAML file.
        :param save_dev: if `True`, pins the package as a development
            dependency to the Hydrogen requirements YAML file.
        :param return: a list of tuples, containing all installed package names
            and versions, including any dependencies.
        """
        requirement = Requirement.coerce(package)
        url = Bower.get_package_url(requirement.package)

        installed = []
        for name, _ in self.get_bower_package(url):
            installed.append(Requirement(name, requirement.version))

        for requirement in installed:
            if save:
                self.requirements["bower"].add(requirement, replace=True)
            if save_dev:
                self.requirements["bower-dev"].add(requirement, replace=True)
            success("installed {}".format(str(requirement)))
        if save or save_dev:
            self.requirements.save()
        return installed
def ldlq(bch):
    """creates the surface plots of a BCH reader object
    with a ld-lq identification"""
    beta = bch.ldq['beta']
    i1 = bch.ldq['i1']
    torque = bch.ldq['torque']
    ld = np.array(bch.ldq['ld'])
    lq = np.array(bch.ldq['lq'])
    psid = bch.ldq['psid']
    psiq = bch.ldq['psiq']

    rows = 3
    fig = plt.figure(figsize=(10, 4*rows))
    fig.suptitle('Ld-Lq Identification {}'.format(bch.filename), fontsize=16)
    fig.add_subplot(rows, 2, 1, projection='3d')
    i1beta_torque(i1, beta, torque)

    fig.add_subplot(rows, 2, 2, projection='3d')
    i1beta_psid(i1, beta, psid)

    fig.add_subplot(rows, 2, 3, projection='3d')
    i1beta_psiq(i1, beta, psiq)

    fig.add_subplot(rows, 2, 4, projection='3d')
    try:
        i1beta_psim(i1, beta, bch.ldq['psim'])
    except:
        i1beta_up(i1, beta, bch.ldq['up'])

    fig.add_subplot(rows, 2, 5, projection='3d')
    i1beta_ld(i1, beta, ld)

    fig.add_subplot(rows, 2, 6, projection='3d')
    i1beta_lq(i1, beta, lq)