def install_pip(self, package, save=True, save_dev=False):
        """Installs a pip 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 **single** :class:`Requirement` object, representing
            the installed version of the given package.
        """
        requirement = Requirement.coerce(package)
        click.echo("pip install " + requirement.package)
        cmd = envoy.run("pip install {}".format(str(requirement)))
        if cmd.status_code == 0:
            installed_packages = get_installed_pypackages()
            package = installed_packages[requirement.package]
            requirement.version = "=={}".format(package.version)
            if save:
                self.requirements["all"].add(requirement)
            if save_dev:
                self.requirements["dev"].add(requirement)
            if save or save_dev:
                self.requirements.save()
            return requirement
        else:
            fatal(cmd.std_err)
def test_projects(self):
        # Get a normal user
        user = User.objects.get(username="testuser")
        self.assertFalse(user.is_superuser)

        # Create a new project
        p = Project.objects.create(owner=user, name="test")

        # Have the proper permissions been set?
        self.assertTrue(user.has_perm("view_project", p))
        self.assertTrue(user.has_perm("add_project", p))
        self.assertTrue(user.has_perm("change_project", p))
        self.assertTrue(user.has_perm("delete_project", p))

        # Get a superuser
        superUser = User.objects.get(username="testsuperuser")
        self.assertTrue(superUser.is_superuser)

        # He should also have permissions, although not explicitly set
        self.assertTrue(superUser.has_perm("delete_project", p))

        # Get another user
        anotherUser = User.objects.get(username="testuser2")
        self.assertFalse(anotherUser.is_superuser)

        # Should not have permission
        self.assertFalse(anotherUser.has_perm("delete_project", p))