def get_installed_pypackages():
    return {p.project_name.lower(): p for p in pkg_resources.working_set}
def execute_as(self, user):
        self.check_prereq(self.LOGGED_IN)
        self._exit_modes_beyond(self.LOGGED_IN)
        user.commandLine(self)
        user.login()
        self.modeList.append(user)
        return user