def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def getUseageMessage(self):
        return ("- TECHORANGE -\n"
                "useage:\n"
                "index - download entry page of TECHORANGE \n"
                "tag - download not obtained tag page \n"
                "news [tag] - download not obtained news [of given tag] \n")