Method run_cmd

tests/integration/defs/local_venv.py:102–133

Call on the command-line (can be used to run Python script files).

(self,
                args,
                caller=check_call,
                env=None,
                print_script=True,
                **kwargs)

        return self._run_internal(script, caller, print_script)

    def run_cmd(self,
                args,
                caller=check_call,
                env=None,
                print_script=True,
                **kwargs):
        """Call <python-exe> <args> on the command-line (can be used to run Python script files)."""
        if not os.path.exists(self.workspace):
            os.makedirs(self.workspace, exist_ok=True)

        call_args = [self._venv_bin] + args
        if env:
            new_env = copy.deepcopy(os.environ)
            new_env.update(env)
        else:
            new_env = os.environ

        if caller.__name__ == 'check_output':
            try:
                result = subprocess.run(call_args,
                                        env=new_env,
                                        check=True,
                                        capture_output=True,
                                        **kwargs)
                return result.stdout.decode('utf-8')
            except subprocess.CalledProcessError as e:
                raise RuntimeError(f"Failed to run `{shlex.join(e.cmd)}`:\n"
                                   f"Stdout: {e.stdout.decode()}\n"
                                   f"Stderr: {e.stderr.decode()}\n")
        else:
            print(f"Start subprocess with {caller}({call_args}, env={new_env})")
            return caller(call_args, env=new_env, **kwargs)

    def install_packages(self, packages):
        """Install Python packages by name."""