def run(self, repo: str, branch: str, task: Task, git_repo: Repo, repo_path: Path) -> Result:
python_path = self.get_or_create_environment(repo, branch, git_repo, repo_path)<EOL>task_filename, task_json = self.serialized_task(task)<EOL>task_path = Path(self._arca.base_dir, "<STR_LIT>", task_filename)<EOL>task_path.parent.mkdir(parents=True, exist_ok=True)<EOL>task_path.write_text(task_json)<EOL>logger.info("<STR_LIT>", task_path)<EOL>out_output = "<STR_LIT>"<EOL>err_output = "<STR_LIT>"<EOL>cwd = str(repo_path / self.cwd)<EOL>logger.info("<STR_LIT>", cwd)<EOL>try:<EOL><INDENT>logger.debug("<STR_LIT>", python_path)<EOL>process = subprocess.Popen([python_path,<EOL>str(self.RUNNER),<EOL>str(task_path.resolve())],<EOL>stdout=subprocess.PIPE,<EOL>stderr=subprocess.PIPE,<EOL>cwd=cwd)<EOL>try:<EOL><INDENT>out_stream, err_stream = process.communicate(timeout=task.timeout)<EOL><DEDENT>except subprocess.TimeoutExpired:<EOL><INDENT>process.kill()<EOL>raise BuildTimeoutError(f"<STR_LIT>")<EOL><DEDENT>out_output = out_stream.decode("<STR_LIT:utf-8>")<EOL>err_output = err_stream.decode("<STR_LIT:utf-8>")<EOL>logger.debug("<STR_LIT>")<EOL>logger.debug(out_output)<EOL>return Result(out_output)<EOL><DEDENT>except BuildError:  <EOL><INDENT>raise<EOL><DEDENT>except Exception as e:<EOL><INDENT>logger.exception(e)<EOL>raise BuildError("<STR_LIT>", extra_info={<EOL>"<STR_LIT>": e,<EOL>"<STR_LIT>": out_output,<EOL>"<STR_LIT>": err_output,<EOL>})<EOL><DEDENT>
Gets a path to a Python executable by calling the abstract method
:meth:`get_image_for_repo <BaseRunInSubprocessBackend.get_image_for_repo>`
and runs the task using :class:`subprocess.Popen`

See :meth:`BaseBackend.run <arca.BaseBackend.run>` to see arguments description.