from __future__ import annotations import pickle import subprocess import uuid from pathlib import Path from typing import Tuple, Union import pandas as pd from filelock import FileLock from rdagent.components.coder.factor_coder.config import FACTOR_IMPLEMENT_SETTINGS from rdagent.core.exception import ( CodeFormatException, NoOutputException, RuntimeErrorException, ) from rdagent.core.experiment import Experiment, FBImplementation, Task from rdagent.core.log import RDAgentLog from rdagent.oai.llm_utils import md5_hash class FactorTask(Task): # TODO: generalized the attributes into the Task # - factor_* -> * def __init__( self, factor_name, factor_description, factor_formulation, variables: dict = {}, resource: str = None, ) -> None: self.factor_name = factor_name self.factor_description = factor_description self.factor_formulation = factor_formulation self.variables = variables self.factor_resources = resource def get_factor_information(self): return f"""factor_name: {self.factor_name} factor_description: {self.factor_description} factor_formulation: {self.factor_formulation} variables: {str(self.variables)}""" @staticmethod def from_dict(dict): return FactorTask(**dict) def __repr__(self) -> str: return f"<{self.__class__.__name__}[{self.factor_name}]>" class FileBasedFactorImplementation(FBImplementation): """ This class is used to implement a factor by writing the code to a file. Input data and output factor value are also written to files. """ # TODO: (Xiao) think raising errors may get better information for processing FB_FROM_CACHE = "The factor value has been executed and stored in the instance variable." FB_EXEC_SUCCESS = "Execution succeeded without error." FB_CODE_NOT_SET = "code is not set." FB_EXECUTION_SUCCEEDED = "Execution succeeded without error." FB_OUTPUT_FILE_NOT_FOUND = "\nExpected output file not found." FB_OUTPUT_FILE_FOUND = "\nExpected output file found." def __init__( self, *args, executed_factor_value_dataframe=None, raise_exception=False, **kwargs, ) -> None: super().__init__(*args, **kwargs) self.executed_factor_value_dataframe = executed_factor_value_dataframe self.logger = RDAgentLog() self.raise_exception = raise_exception @staticmethod def link_data_to_workspace(data_path: Path, workspace_path: Path): data_path = Path(data_path) workspace_path = Path(workspace_path) for data_file_path in data_path.iterdir(): workspace_data_file_path = workspace_path / data_file_path.name if workspace_data_file_path.exists(): workspace_data_file_path.unlink() subprocess.run( ["ln", "-s", data_file_path, workspace_data_file_path], check=False, ) def execute_desc(self): raise NotImplementedError def prepare(self, *args, **kwargs): self.workspace_path = Path( FACTOR_IMPLEMENT_SETTINGS.file_based_execution_workspace, ) / str(uuid.uuid4()) self.workspace_path.mkdir(exist_ok=True, parents=True) def execute(self, store_result: bool = False) -> Tuple[str, pd.DataFrame]: """ execute the implementation and get the factor value by the following steps: 1. make the directory in workspace path 2. write the code to the file in the workspace path 3. link all the source data to the workspace path folder 4. execute the code 5. read the factor value from the output file in the workspace path folder returns the execution feedback as a string and the factor value as a pandas dataframe parameters: store_result: if True, store the factor value in the instance variable, this feature is to be used in the gt implementation to avoid multiple execution on the same gt implementation """ if self.code_dict is None or "factor.py" not in self.code_dict: if self.raise_exception: raise CodeFormatException(self.FB_CODE_NOT_SET) else: # TODO: to make the interface compatible with previous code. I kept the original behavior. raise ValueError(self.FB_CODE_NOT_SET) with FileLock(self.workspace_path / "execution.lock"): if FACTOR_IMPLEMENT_SETTINGS.enable_execution_cache: # NOTE: cache the result for the same code target_file_name = md5_hash(self.code_dict["factor.py"]) cache_file_path = ( Path(FACTOR_IMPLEMENT_SETTINGS.implementation_execution_cache_location) / f"{target_file_name}.pkl" ) Path(FACTOR_IMPLEMENT_SETTINGS.implementation_execution_cache_location).mkdir( exist_ok=True, parents=True ) if cache_file_path.exists() and not self.raise_exception: cached_res = pickle.load(open(cache_file_path, "rb")) if store_result and cached_res[1] is not None: self.executed_factor_value_dataframe = cached_res[1] return cached_res if self.executed_factor_value_dataframe is not None: return self.FB_FROM_CACHE, self.executed_factor_value_dataframe source_data_path = Path( FACTOR_IMPLEMENT_SETTINGS.file_based_execution_data_folder, ) source_data_path.mkdir(exist_ok=True, parents=True) code_path = self.workspace_path / f"factor.py" self.link_data_to_workspace(source_data_path, self.workspace_path) execution_feedback = self.FB_EXECUTION_SUCCEEDED try: subprocess.check_output( f"python {code_path}", shell=True, cwd=self.workspace_path, stderr=subprocess.STDOUT, timeout=FACTOR_IMPLEMENT_SETTINGS.file_based_execution_timeout, ) except subprocess.CalledProcessError as e: import site execution_feedback = ( e.output.decode() .replace(str(code_path.parent.absolute()), r"/path/to") .replace(str(site.getsitepackages()[0]), r"/path/to/site-packages") ) if len(execution_feedback) > 2000: execution_feedback = ( execution_feedback[:1000] + "....hidden long error message...." + execution_feedback[-1000:] ) if self.raise_exception: raise RuntimeErrorException(execution_feedback) except subprocess.TimeoutExpired: execution_feedback += f"Execution timeout error and the timeout is set to {FACTOR_IMPLEMENT_SETTINGS.file_based_execution_timeout} seconds." if self.raise_exception: raise RuntimeErrorException(execution_feedback) workspace_output_file_path = self.workspace_path / "result.h5" if not workspace_output_file_path.exists(): execution_feedback += self.FB_OUTPUT_FILE_NOT_FOUND executed_factor_value_dataframe = None if self.raise_exception: raise NoOutputException(execution_feedback) else: try: executed_factor_value_dataframe = pd.read_hdf(workspace_output_file_path) execution_feedback += self.FB_OUTPUT_FILE_FOUND except Exception as e: execution_feedback += f"Error found when reading hdf file: {e}"[:1000] executed_factor_value_dataframe = None if store_result and executed_factor_value_dataframe is not None: self.executed_factor_value_dataframe = executed_factor_value_dataframe if FACTOR_IMPLEMENT_SETTINGS.enable_execution_cache: pickle.dump( (execution_feedback, executed_factor_value_dataframe), open(cache_file_path, "wb"), ) return execution_feedback, executed_factor_value_dataframe def __str__(self) -> str: # NOTE: # If the code cache works, the workspace will be None. return f"File Factor[{self.target_task.factor_name}]: {self.workspace_path}" def __repr__(self) -> str: return self.__str__() @staticmethod def from_folder(task: FactorTask, path: Union[str, Path], **kwargs): path = Path(path) code_dict = {} for file_path in path.iterdir(): if file_path.suffix == ".py": code_dict[file_path.name] = file_path.read_text() return FileBasedFactorImplementation(target_task=task, code_dict=code_dict, **kwargs) class FactorExperiment(Experiment[FactorTask, FileBasedFactorImplementation]): ...