Files
codex/sdk/python/src/codex_sdk/exec.py
Alexander Embiricos 55edfc386a temp
2025-12-17 22:32:35 -08:00

197 lines
7.4 KiB
Python

from __future__ import annotations
import os
import subprocess
import sys
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, Generator, List, Optional
from .options import CancellationEvent
INTERNAL_ORIGINATOR_ENV = "CODEX_INTERNAL_ORIGINATOR_OVERRIDE"
PYTHON_SDK_ORIGINATOR = "codex_sdk_py"
class CancelledError(Exception):
"""Raised when a turn is cancelled before completion."""
@dataclass
class CodexExecArgs:
input: str
base_url: Optional[str] = None
api_key: Optional[str] = None
thread_id: Optional[str] = None
images: Optional[List[str]] = None
model: Optional[str] = None
sandbox_mode: Optional[str] = None
working_directory: Optional[str] = None
additional_directories: Optional[List[str]] = None
skip_git_repo_check: bool = False
output_schema_file: Optional[str] = None
model_reasoning_effort: Optional[str] = None
cancellation_event: Optional[CancellationEvent] = None
network_access_enabled: Optional[bool] = None
web_search_enabled: Optional[bool] = None
approval_policy: Optional[str] = None
class CodexExec:
def __init__(self, executable_path: Optional[str] = None, env: Optional[Dict[str, str]] = None) -> None:
self.executable_path = executable_path or find_codex_path()
self.env_override = env
def run(self, args: CodexExecArgs) -> Generator[str, None, None]:
cancel_event = args.cancellation_event
if cancel_event and cancel_event.is_set():
raise CancelledError("Turn cancelled before start")
command_args: list[str] = ["exec", "--experimental-json"]
if args.model:
command_args.extend(["--model", args.model])
if args.sandbox_mode:
command_args.extend(["--sandbox", args.sandbox_mode])
if args.working_directory:
command_args.extend(["--cd", args.working_directory])
if args.additional_directories:
for extra_dir in args.additional_directories:
command_args.extend(["--add-dir", extra_dir])
if args.skip_git_repo_check:
command_args.append("--skip-git-repo-check")
if args.output_schema_file:
command_args.extend(["--output-schema", args.output_schema_file])
if args.model_reasoning_effort:
command_args.extend(["--config", f'model_reasoning_effort="{args.model_reasoning_effort}"'])
if args.network_access_enabled is not None:
command_args.extend(
["--config", f"sandbox_workspace_write.network_access={str(args.network_access_enabled).lower()}"]
)
if args.web_search_enabled is not None:
command_args.extend(["--config", f"features.web_search_request={str(args.web_search_enabled).lower()}"])
if args.approval_policy:
command_args.extend(["--config", f'approval_policy="{args.approval_policy}"'])
if args.images:
for image in args.images:
command_args.extend(["--image", image])
if args.thread_id:
command_args.extend(["resume", args.thread_id])
env = self._build_env(args)
process: Optional[subprocess.Popen[str]] = None
try:
process = subprocess.Popen(
[self.executable_path, *command_args],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
bufsize=1,
env=env,
)
if not process.stdin or not process.stdout:
raise RuntimeError("Failed to open stdio for Codex process")
process.stdin.write(args.input)
process.stdin.close()
if cancel_event and cancel_event.is_set():
raise CancelledError("Turn cancelled before first event")
for raw_line in process.stdout:
if cancel_event and cancel_event.is_set():
raise CancelledError("Turn cancelled")
yield raw_line.rstrip("\r\n")
process.wait()
if cancel_event and cancel_event.is_set():
raise CancelledError("Turn cancelled after process exit")
if process.returncode:
stderr_output = process.stderr.read() if process.stderr else ""
raise RuntimeError(f"Codex Exec exited with code {process.returncode}: {stderr_output}")
except CancelledError:
if process:
terminate_process(process)
raise
except Exception:
if process:
terminate_process(process)
raise
finally:
if process:
if process.poll() is None:
terminate_process(process)
if process.stdout and not process.stdout.closed:
process.stdout.close()
if process.stderr and not process.stderr.closed:
process.stderr.close()
def _build_env(self, args: CodexExecArgs) -> Dict[str, str]:
env: Dict[str, str] = {}
if self.env_override is not None:
env.update(self.env_override)
else:
env.update({key: value for key, value in os.environ.items() if value is not None})
if INTERNAL_ORIGINATOR_ENV not in env:
env[INTERNAL_ORIGINATOR_ENV] = PYTHON_SDK_ORIGINATOR
if args.base_url:
env["OPENAI_BASE_URL"] = args.base_url
if args.api_key:
env["CODEX_API_KEY"] = args.api_key
return env
def terminate_process(process: subprocess.Popen[str]) -> None:
try:
if process.poll() is None:
process.terminate()
try:
process.wait(timeout=2)
except Exception:
if process.poll() is None:
process.kill()
except Exception:
try:
if process.poll() is None:
process.kill()
except Exception:
pass
def find_codex_path() -> str:
platform_name = sys.platform
machine = platform.machine().lower()
target_triple = None
if platform_name.startswith("linux") or platform_name == "android":
if machine in {"x86_64", "amd64"}:
target_triple = "x86_64-unknown-linux-musl"
elif machine in {"aarch64", "arm64"}:
target_triple = "aarch64-unknown-linux-musl"
elif platform_name == "darwin":
if machine in {"x86_64", "amd64"}:
target_triple = "x86_64-apple-darwin"
elif machine in {"arm64", "aarch64"}:
target_triple = "aarch64-apple-darwin"
elif platform_name == "win32":
if machine in {"x86_64", "amd64"}:
target_triple = "x86_64-pc-windows-msvc"
elif machine in {"arm64", "aarch64"}:
target_triple = "aarch64-pc-windows-msvc"
if target_triple is None:
raise RuntimeError(f"Unsupported platform: {platform_name} ({machine})")
package_root = Path(__file__).resolve().parent.parent
vendor_root = package_root / "vendor" / target_triple / "codex"
binary_name = "codex.exe" if platform_name == "win32" else "codex"
binary_path = vendor_root / binary_name
if not binary_path.exists():
raise RuntimeError(
f"Codex binary not found at {binary_path}. "
"Install Codex or provide codex_path_override when creating the client."
)
return str(binary_path)