nix-update/nix_update/utils.py
2023-08-25 07:00:08 +00:00

40 lines
1019 B
Python

import os
import subprocess
import sys
from collections.abc import Callable
from pathlib import Path
from typing import IO, Any
HAS_TTY = sys.stdout.isatty()
ROOT = Path(os.path.dirname(os.path.realpath(__file__)))
def color_text(code: int, file: IO[Any] = sys.stdout) -> Callable[[str], None]:
def wrapper(text: str) -> None:
if HAS_TTY:
print(f"\x1b[{code}m{text}\x1b[0m", file=file)
else:
print(text, file=file)
return wrapper
warn = color_text(31, file=sys.stderr)
info = color_text(32)
def run(
command: list[str],
cwd: Path | str | None = None,
stdout: None | int | IO[Any] = subprocess.PIPE,
stderr: None | int | IO[Any] = None,
check: bool = True,
extra_env: dict[str, str] = {},
) -> "subprocess.CompletedProcess[str]":
info("$ " + " ".join(command))
env = os.environ.copy()
env.update(extra_env)
return subprocess.run(
command, cwd=cwd, check=check, text=True, stdout=stdout, stderr=stderr, env=env
)