viv/examples/black

58 lines
2.5 KiB
Python
Executable file

#!/usr/bin/env python3
# AUTOGENERATED by viv (v23.8b2-6-gdafa099-dev)
# see `python3 <(curl -fsSL viv.dayl.in/viv.py) --help`
def _viv_use(*pkgs, track_exe=False, name=""):
import hashlib, json, os, site, shutil, sys, venv # noqa
from pathlib import Path # noqa
from datetime import datetime # noqa
from subprocess import run # noqa
if not {*map(type, pkgs)} == {str}:
raise ValueError(f"spec: {pkgs} is invalid")
meta = dict.fromkeys(("created", "accessed"), (t := str(datetime.today())))
runner = str(Path(__file__).absolute().resolve())
envvar = lambda x: os.getenv(f"VIV_{x}") # noqa
F, V, no_st = map(envvar, ("FORCE", "VERBOSE", "NO_SETUPTOOLS"))
base = Path(xdg) if (xdg := os.getenv("XDG_CACHE_HOME")) else Path.home() / ".cache"
(cache := (base) / "viv/venvs").mkdir(parents=True, exist_ok=True)
exe = str(Path(sys.executable).resolve()) if track_exe else "N/A"
_id = hashlib.sha256((str(spec := [*pkgs]) + exe).encode()).hexdigest()
if (env := cache / (name if name else _id[:8])) not in cache.glob("*/") or F:
sys.stderr.write(f"generating new vivenv -> {env.name}\n")
venv.create(env, prompt=f"viv-{name}", symlinks=True, clear=True)
kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if V else (-1, 2))))
cmd = ["pip", "--python", str(env / "bin" / "python"), "install", *spec]
if (not no_st) and (not [x for x in spec if x.startswith("setuptools")]):
cmd.append("setuptools")
p = run(cmd, **kw)
if (rc := p.returncode) != 0:
if env.is_dir():
shutil.rmtree(env)
sys.stderr.write(f"pip had non zero exit ({rc})\n{p.stdout.decode()}\n")
sys.exit(rc)
meta.update(dict(id=_id, spec=spec, exe=exe, name=name, files=[runner]))
else:
meta = json.loads((env / "vivmeta.json").read_text())
meta.update(dict(accessed=t, files=sorted({*meta["files"], runner})))
(env / "vivmeta.json").write_text(json.dumps(meta))
site.addsitedir(sitepkgs := str(*(env / "lib").glob("py*/si*")))
sys.path = [p for p in (sitepkgs, *sys.path) if p != site.USER_SITE]
return env
import subprocess
import sys
if __name__ == "__main__":
vivenv = _viv_use(
"black==23.7.0",
"click==8.1.7",
"mypy-extensions==1.0.0",
"packaging==23.1", # noqa
"pathspec==0.11.2",
"platformdirs==3.10.0",
) # noqa
sys.exit(subprocess.run([vivenv / "bin" / "black", *sys.argv[1:]]).returncode)