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https://github.com/daylinmorgan/viv.git
synced 2024-12-21 10:20:43 -06:00
refactor: make standalone less LOC
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3 changed files with 51 additions and 71 deletions
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@ -129,12 +129,12 @@ python3 <(curl -fsSL viv.dayl.in/viv.py) run \
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-s https://gist.githubusercontent.com/cs01/fa721a17a326e551ede048c5088f9e0f/raw/6bdfbb6e9c1132b1c38fdd2f195d4a24c540c324/pipx-demo.py
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```
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## Bonus: use `viv` with just standalone snippet (37LOC)
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## Bonus: use `viv` with just standalone snippet (30LOC)
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`--standalone` will auto-generate a mini-function version of `viv`
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to accomplish the same basic task as using a local copy of `viv`.
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After generating this standalone shim you can freely use this script
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across Unix machines which have Python > 3.8.
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across Unix machines which have Python > 3.8 and pip.
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See [examples/black](https://github.com/daylinmorgan/viv/blob/dev/examples/black)
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for output of the below command.
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@ -1,47 +1,37 @@
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#!/usr/bin/env python3
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# AUTOGENERATED by viv (v2023.1001-dev)
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# AUTOGENERATED by viv (v2024.1005-dev)
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# see `python3 <(curl -fsSL viv.dayl.in/viv.py) --help`
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def _viv_use(*pkgs, track_exe=False, name=""):
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import hashlib, json, os, site, shutil, sys, venv # noqa
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from pathlib import Path # noqa
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from datetime import datetime # noqa
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from subprocess import run # noqa
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if not {*map(type, pkgs)} == {str}:
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raise ValueError(f"spec: {pkgs} is invalid")
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meta = dict.fromkeys(("created", "accessed"), (t := str(datetime.today())))
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runner = str(Path(__file__).absolute().resolve())
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envvar = lambda x: os.getenv(f"VIV_{x}") # noqa
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i, meta, add_meta = __import__, {}, lambda **kw: meta.update(**kw)
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P, ge, q, noop = i("pathlib").Path, i("os").getenv, i("sys").exit, lambda: None
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_if, p_str = lambda x, f: (noop, f)[x](), lambda x: f"{P(x).absolute().resolve()}"
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nopkgs = lambda p: not p.endswith(("dist-packages", "site-packages")) # noqa
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F, V, no_st = map(envvar, ("FORCE", "VERBOSE", "NO_SETUPTOOLS"))
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base = Path(xdg) if (xdg := os.getenv("XDG_CACHE_HOME")) else Path.home() / ".cache"
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_if({*map(type, spec := [*pkgs])} != {str}, lambda: q(f"spec: {pkgs} not string"))
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F, V, NS = map(lambda x: ge(f"VIV_{x}"), ("FORCE", "VERBOSE", "NO_SETUPTOOLS"))
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ST = not (NS and [x for x in spec if x.startswith("setuptools")])
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add_meta(created=(now := str(i("datetime").datetime.today())))
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base = P(xdg) if (xdg := ge("XDG_CACHE_HOME")) else P.home() / ".cache"
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(cache := (base) / "viv/venvs").mkdir(parents=True, exist_ok=True)
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exe = str(Path(sys.executable).resolve()) if track_exe else "N/A"
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_id = hashlib.sha256((str(spec := [*pkgs]) + exe).encode()).hexdigest()
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exe = p_str(i("sys").executable) if track_exe else "N/A"
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_id = i("hashlib").sha256((str(spec) + exe).encode()).hexdigest()
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if (env := cache / (name if name else _id[:8])) not in cache.glob("*/") or F:
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sys.stderr.write(f"generating new vivenv -> {env.name}\n")
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venv.create(env, prompt=f"viv-{name}", symlinks=True, clear=True)
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kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if V else (-1, 2))))
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i("sys").stderr.write(f"generating new vivenv -> {env.name}\n")
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i("venv").create(env, prompt=f"viv-{name}", symlinks=True, clear=True)
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run_kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if V else (-1, 2))))
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cmd = ["pip", "--python", str(env / "bin" / "python"), "install", *spec]
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if (not no_st) and (not [x for x in spec if x.startswith("setuptools")]):
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cmd.append("setuptools")
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p = run(cmd, **kw)
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if (rc := p.returncode) != 0:
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if env.is_dir():
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shutil.rmtree(env)
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sys.stderr.write(f"pip had non zero exit ({rc})\n{p.stdout.decode()}\n")
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sys.exit(rc)
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meta.update(dict(id=_id, spec=spec, exe=exe, name=name, files=[runner]))
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_if(ST, lambda: cmd.append("setuptools"))
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if (rc := (p := i("subprocess").run(cmd, **run_kw)).returncode) != 0:
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_if(env.is_dir(), lambda: i("shutil").rmtree(env))
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q(f"pip had non zero exit ({rc})\n{p.stdout.decode()}\n")
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add_meta(id=_id, spec=spec, exe=exe, name=name)
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else:
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meta = json.loads((env / "vivmeta.json").read_text())
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meta.update(dict(accessed=t, files=sorted({*meta["files"], runner})))
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(env / "vivmeta.json").write_text(json.dumps(meta))
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site.addsitedir(sitepkgs := str(*(env / "lib").glob("py*/si*")))
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meta = i("json").loads((env / "vivmeta.json").read_text())
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add_meta(accessed=now, files=sorted({*meta.get("files", []), p_str(__file__)}))
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(env / "vivmeta.json").write_text(i("json").dumps(meta))
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i("site").addsitedir(sitepkgs := str(*(env / "lib").glob("py*/si*")))
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sys.path = [sitepkgs, *filter(nopkgs, sys.path)]
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return env
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@ -50,11 +40,11 @@ import sys
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if __name__ == "__main__":
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vivenv = _viv_use(
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"black==23.7.0",
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"black==24.4.2",
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"click==8.1.7",
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"mypy-extensions==1.0.0",
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"packaging==23.1", # noqa
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"pathspec==0.11.2",
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"platformdirs==3.10.0",
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"packaging==24.1", # noqa
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"pathspec==0.12.1",
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"platformdirs==4.2.2",
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) # noqa
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sys.exit(subprocess.run([vivenv / "bin" / "black", *sys.argv[1:]]).returncode)
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@ -2008,44 +2008,34 @@ def err_quit(*msg: str, code: int = 1) -> NoReturn:
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class Template:
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_standalone_func = r"""def _viv_use(*pkgs, track_exe=False, name=""):
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import hashlib, json, os, site, shutil, sys, venv # noqa
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from pathlib import Path # noqa
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from datetime import datetime # noqa
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from subprocess import run # noqa
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if not {*map(type, pkgs)} == {str}:
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raise ValueError(f"spec: {pkgs} is invalid")
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meta = dict.fromkeys(("created", "accessed"), (t := str(datetime.today())))
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runner = str(Path(__file__).absolute().resolve())
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envvar = lambda x: os.getenv(f"VIV_{x}") # noqa
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i, meta, add_meta = __import__, {}, lambda **kw: meta.update(**kw)
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P, ge, q, noop = i("pathlib").Path, i("os").getenv, i("sys").exit, lambda: None
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_if, p_str = lambda x, f: (noop, f)[x](), lambda x: f"{P(x).absolute().resolve()}"
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nopkgs = lambda p: not p.endswith(("dist-packages", "site-packages")) # noqa
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F, V, no_st = map(envvar, ("FORCE", "VERBOSE", "NO_SETUPTOOLS"))
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base = Path(xdg) if (xdg := os.getenv("XDG_CACHE_HOME")) else Path.home() / ".cache"
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_if({*map(type, spec := [*pkgs])} != {str}, lambda: q(f"spec: {pkgs} not string"))
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F, V, NS = map(lambda x: ge(f"VIV_{x}"), ("FORCE", "VERBOSE", "NO_SETUPTOOLS"))
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ST = not (NS and [x for x in spec if x.startswith("setuptools")])
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add_meta(created=(now := str(i("datetime").datetime.today())))
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base = P(xdg) if (xdg := ge("XDG_CACHE_HOME")) else P.home() / ".cache"
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(cache := (base) / "viv/venvs").mkdir(parents=True, exist_ok=True)
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exe = str(Path(sys.executable).resolve()) if track_exe else "N/A"
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_id = hashlib.sha256((str(spec := [*pkgs]) + exe).encode()).hexdigest()
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exe = p_str(i("sys").executable) if track_exe else "N/A"
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_id = i("hashlib").sha256((str(spec) + exe).encode()).hexdigest()
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if (env := cache / (name if name else _id[:8])) not in cache.glob("*/") or F:
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sys.stderr.write(f"generating new vivenv -> {env.name}\n")
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venv.create(env, prompt=f"viv-{name}", symlinks=True, clear=True)
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kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if V else (-1, 2))))
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i("sys").stderr.write(f"generating new vivenv -> {env.name}\n")
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i("venv").create(env, prompt=f"viv-{name}", symlinks=True, clear=True)
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run_kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if V else (-1, 2))))
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cmd = ["pip", "--python", str(env / "bin" / "python"), "install", *spec]
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if (not no_st) and (not [x for x in spec if x.startswith("setuptools")]):
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cmd.append("setuptools")
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p = run(cmd, **kw)
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if (rc := p.returncode) != 0:
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if env.is_dir():
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shutil.rmtree(env)
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sys.stderr.write(f"pip had non zero exit ({rc})\n{p.stdout.decode()}\n")
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sys.exit(rc)
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meta.update(dict(id=_id, spec=spec, exe=exe, name=name, files=[runner]))
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_if(ST, lambda: cmd.append("setuptools"))
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if (rc := (p := i("subprocess").run(cmd, **run_kw)).returncode) != 0:
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_if(env.is_dir(), lambda: i("shutil").rmtree(env))
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q(f"pip had non zero exit ({rc})\n{p.stdout.decode()}\n")
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add_meta(id=_id, spec=spec, exe=exe, name=name)
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else:
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meta = json.loads((env / "vivmeta.json").read_text())
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meta.update(dict(accessed=t, files=sorted({*meta["files"], runner})))
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(env / "vivmeta.json").write_text(json.dumps(meta))
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site.addsitedir(sitepkgs := str(*(env / "lib").glob("py*/si*")))
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meta = i("json").loads((env / "vivmeta.json").read_text())
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add_meta(accessed=now, files=sorted({*meta.get("files", []), p_str(__file__)}))
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(env / "vivmeta.json").write_text(i("json").dumps(meta))
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i("site").addsitedir(sitepkgs := str(*(env / "lib").glob("py*/si*")))
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sys.path = [sitepkgs, *filter(nopkgs, sys.path)]
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return env
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"""
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