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docs: remove outdated standalone example

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Daylin Morgan 2023-07-31 15:20:22 -05:00
parent ad49a6e105
commit 5e2a62d527
Signed by: daylin
GPG key ID: C1E52E7DD81DF79F
1 changed files with 0 additions and 38 deletions
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38
examples/standalone.py
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@ -1,38 +0,0 @@
#!/usr/bin/env python3
"""
Example using the output of `viv freeze pyfiglet --standalone`.
With this function it's not necessary for
`viv` to exist anywhere on the system.
"""
# <<<<< auto-generated by daylinmorgan/viv (v22.12a3-35-g0d0c66d-dev)
# fmt: off
def _viv_use(*pkgs: str, track_exe: bool = False, name: str = "") -> None: # noqa
i,s,m,e,spec=__import__,str,map,lambda x: True if x else False,[*pkgs] # noqa
if not {*m(type,pkgs)}=={s}: raise ValueError(f"spec: {pkgs} is invalid") # noqa
ge,sys,P,ew=i("os").getenv,i("sys"),i("pathlib").Path,i("sys").stderr.write # noqa
(cache:=(P(ge("XDG_CACHE_HOME",P.home()/".cache"))/"viv"/"venvs")).mkdir(parents=True,exist_ok=True) # noqa
((sha256:=i("hashlib").sha256()).update((s(spec)+ # noqa
(((exe:=("N/A",s(P(i("sys").executable).resolve()))[e(track_exe)])))).encode())) # noqa
if (env:=cache/(name if name else (_id:=sha256.hexdigest()))) not in cache.glob("*/") or ge("VIV_FORCE"): # noqa
v=e(ge("VIV_VERBOSE"));ew(f"generating new vivenv -> {env.name}\n") # noqa
i("venv").EnvBuilder(with_pip=True,clear=True).create(env) # noqa
with (env/"pip.conf").open("w") as f:f.write("[global]\ndisable-pip-version-check=true") # noqa
if (p:=i("subprocess").run([env/"bin"/"pip","install","--force-reinstall",*spec],text=True, # noqa
stdout=(-1,None)[v],stderr=(-2,None)[v])).returncode!=0: # noqa
if env.is_dir():i("shutil").rmtree(env) # noqa
ew(f"pip had non zero exit ({p.returncode})\n{p.stdout}\n");sys.exit(p.returncode) # noqa
with (env/"viv-info.json").open("w") as f: # noqa
i("json").dump({"created":s(i("datetime").datetime.today()),"id":_id,"spec":spec,"exe":exe},f) # noqa
sys.path = [p for p in (*sys.path,s(*(env/"lib").glob("py*/si*"))) if p!=i("site").USER_SITE] # noqa
_viv_use("pyfiglet==0.8.post1") # noqa
# fmt: on
# >>>>> code golfed with <3
from pyfiglet import Figlet
if __name__ == "__main__":
f = Figlet(font="slant")
figtxt = f.renderText("viv").splitlines()
figtxt[-2] += " isn't venv!"
print("\n".join(figtxt))