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4 changed files with 79 additions and 126 deletions

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@ -31,10 +31,6 @@ docs/viv.py: src/viv/viv.py
docs/index.md: README.md
cp $< $@
examples/black: .FORCE
rm -f $@
viv shim black -s -f -o $@
clean: ## remove build artifacts
rm -rf {build,dist}
@ -43,7 +39,4 @@ generate-example-vivens: ##
for f in $(EXAMPLES); \
do python examples/$$f; done
.FORCE:
.PHONY: .FORCE
-include .task.cfg.mk

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@ -1,4 +1,4 @@
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@ -1,43 +1,26 @@
#!/usr/bin/env python3
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())
force, verbose, xdg = map(os.getenv, ("VIV_FORCE", "VIV_VERBOSE", "XDG_CACHE_HOME"))
cache = (Path(xdg) if xdg else Path.home() / ".cache") / "viv" / "venvs"
cache.mkdir(parents=True, exist_ok=True)
exe = str(Path(sys.executable).resolve()) if track_exe else "N/A"
(sha256 := hashlib.sha256()).update((str(spec := [*pkgs]) + exe).encode())
_id = sha256.hexdigest()
if (env := cache / (name if name else _id)) not in cache.glob("*/") or force:
sys.stderr.write(f"generating new vivenv -> {env.name}\n")
venv.EnvBuilder(with_pip=True, clear=True).create(env)
(env / "pip.conf").write_text("[global]\ndisable-pip-version-check=true")
run_kw = dict(zip(("stdout", "stderr"), ((None,) * 2 if verbose else (-1, 2))))
p = run([env / "bin" / "pip", "install", "--force-reinstall", *spec], **run_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))
sys.path = [p for p in sys.path if not p != site.USER_SITE]
site.addsitedir(str(*(env / "lib").glob("py*/si*")))
return env
# fmt: off
def _viv_use(*pkgs, track_exe=False, name=""): # noqa
T,F,N=True,False,None;i,s,m,spec=__import__,str,map,[*pkgs] # noqa
e,w=lambda x: T if x else F,lambda p,t: p.write_text(t) # 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=T,exist_ok=T) # 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/(((_id:=sha256.hexdigest()),name)[e(name)])}-{*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=T,clear=T).create(env) # noqa
w(env/"pip.conf","[global]\ndisable-pip-version-check=true") # noqa
if (rc:=(p:=i("subprocess").run([env/"bin"/"pip","install","--force-reinstall",*spec],text=T, # noqa
stdout=(-1,N)[v],stderr=(-2,N)[v])).returncode)!=0: # noqa
if env.is_dir():i("shutil").rmtree(env) # noqa
ew(f"pip had non zero exit ({rc})\n{p.stdout}\n");sys.exit(rc) # noqa
w(env/"viv-info.json",i("json").dumps( # noqa
{"created":s(i("datetime").datetime.today()),"id":_id,"spec":spec,"exe":exe})) # noqa
sys.path=[p for p in (*sys.path,s(*(env/"lib").glob("py*/si*")))if p!=i("site").USER_SITE] # noqa
return env # noqa
# fmt: on
import subprocess
import sys

View file

@ -50,7 +50,7 @@ from typing import (
from urllib.error import HTTPError
from urllib.request import urlopen
__version__ = "23.5a4-27-g1c2e5a8-dev"
__version__ = "23.5a4-21-gf5c91fe-dev"
class Config:
@ -746,20 +746,20 @@ class ViVenv:
verbose=bool(os.getenv("VIV_VERBOSE")),
)
def touch(self) -> None:
self.meta.accessed = str(datetime.today())
def show(self, verbose: bool = False) -> None:
if not verbose:
_id = (
self.meta.id[:8]
if self.meta.id == self.name
else (self.name[:5] + "..." if len(self.name) > 8 else self.name)
)
def show(self) -> None:
_id = (
self.meta.id[:8]
if self.meta.id == self.name
else (self.name[:5] + "..." if len(self.name) > 8 else self.name)
)
sys.stdout.write(
f"""{a.bold}{a.cyan}{_id}{a.end} """
f"""{a.style(", ".join(self.meta.spec),'dim')}\n"""
)
sys.stdout.write(
f"""{a.bold}{a.cyan}{_id}{a.end} """
f"""{a.style(", ".join(self.meta.spec),'dim')}\n"""
)
else:
self.tree()
def _tree_leaves(self, items: List[str], indent: str = "") -> str:
tree_chars = [""] * (len(items) - 1) + [""]
@ -981,9 +981,6 @@ class Viv:
else:
echo("re-using existing vivenv")
vivenv.touch()
vivenv.meta.write()
echo("see below for import statements\n")
if args.standalone:
@ -1002,16 +999,9 @@ class Viv:
sys.stdout.write("\n".join(self.vivenvs) + "\n")
elif len(self.vivenvs) == 0:
echo("no vivenvs setup")
elif args.full:
for _, vivenv in self.vivenvs.items():
vivenv.tree()
elif args.json:
sys.stdout.write(
json.dumps({k: v.meta.__dict__ for k, v in self.vivenvs.items()})
)
else:
for _, vivenv in self.vivenvs.items():
vivenv.show()
vivenv.show(args.verbose)
def exe(self, args: Namespace) -> None:
"""run python/pip in existing vivenv"""
@ -1038,10 +1028,8 @@ class Viv:
if not metadata_file.is_file():
error(f"Unable to find metadata for vivenv: {args.vivenv}", code=1)
if args.json:
sys.stdout.write(json.dumps(vivenv.meta.__dict__))
else:
vivenv.tree()
vivenv.show(verbose=True)
def _install_local_src(self, sha256: str, src: Path, cli: Path) -> None:
echo("updating local source copy of viv")
@ -1218,9 +1206,7 @@ class Viv:
else:
vivenv.create()
vivenv.install_pkgs()
vivenv.touch()
vivenv.meta.write()
vivenv.meta.write()
sys.exit(subprocess.run([vivenv.path / "bin" / bin, *args.rest]).returncode)
@ -1301,22 +1287,13 @@ class Viv:
subparsers = parser.add_subparsers(
metavar="<sub-cmd>", title="subcommands", required=True
)
p_vivenv_arg = ArgumentParser(add_help=False)
p_vivenv_arg.add_argument("vivenv", help="name/hash of vivenv")
(p_json := ArgumentParser(add_help=False)).add_argument(
"--json",
help="name:metadata json for vivenvs ",
action="store_true",
default=False,
)
p_list = self._get_subcmd_parser(subparsers, "list", parents=[p_json])
p_list = self._get_subcmd_parser(subparsers, "list")
p_list.add_argument(
"-f",
"--full",
"-v",
"--verbose",
help="show full metadata for vivenvs",
default=False,
action="store_true",
@ -1396,7 +1373,7 @@ class Viv:
self._get_subcmd_parser(
subparsers,
"info",
parents=[p_vivenv_arg, p_json],
parents=[p_vivenv_arg],
)
p_manage_shared = ArgumentParser(add_help=False)
p_manage_shared.add_argument(
@ -1451,12 +1428,9 @@ class Viv:
p_manage_sub.add_parser(
"purge", help="remove traces of viv", aliases="p", parents=[p_manage_shared]
).set_defaults(func=self.manage, cmd="purge")
(p_run_shim_shared := ArgumentParser(add_help=False)).add_argument(
"-b", "--bin", help="console_script/script to invoke", metavar="<bin>"
)
p_shim = self._get_subcmd_parser(
subparsers, "shim", parents=[p_freeze_shim_shared, p_run_shim_shared]
subparsers, "shim", parents=[p_freeze_shim_shared]
)
p_shim.add_argument(
@ -1472,8 +1446,11 @@ class Viv:
type=Path,
metavar="<path>",
)
p_shim.add_argument(
"-b", "--bin", help="console_script/script to invoke", metavar="<bin>"
)
p_run = self._get_subcmd_parser(subparsers, "run", parents=[p_run_shim_shared])
p_run = self._get_subcmd_parser(subparsers, "run")
p_run.add_argument(
"-r",
@ -1489,6 +1466,10 @@ class Viv:
)
p_run.add_argument("reqs", help="requirements specifiers", nargs="*")
p_run.add_argument(
"-b", "--bin", help="console_script/script to invoke", metavar="<bin>"
)
if "--" in sys.argv:
i = sys.argv.index("--")
args = parser.parse_args(sys.argv[1:i])