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6 changed files with 50 additions and 114 deletions

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@ -20,6 +20,7 @@ jobs:
- name: Deploy
uses: peaceiris/actions-gh-pages@v3
if: ${{ github.ref == 'refs/heads/main' }}
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
# publish_dir: ./site

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@ -1,4 +1,4 @@
USAGE={a.bold}{a.cyan} viv tasks{a.end}:\n
USAGE={a.bold}{a.cyan} viv isn't venv{a.end}\n\n\ttasks:\n
PHONIFY=1
HELP_SEP={a.b_blue}>>>{a.end}

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@ -7,7 +7,7 @@ lint: ## run pre-commit hooks
types: ## run mypy
mypy src/viv
bump: ## update version and tag commit
bump-version: ## update version and tag commit
@echo "bumping to version => $(VERSION)"
@sed -i 's/__version__ = ".*"/__version__ = "$(VERSION)"/g' src/viv/viv.py
@git add src/viv/viv.py && git commit -m "chore: bump version" --no-verify
@ -15,9 +15,18 @@ bump: ## update version and tag commit
@git tag -d latest || true
@git tag latest
venv: ## generate environment
pdm install
# TAPES = demo freeze list-info-remove
# GIFS := $(foreach n, $(TAPES), docs/$(n).gif)
# docs: $(GIFS) # generate usage examples
# docs/%.gif: docs/%.tape
# viv rm $$(viv l -q)
# cd docs; vhs < $*.tape
clean: ## remove build artifacts
rm -rf {build,dist}

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@ -9,10 +9,6 @@
</p>
</div>
Try before you buy!
```sh
python3 <(curl -fsSL gh.dayl.in/viv/viv.py) run pycowsay -- "Viv isn't venv\!"
```
---
`Viv` is a standalone dependency-free `venv` creator.

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@ -296,7 +296,7 @@
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@ -306,7 +306,7 @@
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@ -52,7 +52,7 @@ from typing import (
from urllib.error import HTTPError
from urllib.request import urlopen
__version__ = "23.5a4-4-g158acbc-dev"
__version__ = "23.5a3"
class Config:
@ -226,8 +226,7 @@ class Ansi:
Args:
output: text output from subprocess, usually from p.stdout
"""
if not output:
return
echo("subprocess output:")
new_output = [f"{self.red}->{self.end} {line}" for line in output.splitlines()]
sys.stdout.write("\n".join(new_output) + "\n")
@ -560,12 +559,11 @@ class ViVenv:
name: str = "",
path: Path | None = None,
) -> None:
self.spec = self._validate_spec(spec)
self.spec = spec
self.exe = str(Path(sys.executable).resolve()) if track_exe else "N/A"
self.id = id if id else get_hash(spec, track_exe)
self.name = name if name else self.id
self.path = path if path else c.venvcache / self.name
self.exists = self.name in [d.name for d in c.venvcache.iterdir()]
@classmethod
def load(cls, name: str) -> "ViVenv":
@ -585,18 +583,6 @@ class ViVenv:
return vivenv
def _validate_spec(self, spec: List[str]) -> List[str]:
"""ensure spec is at least of sequence of strings
Args:
spec: sequence of package specifications
"""
if not set(map(type, spec)) == {str}:
error("unexepected input in package spec")
error(f"check your packages definitions: {spec}", code=1)
return sorted(spec)
def create(self, quiet: bool = False) -> None:
if not quiet:
echo(f"new unique vivenv -> {self.name}")
@ -650,9 +636,12 @@ def use(*packages: str, track_exe: bool = False, name: str = "") -> Path:
track_exe: if true make env python exe specific
name: use as vivenv name, if not provided id is used
"""
validate_spec(packages)
vivenv = ViVenv(list(packages), track_exe=track_exe, name=name)
if not vivenv.exists or os.getenv("VIV_FORCE"):
if vivenv.name not in [d.name for d in c.venvcache.iterdir()] or os.getenv(
"VIV_FORCE"
):
vivenv.create()
vivenv.install_pkgs()
vivenv.dump_info(write=True)
@ -661,6 +650,18 @@ def use(*packages: str, track_exe: bool = False, name: str = "") -> Path:
return vivenv.path
def validate_spec(spec: Tuple[str, ...]) -> None:
"""ensure spec is at least of sequence of strings
Args:
spec: sequence of package specifications
"""
# ? make this a part of ViVenv?
if not set(map(type, spec)) == {str}:
error("unexepected input in package spec")
error(f"check your packages definitions: {spec}", code=1)
def modify_sys_path(new_path: Path) -> None:
# remove user-site
for i, path in enumerate(sys.path):
@ -938,11 +939,12 @@ class Viv:
)
def _match_vivenv(self, name_id: str) -> ViVenv: # type: ignore[return]
# TODO: improve matching algorithm to favor names over id's
matches: List[ViVenv] = []
for k, v in self.vivenvs.items():
if name_id == k or v.name == name_id:
matches.append(v)
elif k.startswith(name_id) or (v.id.startswith(name_id) and v.id == v.name):
elif k.startswith(name_id) or v.id.startswith(name_id):
matches.append(v)
elif v.name.startswith(name_id):
matches.append(v)
@ -1011,7 +1013,7 @@ class Viv:
a.table(rows)
def exe(self, args: Namespace) -> None:
"""run python/pip in existing vivenv"""
"""run python/pip in vivenv"""
vivenv = self._match_vivenv(args.vivenv)
@ -1023,7 +1025,7 @@ class Viv:
f"{pip_path} {' '.join(args.cmd)}"
if args.exe == "pip"
else f"{python_path} {' '.join(args.cmd)}"
) + " ".join(args.rest)
)
echo(f"executing {cmd}")
run(shlex.split(cmd), verbose=True)
@ -1046,19 +1048,16 @@ class Viv:
make_executable(src)
echo("symlinking cli")
if cli.is_file() and confirm(
f"Existing file at {a.style(str(cli),'bold')}, "
"would you like to overwrite it?"
):
cli.unlink()
if not cli.is_file():
cli.symlink_to(src)
else:
cli.unlink()
cli.symlink_to(src)
echo("Remember to include the following line in your shell rc file:")
sys.stderr.write(
' export PYTHONPATH="$PYTHONPATH:$HOME/'
f'{src.relative_to(Path.home()).parent}"\n'
f'{src.relative_to(Path.home())}"\n'
)
def manage(self, args: Namespace) -> None:
@ -1180,10 +1179,6 @@ class Viv:
"`python3 <(curl -fsSL gh.dayl.in/viv/viv.py) manage install`"
)
def _pick_bin(self, args: Namespace) -> Tuple[str, str]:
default = re.split(r"[=><~!*]+", args.reqs[0])[0]
return default, (default if not args.bin else args.bin)
def shim(self, args: Namespace) -> None:
"""\
generate viv-powered cli apps
@ -1197,7 +1192,8 @@ class Viv:
if not args.reqs:
error("please specify at lease one dependency", code=1)
default_bin, bin = self._pick_bin(args)
default_bin = re.split(r"[=><~!*]+", args.reqs[0])[0]
bin = default_bin if not args.bin else args.bin
output = (
c.binparent / default_bin if not args.output else args.output.absolute()
)
@ -1244,43 +1240,6 @@ class Viv:
make_executable(output)
def run(self, args: Namespace) -> None:
"""\
run an app with an on-demand venv
examples:
viv r pycowsay -- "Viv isn't venv\!"
viv r rich -b python -- -m rich
"""
if not args.reqs:
error("please specify at lease one dependency", code=1)
_, bin = self._pick_bin(args)
spec = combined_spec(args.reqs, args.requirements)
vivenv = ViVenv(spec)
# TODO: respect a VIV_RUN_MODE env variable as the same as keep i.e.
# ephemeral (default), semi-ephemeral (persist inside /tmp), or
# persist (use c.cache)
if not vivenv.exists or os.getenv("VIV_FORCE"):
if not args.keep:
with tempfile.TemporaryDirectory(prefix="viv-") as tmpdir:
vivenv.path = Path(tmpdir)
vivenv.create()
vivenv.install_pkgs()
sys.exit(
subprocess.run(
[vivenv.path / "bin" / bin, *args.rest]
).returncode
)
else:
vivenv.create()
vivenv.install_pkgs()
vivenv.dump_info(write=True)
sys.exit(subprocess.run([vivenv.path / "bin" / bin, *args.rest]).returncode)
def _get_subcmd_parser(
self,
subparsers: _SubParsersAction[ArgumentParser],
@ -1450,10 +1409,11 @@ class Viv:
"purge", help="remove traces of viv", aliases="p", parents=[p_manage_shared]
).set_defaults(func=self.manage, cmd="purge")
p_shim = self._get_subcmd_parser(
subparsers, "shim", parents=[p_freeze_shim_shared]
)
(
p_shim := self._get_subcmd_parser(
subparsers, "shim", parents=[p_freeze_shim_shared]
)
).set_defaults(func=self.shim, cmd="shim")
p_shim.add_argument(
"-f",
"--freeze",
@ -1467,41 +1427,11 @@ class Viv:
type=Path,
metavar="<path>",
)
p_shim.add_argument(
"-b", "--bin", help="console_script/script to invoke", metavar="<bin>"
)
p_shim.add_argument("-b", "--bin", help="console_script/script to invoke")
p_run = self._get_subcmd_parser(subparsers, "run")
args = parser.parse_args()
p_run.add_argument(
"-r",
"--requirements",
help="path/to/requirements.txt file",
metavar="<path>",
)
p_run.add_argument(
"-k",
"--keep",
help="preserve environment",
action="store_true",
)
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])
args.rest = sys.argv[i + 1 :]
else:
args = parser.parse_args()
args.rest = []
args.func(
args,
)
args.func(args)
def main() -> None: