mirror of
https://github.com/daylinmorgan/viv.git
synced 2024-11-13 20:47:53 -06:00
refactor: abstract script/cache behavior more
This commit is contained in:
parent
6ef2f765d6
commit
9eba6a303f
GPG key ID:
C1E52E7DD81DF79F
1 changed files with 109 additions and 111 deletions
220
src/viv/viv.py
220
src/viv/viv.py
|
|
@ -2657,6 +2657,8 @@ class ViVenv:
|
|||
size = float(
|
||||
sum(p.stat().st_size for p in Path(self.path).rglob("*") if p.is_file())
|
||||
)
|
||||
|
||||
unit = ""
|
||||
for unit in ("", "K", "M", "G", "T"):
|
||||
if size < 1024:
|
||||
break
|
||||
|
|
@ -2665,31 +2667,19 @@ class ViVenv:
|
|||
self.size = f"{size:.1f}{unit}B"
|
||||
|
||||
@contextmanager
|
||||
def use(self, keep: bool = True) -> Generator[None, None, None]:
|
||||
def use(self, keep: bool = True, tmpdir: str = "") -> Generator[None, None, None]:
|
||||
run_mode = Env().viv_run_mode
|
||||
_path = self.path
|
||||
|
||||
def common() -> None:
|
||||
self.ensure()
|
||||
self.touch()
|
||||
if tmpdir and not keep:
|
||||
_update_cache(run_mode=run_mode, tmpdir=tmpdir)
|
||||
|
||||
try:
|
||||
if self.loaded or keep or run_mode == "persist":
|
||||
common()
|
||||
yield
|
||||
elif run_mode == "ephemeral":
|
||||
with tempfile.TemporaryDirectory(prefix="viv-") as tmpdir:
|
||||
self.set_path(Path(tmpdir))
|
||||
common()
|
||||
yield
|
||||
elif run_mode == "semi-ephemeral":
|
||||
ephemeral_cache = _path_ok(
|
||||
Path(tempfile.gettempdir()) / f"viv-ephemeral-cache-{_get_user()}"
|
||||
)
|
||||
os.environ.update(dict(VIV_CACHE=str(ephemeral_cache)))
|
||||
self.set_path(ephemeral_cache / "venvs" / self.name)
|
||||
common()
|
||||
yield
|
||||
self.set_path(Cfg().cache_venv / self.name)
|
||||
self.ensure()
|
||||
self.touch()
|
||||
yield
|
||||
|
||||
finally:
|
||||
self.set_path(_path)
|
||||
|
||||
|
|
@ -2957,6 +2947,18 @@ def _parse_date(txt: str) -> datetime:
|
|||
)
|
||||
|
||||
|
||||
def _update_cache(run_mode: str, tmpdir: str) -> None:
|
||||
new_cache = tmpdir
|
||||
|
||||
if run_mode == "semi-ephemeral":
|
||||
new_cache = str(
|
||||
Path(tempfile.gettempdir()) / ("viv-ephemeral-cache-" + _get_user())
|
||||
)
|
||||
|
||||
# by default ephemeral
|
||||
os.environ["VIV_CACHE"] = new_cache
|
||||
|
||||
|
||||
class Cache:
|
||||
def __init__(self) -> None:
|
||||
self.vivenvs = self._get_venvs()
|
||||
|
|
@ -3021,6 +3023,92 @@ class Cache:
|
|||
return set()
|
||||
|
||||
|
||||
class Script:
|
||||
def __init__(
|
||||
self, path: str, spec: List[str], keep: bool, rest: List[str], viv: Viv
|
||||
):
|
||||
self.path = path
|
||||
self.spec = spec
|
||||
self.keep = keep
|
||||
self.rest = rest
|
||||
self.viv = viv
|
||||
|
||||
self.name = path.split("/")[-1]
|
||||
self.remote = Path(path).is_file() # does this work for symlinks?
|
||||
|
||||
def run(self) -> None:
|
||||
with tempfile.TemporaryDirectory(prefix="viv-") as tmpdir:
|
||||
tmppath = Path(tmpdir)
|
||||
|
||||
if self.remote:
|
||||
scriptpath = Path(self.path).absolute()
|
||||
script_text = scriptpath.read_text()
|
||||
else:
|
||||
scriptpath = tmppath / self.name
|
||||
script_text = fetch_script(self.path)
|
||||
scriptpath.write_text(script_text)
|
||||
|
||||
mode = _uses_viv(script_text)
|
||||
metadata = _read_metadata_block(script_text)
|
||||
deps = metadata.get("dependencies", [])
|
||||
|
||||
if requires := metadata.get("requires-python", ""):
|
||||
_check_python(requires)
|
||||
|
||||
if mode == _Viv_Mode.USE and deps:
|
||||
error(
|
||||
"Inline Script Metadata block and "
|
||||
"`viv.use` API can't be used in the same script"
|
||||
)
|
||||
|
||||
if not self.viv.local_source and mode != _Viv_Mode.NONE:
|
||||
log.debug("fetching remote copy to use for python api")
|
||||
(tmppath / "viv.py").write_text(
|
||||
fetch_script(
|
||||
"https://raw.githubusercontent.com/daylinmorgan/viv/latest/src/viv/viv.py"
|
||||
)
|
||||
)
|
||||
|
||||
_update_cache(run_mode=Env().viv_run_mode, tmpdir=tmpdir)
|
||||
|
||||
env = dict(
|
||||
env := os.environ,
|
||||
PYTHONPATH=":".join((str(tmppath), env.get("PYTHONPATH", ""))),
|
||||
)
|
||||
|
||||
if not self.spec and not deps:
|
||||
log.warning("using viv with empty spec, skipping vivenv creation")
|
||||
subprocess_run_quit([sys.executable, "-S", scriptpath, *self.rest])
|
||||
|
||||
elif mode == _Viv_Mode.USE:
|
||||
log.debug(
|
||||
f"script invokes viv.use passing along spec: \n '{self.spec}'"
|
||||
)
|
||||
env.update(VIV_SPEC=" ".join(f"'{req}'" for req in self.spec))
|
||||
subprocess_run_quit(
|
||||
[sys.executable, "-S", scriptpath, *self.rest], env=env
|
||||
)
|
||||
elif mode == _Viv_Mode.RUN:
|
||||
log.debug("script invokes viv.run letting subprocess handle deps")
|
||||
subprocess_run_quit(
|
||||
[sys.executable, "-S", scriptpath, *self.rest], env=env
|
||||
)
|
||||
|
||||
else:
|
||||
vivenv = ViVenv(self.spec + deps)
|
||||
with vivenv.use(keep=self.keep):
|
||||
vivenv.meta.write()
|
||||
subprocess_run_quit(
|
||||
[vivenv.python, "-S", scriptpath, *self.rest],
|
||||
env=dict(
|
||||
env,
|
||||
PYTHONPATH=":".join(
|
||||
filter(None, (vivenv.site_packages, Env().pythonpath))
|
||||
),
|
||||
),
|
||||
)
|
||||
|
||||
|
||||
class Viv:
|
||||
def __init__(self) -> None:
|
||||
self.t = Template()
|
||||
|
|
@ -3407,96 +3495,6 @@ class Viv:
|
|||
f.write(self.t.shim(path, self.local_source, standalone, spec, bin))
|
||||
make_executable(output)
|
||||
|
||||
@staticmethod
|
||||
def _update_cache(env: os._Environ[str], keep: bool, tmpdir: str) -> None:
|
||||
run_mode = Env().viv_run_mode
|
||||
if not keep:
|
||||
if run_mode == "ephemeral":
|
||||
new_cache = tmpdir
|
||||
elif run_mode == "semi-ephemeral":
|
||||
new_cache = str(
|
||||
Path(tempfile.gettempdir()) / ("viv-ephemeral-cache-" + _get_user())
|
||||
)
|
||||
|
||||
env.update({"VIV_CACHE": new_cache})
|
||||
os.environ["VIV_CACHE"] = new_cache
|
||||
|
||||
def _run_script(
|
||||
self, spec: List[str], script: str, keep: bool, rest: List[str]
|
||||
) -> None:
|
||||
env = os.environ
|
||||
name = script.split("/")[-1]
|
||||
|
||||
with tempfile.TemporaryDirectory(prefix="viv-") as tmpdir:
|
||||
tmppath = Path(tmpdir)
|
||||
|
||||
if Path(script).is_file():
|
||||
scriptpath = Path(script).absolute()
|
||||
script_text = scriptpath.read_text()
|
||||
else:
|
||||
scriptpath = tmppath / name
|
||||
script_text = fetch_script(script)
|
||||
scriptpath.write_text(script_text)
|
||||
|
||||
mode = _uses_viv(script_text)
|
||||
metadata = _read_metadata_block(script_text)
|
||||
deps = metadata.get("dependencies", [])
|
||||
|
||||
if requires := metadata.get("requires-python", ""):
|
||||
_check_python(requires)
|
||||
|
||||
if mode == _Viv_Mode.USE and deps:
|
||||
error(
|
||||
"Script Dependencies block and "
|
||||
"`viv.use` API can't be used in the same script"
|
||||
)
|
||||
|
||||
if not self.local_source and mode != _Viv_Mode.NONE:
|
||||
log.debug("fetching remote copy to use for python api")
|
||||
(tmppath / "viv.py").write_text(
|
||||
fetch_script(
|
||||
"https://raw.githubusercontent.com/daylinmorgan/viv/latest/src/viv/viv.py"
|
||||
)
|
||||
)
|
||||
|
||||
self._update_cache(env, keep, tmpdir)
|
||||
|
||||
if mode == _Viv_Mode.USE:
|
||||
log.debug(f"script invokes viv.use passing along spec: \n '{spec}'")
|
||||
subprocess_run_quit(
|
||||
[sys.executable, "-S", scriptpath, *rest],
|
||||
env=dict(
|
||||
env,
|
||||
VIV_SPEC=" ".join(f"'{req}'" for req in spec),
|
||||
PYTHONPATH=":".join((str(tmppath), env.get("PYTHONPATH", ""))),
|
||||
),
|
||||
)
|
||||
elif mode == _Viv_Mode.RUN:
|
||||
log.debug("script invokes viv.run letting subprocess handle deps")
|
||||
subprocess_run_quit(
|
||||
[sys.executable, "-S", scriptpath, *rest],
|
||||
env=dict(
|
||||
env,
|
||||
PYTHONPATH=":".join((str(tmppath), env.get("PYTHONPATH", ""))),
|
||||
),
|
||||
)
|
||||
elif not spec and not deps:
|
||||
log.warning("using viv with empty spec, skipping vivenv creation")
|
||||
subprocess_run_quit([sys.executable, "-S", scriptpath, *rest])
|
||||
else:
|
||||
vivenv = ViVenv(spec + deps)
|
||||
with vivenv.use(keep=keep):
|
||||
vivenv.meta.write()
|
||||
subprocess_run_quit(
|
||||
[vivenv.python, "-S", scriptpath, *rest],
|
||||
env=dict(
|
||||
env,
|
||||
PYTHONPATH=":".join(
|
||||
filter(None, (vivenv.site_packages, Env().pythonpath))
|
||||
),
|
||||
),
|
||||
)
|
||||
|
||||
def cmd_run(
|
||||
self,
|
||||
reqs: List[str],
|
||||
|
|
@ -3520,7 +3518,7 @@ class Viv:
|
|||
spec = combined_spec(reqs, requirements)
|
||||
|
||||
if script:
|
||||
self._run_script(spec, script, keep, rest)
|
||||
Script(path=script, spec=spec, keep=keep, rest=rest, viv=self).run()
|
||||
else:
|
||||
_, bin = self._pick_bin(reqs, bin)
|
||||
vivenv = ViVenv(spec)
|
||||
|
|
|
|||
Loading…
Reference in a new issue