diff options
| -rw-r--r-- | python/scripts/mkvenv.py | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/python/scripts/mkvenv.py b/python/scripts/mkvenv.py index 6c78a2c..3a9aef4 100644 --- a/python/scripts/mkvenv.py +++ b/python/scripts/mkvenv.py @@ -722,7 +722,8 @@ def _do_ensure( dep_specs: Sequence[str], online: bool = False, wheels_dir: Optional[Union[str, Path]] = None, -) -> None: + prog: Optional[str] = None, +) -> Optional[Tuple[str, bool]]: """ Use pip to ensure we have the package specified by @dep_specs. @@ -752,10 +753,24 @@ def _do_ensure( generate_console_scripts(present) if absent: - # Some packages are missing or aren't a suitable version, - # install a suitable (possibly vendored) package. - print(f"mkvenv: installing {', '.join(absent)}", file=sys.stderr) - pip_install(args=absent, online=online, wheels_dir=wheels_dir) + if online or wheels_dir: + # Some packages are missing or aren't a suitable version, + # install a suitable (possibly vendored) package. + print(f"mkvenv: installing {', '.join(absent)}", file=sys.stderr) + try: + pip_install(args=absent, online=online, wheels_dir=wheels_dir) + return None + except subprocess.CalledProcessError: + pass + + return diagnose( + absent[0], + online, + wheels_dir, + prog if absent[0] == dep_specs[0] else None, + ) + + return None def ensure( @@ -785,14 +800,12 @@ def ensure( if not HAVE_DISTLIB: raise Ouch("a usable distlib could not be found, please install it") - try: - _do_ensure(dep_specs, online, wheels_dir) - except subprocess.CalledProcessError as exc: + result = _do_ensure(dep_specs, online, wheels_dir, prog) + if result: # Well, that's not good. - msg, bad = diagnose(dep_specs[0], online, wheels_dir, prog) - if bad: - raise Ouch(msg) from exc - raise SystemExit(f"\n{msg}\n\n") from exc + if result[1]: + raise Ouch(result[0]) + raise SystemExit(f"\n{result[0]}\n\n") def post_venv_setup() -> None: |