def package_name_from_spec(package_spec: str, python: str, *,
pip_args: List[str], verbose: bool) -> str:
start_time = time.time()
# shortcut if valid PyPI name
pypi_name = valid_pypi_name(package_spec)
if pypi_name is not None:
# NOTE: if pypi name and installed package name differ, this means pipx
# will use the pypi name
package_name = pypi_name
logging.info(f"Determined package name: {package_name}")
logging.info(
f"Package name determined in {time.time()-start_time:.1f}s")
return package_name
# check syntax and clean up spec and pip_args
(package_spec,
pip_args) = parse_specifier_for_install(package_spec, pip_args)
with tempfile.TemporaryDirectory() as temp_venv_dir:
venv = Venv(Path(temp_venv_dir), python=python, verbose=verbose)
venv.create_venv(venv_args=[], pip_args=[])
package_name = venv.install_package_no_deps(
package_or_url=package_spec, pip_args=pip_args)
logging.info(f"Package name determined in {time.time()-start_time:.1f}s")
return package_name
def test_valid_pypi_name(package_spec_in, package_name_out):
assert valid_pypi_name(package_spec_in) == package_name_out