def pip_install(
path: Union[Path, str],
environment: Env,
editable: bool = False,
deps: bool = False,
upgrade: bool = False,
) -> Union[int, str]:
path = Path(path) if isinstance(path, str) else path
is_wheel = path.suffix == ".whl"
# We disable version check here as we are already pinning to version available in either the
# virtual environment or the virtualenv package embedded wheel. Version checks are a wasteful
# network call that adds a lot of wait time when installing a lot of packages.
args = [
"install", "--disable-pip-version-check", "--prefix",
str(environment.path)
]
if not is_wheel:
args.insert(1, "--use-pep517")
if upgrade:
args.append("--upgrade")
if not deps:
args.append("--no-deps")
if editable:
if not path.is_dir():
raise PoetryException(
"Cannot install non directory dependencies in editable mode")
args.append("-e")
args.append(str(path))
try:
return environment.run_pip(*args)
except EnvCommandError as e:
if sys.version_info < (3, 7) and not is_wheel:
# Under certain Python3.6 installs vendored pip wheel does not contain zip-safe
# pep517 lib. In this cases we create an isolated ephemeral virtual environment.
with ephemeral_environment(executable=environment.python,
with_pip=True,
with_setuptools=True) as env:
return environment.run(
*env.get_pip_command(),
*args,
env={
**os.environ, "PYTHONPATH": str(env.purelib)
},
)
raise PoetryException(f"Failed to install {path.as_posix()}") from e
def pip_install(
path: Union[Path, str],
environment: Env,
editable: bool = False,
deps: bool = False,
upgrade: bool = False,
) -> Union[int, str]:
path = Path(path) if isinstance(path, str) else path
is_wheel = path.suffix == ".whl"
args = ["install", "--prefix", str(environment.path)]
if not is_wheel:
args.insert(1, "--use-pep517")
if upgrade:
args.append("--upgrade")
if not deps:
args.append("--no-deps")
if editable:
if not path.is_dir():
raise PoetryException(
"Cannot install non directory dependencies in editable mode")
args.append("-e")
args.append(str(path))
try:
return environment.run_pip(*args)
except EnvCommandError as e:
if sys.version_info < (3, 7) and not is_wheel:
# Under certain Python3.6 installs vendored pip wheel does not contain zip-safe
# pep517 lib. In this cases we create an isolated ephemeral virtual environment.
with ephemeral_environment(executable=environment.python,
pip=True,
setuptools=True) as env:
return environment.run(
env._bin("pip"),
*args,
env={
**os.environ, "PYTHONPATH": str(env.purelib)
},
)
raise PoetryException(f"Failed to install {path.as_posix()}") from e
