def _find_vyper_version(file: str) -> str:
global _installed_vyper_versions
if _installed_vyper_versions is None:
_installed_vyper_versions = vvm.get_installed_vyper_versions()
_installed_vyper_versions.append(_VYPER_VERSION)
pragma_specs = _get_vyper_pragma_spec(file)
version = pragma_specs.select(_installed_vyper_versions)
if not version:
global _available_vyper_versions
if _available_vyper_versions is None:
_available_vyper_versions = vvm.get_installable_vyper_versions()
version = pragma_specs.select(_available_vyper_versions)
if not version:
raise InvalidVyperException(
f"Invalid vyper version pragma: {pragma_specs}")
lock = vvm.install.get_process_lock(f"locked${version}")
with lock:
try:
_get_executable(version)
except vvm.exceptions.VyperNotInstalled:
vvm.install_vyper(version)
if version not in _installed_vyper_versions:
_installed_vyper_versions.append(version)
return version
def pytest_collection(session):
global VERSIONS
if session.config.getoption("--vyper-versions"):
VERSIONS = [
Version(i)
for i in session.config.getoption("--vyper-versions").split(",")
]
elif session.config.getoption("--no-install"):
VERSIONS = vvm.get_installed_vyper_versions()
else:
try:
VERSIONS = vvm.get_installable_vyper_versions()
except ConnectionError:
raise pytest.UsageError(
"ConnectionError while attempting to get vyper versions.\n"
"Use the --no-install flag to only run tests against already installed versions."
)
for version in VERSIONS:
vvm.install_vyper(version)
def install_vyper(*versions: str) -> None:
"""Installs vyper versions."""
for version in versions:
vvm.install_vyper(version, show_progress=True)
def _install_vyper(version: Version):
try:
vvm.install_vyper(version, show_progress=True)
except Exception as err:
raise VyperInstallError(
f"Unable to install Vyper version: '{version}'.") from err