def run_legacy_snapcraft() -> None:
legacy_python = os.path.join(
common.get_legacy_snapcraft_dir(), "usr", "bin", "python3"
)
legacy_snapcraft = os.path.join(
common.get_legacy_snapcraft_dir(), "bin", "snapcraft"
)
os.execv(legacy_python, [legacy_python, legacy_snapcraft] + sys.argv[1:])
def run_legacy_snapcraft(argv=sys.argv[1:]) -> None:
if not common.is_snap():
raise errors.SnapcraftEnvironmentError(
"Legacy mode not supported in this installation. "
"Install snapcraft from https://snapcraft.io/snapcraft and try again."
)
legacy_python = os.path.join(common.get_legacy_snapcraft_dir(), "usr",
"bin", "python3")
legacy_snapcraft = os.path.join(common.get_legacy_snapcraft_dir(), "bin",
"snapcraft")
cmd = [legacy_python, legacy_snapcraft] + argv
logging.debug("Running legacy snapcraft with: {}".format(cmd))
os.execv(legacy_python, cmd)
def _needs_legacy() -> bool:
if not os.path.isdir(common.get_legacy_snapcraft_dir()):
return False
try:
# Early bootstrapping does not allow us to use the existing utilities we
# have to manage this check.
if os.getenv("SNAPCRAFT_BUILD_ENVIRONMENT") == "managed-host":
base_dir = os.path.expanduser(os.path.join("~", "project"))
else:
base_dir = None
snapcraft_yaml_path = project.get_snapcraft_yaml(base_dir=base_dir)
with open(snapcraft_yaml_path, "r") as f:
data = yaml_utils.load(f)
return data.get("base") is None
except Exception:
# If there are issues loading/parsing the YAML, just pass off to the current version
# where the error should be properly handled
return False