def test_get_effective_base(base, build_base, project_type, name,
expected_base):
result = utils.get_effective_base(base=base,
build_base=build_base,
project_type=project_type,
name=name)
assert result == expected_base
def load(filestream: TextIO) -> Dict[str, Any]:
"""Load and parse a YAML-formatted file.
:param filename: The YAML file to load.
:raises SnapcraftError: if loading didn't succeed.
:raises LegacyFallback: if the project's base is not core22.
"""
try:
data = yaml.safe_load(filestream)
build_base = utils.get_effective_base(
base=data.get("base"),
build_base=data.get("build-base"),
project_type=data.get("type"),
name=data.get("name"),
)
if build_base is None:
raise errors.LegacyFallback("no base defined")
if build_base != "core22":
raise errors.LegacyFallback("base is not core22")
except yaml.error.YAMLError as err:
raise errors.SnapcraftError(
f"snapcraft.yaml parsing error: {err!s}") from err
filestream.seek(0)
try:
return yaml.load(filestream, Loader=_SafeLoader)
except yaml.error.YAMLError as err:
raise errors.SnapcraftError(
f"snapcraft.yaml parsing error: {err!s}") from err
def get_effective_base(self) -> str:
"""Return the base to use to create the snap."""
base = get_effective_base(
base=self.base,
build_base=self.build_base,
project_type=self.type,
name=self.name,
)
# will not happen after schema validation
if base is None:
raise RuntimeError("cannot determine build base")
return base