def _update_project_variables(project: Project, project_vars: Dict[str, str]):
"""Update project fields with values set during lifecycle processing."""
try:
if project_vars["version"]:
project.version = project_vars["version"]
if project_vars["grade"]:
project.grade = project_vars["grade"] # type: ignore
except pydantic.ValidationError as err:
_raise_formatted_validation_error(err)
raise errors.SnapcraftError(f"error setting variable: {err}")
def update_project_metadata(
project: Project,
*,
project_vars: Dict[str, str],
metadata_list: List[ExtractedMetadata],
assets_dir: Path,
prime_dir: Path,
) -> None:
"""Set project fields using corresponding adopted entries.
Fields are validated on assignment by pydantic.
:param project: The project to update.
:param project_vars: The variables updated during lifecycle execution.
:param metadata_list: List containing parsed information from metadata files.
:raises SnapcraftError: If project update failed.
"""
_update_project_variables(project, project_vars)
for metadata in metadata_list:
# Data specified in the project yaml has precedence over extracted data
if metadata.title and not project.title:
project.title = metadata.title
if metadata.summary and not project.summary:
project.summary = metadata.summary
if metadata.description and not project.description:
project.description = metadata.description
if metadata.version and not project.version:
project.version = metadata.version
if metadata.grade and not project.grade:
project.grade = metadata.grade # type: ignore
emit.debug(f"project icon: {project.icon!r}")
emit.debug(f"metadata icon: {metadata.icon!r}")
if not project.icon:
_update_project_icon(project,
metadata=metadata,
assets_dir=assets_dir)
_update_project_app_desktop_file(project,
metadata=metadata,
assets_dir=assets_dir,
prime_dir=prime_dir)
# Fields that must not end empty
for field in MANDATORY_ADOPTABLE_FIELDS:
if not getattr(project, field):
raise errors.SnapcraftError(
f"Field {field!r} was not adopted from metadata")