def _process_sources_for_exposure(manifest: Manifest, current_project: str,
exposure: ParsedExposure):
target_source: Optional[Union[Disabled, ParsedSourceDefinition]] = None
for source_name, table_name in exposure.sources:
target_source = manifest.resolve_source(
source_name,
table_name,
current_project,
exposure.package_name,
)
if target_source is None or isinstance(target_source, Disabled):
invalid_source_fail_unless_test(exposure,
source_name,
table_name,
disabled=(isinstance(
target_source, Disabled)))
continue
target_source_id = target_source.unique_id
exposure.depends_on.nodes.append(target_source_id)
manifest.update_exposure(exposure)
def _process_refs_for_exposure(
manifest: Manifest, current_project: str, exposure: ParsedExposure
):
"""Given a manifest and a exposure in that manifest, process its refs"""
for ref in exposure.refs:
target_model: Optional[Union[Disabled, ManifestNode]] = None
target_model_name: str
target_model_package: Optional[str] = None
if len(ref) == 1:
target_model_name = ref[0]
elif len(ref) == 2:
target_model_package, target_model_name = ref
else:
raise dbt.exceptions.InternalException(
f'Refs should always be 1 or 2 arguments - got {len(ref)}'
)
target_model = manifest.resolve_ref(
target_model_name,
target_model_package,
current_project,
exposure.package_name,
)
if target_model is None or isinstance(target_model, Disabled):
# This may raise. Even if it doesn't, we don't want to add
# this exposure to the graph b/c there is no destination exposure
invalid_ref_fail_unless_test(
exposure, target_model_name, target_model_package,
disabled=(isinstance(target_model, Disabled))
)
continue
target_model_id = target_model.unique_id
exposure.depends_on.nodes.append(target_model_id)
manifest.update_exposure(exposure)
