def create(cls, task_entries):
"""Creates a NodeBuilder with tasks indexed by their output type."""
serializable_tasks = defaultdict(set)
for entry in task_entries:
if isinstance(entry, (tuple, list)) and len(entry) == 3:
output_type, input_selects, task = entry
serializable_tasks[output_type].add(
TaskNodeFactory(tuple(input_selects), task, output_type)
)
elif isinstance(entry, SnapshottedProcess):
serializable_tasks[entry.output_product_type].add(entry)
else:
raise Exception("Unexpected type for entry {}".format(entry))
intrinsics = dict()
intrinsics.update(FilesystemNode.as_intrinsics())
intrinsics.update(SnapshotNode.as_intrinsics())
return cls(serializable_tasks, intrinsics)
def as_node(self, subject, variants):
assert type(subject) in (Files, PathGlobs)
return SnapshotNode.create(subject, variants)
def as_node(self, subject, variants): assert type(subject) in (Files, PathGlobs) return SnapshotNode.create(subject, variants)
