Auxiliaries & Utilities

File location

• Bundled implementation: source/server/python/util.py

• Cluster implementation: cluster/daemon/python/util.py

@utils.suppress

A decorator that suppresses all exceptions.

utils.file_lock(file: str)

A context lock for file modification with a file system lock.

Parameters

file (str) – Filename to be locked in the context.

utils.print_file(s: Any, file: str)

Wrapper function to process-safely print s into file.

Parameters

• s (str) – Content to be printed.

• file (str) – Filename of output stream.

utils.temp_env(env: Dict[str, Any])

A context for temporarily change the current os.environ.

Parameters

env (Dict[str, Any]) – Environment variables.