open_umls_semantic_types

open_umls_semantic_types(version=None, *, api_key=None, force=False)[source]

Ensure and open a UMLS file from the given version.

Parameters:

version (Optional[str]) – The version of UMLS to ensure. If not given, is looked up with bioversions.
api_key (Optional[str]) – An API key. If not given, is looked up using pystow.get_config() with the umls module and api_key key.
force (bool) – Should the file be re-downloaded, even if it already exists?

Yields:

The file, which is used in the context manager.

This file contains the following columns:

CUI	Unique identifier of concept
TUI	Unique identifier of Semantic Type
STN	Semantic Type tree number
STY	Semantic Type. The valid values are defined in the Semantic Network.
ATUI	Unique identifier for attribute
CVF	Content View Flag. Bit field used to flag rows included in Content View.