pygmt.clib.Session.__getitem__
- Session.__getitem__(name)[source]
 Get the value of a GMT constant (C enum) from gmt_resources.h.
Used to set configuration values for other API calls. Wraps
GMT_Get_Enum.- Parameters
 name (str) – The name of the constant (e.g.,
"GMT_SESSION_EXTERNAL")- Returns
 constant (int) – Integer value of the constant. Do not rely on this value because it might change.
- Raises
 GMTCLibError – If the constant doesn’t exist.