clib: Search and load the GMT library only one time

GenericMappingTools · Dec 28, 2023 · 80f1d79 · 80f1d79
1 parent bb82345
commit 80f1d79
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/pygmt/clib/session.py b/pygmt/clib/session.py
@@ -87,6 +87,9 @@
  np.datetime64: "GMT_DATETIME",
 }
 
+# load the GMT library outside the Session class so it's loaded once.
+_libgmt = load_libgmt()
+
 
 class Session:
  """
@@ -308,7 +311,7 @@ def get_libgmt_func(self, name, argtypes=None, restype=None):
  <class 'ctypes.CDLL.__init__.<locals>._FuncPtr'>
  """
  if not hasattr(self, "_libgmt"):
- self._libgmt = load_libgmt()
+ self._libgmt = _libgmt
  function = getattr(self._libgmt, name)
  if argtypes is not None:
  function.argtypes = argtypes