store clib on module level - shared between all instances

Author: PeterPetrik

pygeodiff/__init__.py

@@ -7,7 +7,8 @@
     :license: MIT, see LICENSE for more details.
 """
 
-from .main import GeoDiff
+from .main import GeoDiff, shutdown
+
 from .geodifflib import (
     GeoDiffLibError,
     GeoDiffLibConflictError,

pygeodiff/geodifflib.py

@@ -15,6 +15,28 @@
 import copy
 
 
+clib_module = None
+
+
+def clib():
+    global clib_module
+    return clib_module
+
+
+def init_clib(libname):
+    global clib_module
+    if clib_module is None:
+        clib_module = GeoDiffLib(libname)
+    return clib_module
+
+
+def shutdown_clib():
+    global clib_module
+    if clib_module is not None:
+        clib_module.shutdown()
+        clib_module = None
+
+
 class GeoDiffLibError(Exception):
     pass