scripts-blender/addons/brushstroke_tools/utils.py

@@ -1,9 +1,11 @@
-import os
+import os, ast
 import bpy
 from bpy.app.handlers import persistent
 import math, shutil, errno
 from bpy.app.handlers import persistent
 
+addon_version = (0,0,0)
+
 ng_list = [
     ".brushstroke_tools.draw_processing",
     ".brushstroke_tools.pre_processing",
@@ -184,7 +186,6 @@ def deep_copy_mod_info(source_object, target_object):
             for attr in socket_info.keys():
                 setattr(socket_info_tgt, attr, getattr(socket_info, attr))
 
-
 def get_addon_directory() -> str:
     """
     Returns the path of the addon directory.
@@ -219,6 +220,16 @@ def import_resources(ng_names = ng_list):
             if 'brushstroke_tools-resources.blend' in img.library_weak_reference.filepath:
                 img.pack()
 
+def read_lib_version():
+    resource_dir = f'{get_resource_directory()}'
+    with open(f"{resource_dir}.version", "r") as file:
+        version = ast.literal_eval(file.read())
+        return version
+
+def write_lib_version():
+    resource_dir = f'{get_resource_directory()}'
+    with open(f"{resource_dir}.version", "w") as file:
+        file.write(str(addon_version))
 
 def copy_resources_to_dir(tgt_dir = ''):
     resource_dir = f'{get_addon_directory()}/assets/'
@@ -227,15 +238,15 @@ def copy_resources_to_dir(tgt_dir = ''):
 
     try:
         shutil.copytree(resource_dir, tgt_dir, dirs_exist_ok=True)
+        write_lib_version()
     except OSError as err:
         # error caused if the source was not a directory
         if err.errno == errno.ENOTDIR:
             shutil.copy2(resource_dir, tgt_dir)
+            write_lib_version()
         else:
             print("Error: % s" % err)
 
-
-
 def ensure_resources():
     ng_missing = set()