Cleanup: use the assignment operator with list-comprehension

build_files/cmake/project_info.py

@@ -220,14 +220,12 @@ def cmake_advanced_info():
 
 
 def cmake_cache_var(var):
-    cache_file = open(join(CMAKE_DIR, "CMakeCache.txt"), encoding='utf-8')
-    lines = [
-        l_strip for l in cache_file
-        for l_strip in (l.strip(),)
-        if l_strip
-        if not l_strip.startswith(("//", "#"))
-    ]
-    cache_file.close()
+    with open(os.path.join(CMAKE_DIR, "CMakeCache.txt"), encoding='utf-8') as cache_file:
+        lines = [
+            l_strip for l in cache_file
+            if (l_strip := l.strip())
+            if not l_strip.startswith(("//", "#"))
+        ]
 
     for l in lines:
         if l.split(":")[0] == var:

release/scripts/startup/bl_operators/uvcalc_lightmap.py

@@ -568,8 +568,7 @@ def unwrap(operator, context, **kwargs):
     meshes = list({
         me for obj in context.selected_objects
         if obj.type == 'MESH'
-        for me in (obj.data,)
-        if me.polygons and me.library is None
+        if (me := obj.data).polygons and me.library is None
     })
 
     if not meshes:

release/scripts/startup/bl_operators/wm.py

@@ -2191,8 +2191,7 @@ class WM_OT_batch_rename(Operator):
                         id
                         for ob in context.selected_objects
                         if ob.type == data_type
-                        for id in (ob.data,)
-                        if id is not None and id.library is None
+                        if (id := ob.data) is not None and id.library is None
                     ))
                     if only_selected else
                     [id for id in getattr(bpy.data, attr) if id.library is None],