From 7b4e65cbb7fc463307019faa1ee835a717eb0777 Mon Sep 17 00:00:00 2001
From: themancalledjakob <jrkb@jrkb.land>
Date: Sat, 24 May 2025 15:22:01 +0200
Subject: [PATCH] check for None

---
 butils.py      | 10 +++++-----
 common/Font.py | 14 +++++++-------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/butils.py b/butils.py
index 9b696d1..6663a1a 100644
--- a/butils.py
+++ b/butils.py
@@ -358,7 +358,7 @@ def turn_collection_hierarchy_into_path(obj):
 def find_font_object(fontcollection, font_name):
     fonts = find_objects_by_custom_property(fontcollection.objects, "is_font", True)
     for font in fonts:
-        if font["font_name"] == font_name and font.parent == None:
+        if font["font_name"] == font_name and font.parent is None:
             return font
     return None
 
@@ -375,7 +375,7 @@ def move_in_fontcollection(obj, fontcollection, allow_duplicates=False):
     # parent nesting structure
     # the font object
     font_obj = find_font_object(fontcollection, obj["font_name"])
-    if font_obj == None:
+    if font_obj is None:
         font_obj = bpy.data.objects.new(obj["font_name"], None)
         font_obj.empty_display_type = "PLAIN_AXES"
         fontcollection.objects.link(font_obj)
@@ -386,7 +386,7 @@ def move_in_fontcollection(obj, fontcollection, allow_duplicates=False):
 
     # the face object as a child of font object
     face_obj = find_font_face_object(font_obj, obj["face_name"])
-    if face_obj == None:
+    if face_obj is None:
         face_obj = bpy.data.objects.new(obj["face_name"], None)
         face_obj.empty_display_type = "PLAIN_AXES"
         face_obj["is_face"] = True
@@ -678,8 +678,8 @@ def is_metrics_object(o):
     if f"{utils.prefix()}_type" in o:
         return o[f"{utils.prefix()}_type"] == "metrics"
     return (
-        re.match(".*_metrics$", o.name) != None
-        or re.match(".*_metrics.[\d]{3}$", o.name) != None
+        re.match(".*_metrics$", o.name) is not None
+        or re.match(".*_metrics.[\d]{3}$", o.name) is not None
     ) and is_mesh(o)
 
 
diff --git a/common/Font.py b/common/Font.py
index bcb7949..e7a7ac0 100644
--- a/common/Font.py
+++ b/common/Font.py
@@ -163,7 +163,7 @@ class Font:
 def register_font(font_name, face_name, glyphs_in_fontfile, filepath):
     if not fonts.keys().__contains__(font_name):
         fonts[font_name] = Font({})
-    if fonts[font_name].faces.get(face_name) == None:
+    if fonts[font_name].faces.get(face_name) is None:
         fonts[font_name].faces[face_name] = FontFace({})
         fonts[font_name].faces[face_name].glyphs_in_fontfile = glyphs_in_fontfile
     else:
@@ -193,9 +193,9 @@ def add_glyph(font_name, face_name, glyph_id, glyph_object):
 
     if not fonts.keys().__contains__(font_name):
         fonts[font_name] = Font({})
-    if fonts[font_name].faces.get(face_name) == None:
+    if fonts[font_name].faces.get(face_name) is None:
         fonts[font_name].faces[face_name] = FontFace({})
-    if fonts[font_name].faces[face_name].glyphs.get(glyph_id) == None:
+    if fonts[font_name].faces[face_name].glyphs.get(glyph_id) is None:
         fonts[font_name].faces[face_name].glyphs[glyph_id] = []
     fonts[font_name].faces[face_name].glyphs.get(glyph_id).append(glyph_object)
 
@@ -224,13 +224,13 @@ def get_glyph(font_name, face_name, glyph_id, alternate=0):
         return None
 
     face = fonts[font_name].faces.get(face_name)
-    if face == None:
+    if face is None:
         # print(f"ABC3D::get_glyph: font({font_name}) face({face_name}) not found")
         # print(fonts[font_name].faces.keys())
         return None
 
     glyphs_for_id = face.glyphs.get(glyph_id)
-    if glyphs_for_id == None or len(glyphs_for_id) <= alternate:
+    if glyphs_for_id is None or len(glyphs_for_id) <= alternate:
         # print(f"ABC3D::get_glyph: font({font_name}) face({face_name}) glyph({glyph_id})[{alternate}] not found")
         if glyph_id not in fonts[font_name].faces[face_name].missing_glyphs:
             fonts[font_name].faces[face_name].missing_glyphs.append(glyph_id)
@@ -243,7 +243,7 @@ def test_glyphs_availability(font_name, face_name, text):
     # maybe there is NOTHING yet
     if (
         not fonts.keys().__contains__(font_name)
-        or fonts[font_name].faces.get(face_name) == None
+        or fonts[font_name].faces.get(face_name) is None
     ):
         return "", "", text  # <loaded>, <missing>, <maybe>
 
@@ -286,7 +286,7 @@ MISSING_FACE = 1
 def test_availability(font_name, face_name, text):
     if not fonts.keys().__contains__(font_name):
         return MISSING_FONT
-    if fonts[font_name].faces.get(face_name) == None:
+    if fonts[font_name].faces.get(face_name) is None:
         return MISSING_FACE
     loaded, missing, maybe, filepaths = test_glyphs_availability(
         font_name, face_name, text