File headers: use SPDX license identifiers

Some files needed to be changed manually.

20 files changed, 55 insertions, 21 deletions

diff --git a/add_mesh_extra_objects/Blocks.py b/add_mesh_extra_objects/Blocks.py
index 31db7807..928ed1d6 100644
--- a/add_mesh_extra_objects/Blocks.py
+++ b/add_mesh_extra_objects/Blocks.py
@@ -1,4 +1,6 @@
-# GPL # "authors": dudecon, jambay
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Authors: dudecon, jambay
 
 # Module notes:
 #
diff --git a/add_mesh_extra_objects/add_empty_as_parent.py b/add_mesh_extra_objects/add_empty_as_parent.py
index da4295ff..62b7751c 100644
--- a/add_mesh_extra_objects/add_empty_as_parent.py
+++ b/add_mesh_extra_objects/add_empty_as_parent.py
@@ -1,4 +1,6 @@
-# GPL # Original Author Liero #
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Original Author Liero
 
 import bpy
 from bpy.types import Operator
diff --git a/add_mesh_extra_objects/add_mesh_3d_function_surface.py b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
index c4520adc..b7025bd4 100644
--- a/add_mesh_extra_objects/add_mesh_3d_function_surface.py
+++ b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
@@ -1,4 +1,6 @@
-# GPL # original by Buerbaum Martin (Pontiac), Elod Csirmaz
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Original by Buerbaum Martin (Pontiac), Elod Csirmaz
 
 import bpy
 import math
diff --git a/add_mesh_extra_objects/add_mesh_beam_builder.py b/add_mesh_extra_objects/add_mesh_beam_builder.py
index 0cc43e0f..f4a4a7d2 100644
--- a/add_mesh_extra_objects/add_mesh_beam_builder.py
+++ b/add_mesh_extra_objects/add_mesh_beam_builder.py
@@ -1,4 +1,6 @@
-# GPL # "author": revolt_randy, Jambay
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: revolt_randy, Jambay
 
 # Create "Beam" primitives. Based on original script by revolt_randy
 
diff --git a/add_mesh_extra_objects/add_mesh_gears.py b/add_mesh_extra_objects/add_mesh_gears.py
index 4d9f0168..b74ac936 100644
--- a/add_mesh_extra_objects/add_mesh_gears.py
+++ b/add_mesh_extra_objects/add_mesh_gears.py
@@ -1,4 +1,5 @@
-# GPL # (c) 2009, 2010 Michel J. Anders (varkenvarken)
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2009-2010 Michel J. Anders (varkenvarken)
 
 import bpy
 from bpy.types import Operator
diff --git a/add_mesh_extra_objects/add_mesh_gemstones.py b/add_mesh_extra_objects/add_mesh_gemstones.py
index 92374118..f30911c5 100644
--- a/add_mesh_extra_objects/add_mesh_gemstones.py
+++ b/add_mesh_extra_objects/add_mesh_gemstones.py
@@ -1,4 +1,6 @@
-# GPL # "author": "Pontiac, Fourmadmen, Dreampainter"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Pontiac, Fourmadmen, Dreampainter
 
 import bpy
 from bpy.types import Operator
diff --git a/add_mesh_extra_objects/add_mesh_honeycomb.py b/add_mesh_extra_objects/add_mesh_honeycomb.py
index bb6734a4..5c72f952 100644
--- a/add_mesh_extra_objects/add_mesh_honeycomb.py
+++ b/add_mesh_extra_objects/add_mesh_honeycomb.py
@@ -1,4 +1,6 @@
-# GPL # "author": "Kayo Phoenix"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Kayo Phoenix
 
 import bpy
 from bpy_extras import object_utils
diff --git a/add_mesh_extra_objects/add_mesh_menger_sponge.py b/add_mesh_extra_objects/add_mesh_menger_sponge.py
index 1e932e20..bf723441 100644
--- a/add_mesh_extra_objects/add_mesh_menger_sponge.py
+++ b/add_mesh_extra_objects/add_mesh_menger_sponge.py
@@ -1,6 +1,5 @@
-# -*- coding: utf-8 -*-
-# Copyright (c) 2015 sugiany
-# This file is distributed under the MIT License. See the LICENSE.md for more details.
+# SPDX-License-Identifier: MIT
+# Copyright 2015 Sugiany
 
 import bpy
 
diff --git a/add_mesh_extra_objects/add_mesh_pipe_joint.py b/add_mesh_extra_objects/add_mesh_pipe_joint.py
index 91c64e2f..52103992 100644
--- a/add_mesh_extra_objects/add_mesh_pipe_joint.py
+++ b/add_mesh_extra_objects/add_mesh_pipe_joint.py
@@ -1,4 +1,6 @@
-# GPL # "author": "Buerbaum Martin (Pontiac)"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Buerbaum Martin (Pontiac)
 
 import bpy, bmesh
 from math import sin, cos, tan, pi, radians
diff --git a/add_mesh_extra_objects/add_mesh_pyramid.py b/add_mesh_extra_objects/add_mesh_pyramid.py
index 58fafb04..1b735891 100644
--- a/add_mesh_extra_objects/add_mesh_pyramid.py
+++ b/add_mesh_extra_objects/add_mesh_pyramid.py
@@ -1,4 +1,6 @@
-# GPL # "author": "Phil Cote, cotejrp1, (http://www.blenderaddons.com)"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Phil Cote, cotejrp1, (http://www.blenderaddons.com)
 
 import bpy
 import bmesh
diff --git a/add_mesh_extra_objects/add_mesh_rocks/randomize_texture.py b/add_mesh_extra_objects/add_mesh_rocks/randomize_texture.py
index 3b1c4565..8fc92890 100644
--- a/add_mesh_extra_objects/add_mesh_rocks/randomize_texture.py
+++ b/add_mesh_extra_objects/add_mesh_rocks/randomize_texture.py
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 # This try block allows for the script to psudo-intelligently select the
 # appropriate random to use.  If Numpy's random is present it will use that.
 # If Numpy's random is not present, it will through a "module not found"
diff --git a/add_mesh_extra_objects/add_mesh_round_brilliant.py b/add_mesh_extra_objects/add_mesh_round_brilliant.py
index 874a26db..b1a93012 100644
--- a/add_mesh_extra_objects/add_mesh_round_brilliant.py
+++ b/add_mesh_extra_objects/add_mesh_round_brilliant.py
@@ -1,4 +1,5 @@
-# GPL "author": "Dominic Kröper, (dommetysk)"
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Author: Dominic Kröper, (dommetysk)
 
 import bpy
 from math import (
diff --git a/add_mesh_extra_objects/add_mesh_round_cube.py b/add_mesh_extra_objects/add_mesh_round_cube.py
index b48e9a69..3daf57a1 100644
--- a/add_mesh_extra_objects/add_mesh_round_cube.py
+++ b/add_mesh_extra_objects/add_mesh_round_cube.py
@@ -1,4 +1,6 @@
-# GPL # Author: Alain Ducharme (phymec)
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Alain Ducharme (phymec)
 
 import bpy
 from bpy_extras import object_utils
diff --git a/add_mesh_extra_objects/add_mesh_solid.py b/add_mesh_extra_objects/add_mesh_solid.py
index 59e070df..0d1a72c5 100644
--- a/add_mesh_extra_objects/add_mesh_solid.py
+++ b/add_mesh_extra_objects/add_mesh_solid.py
@@ -1,4 +1,6 @@
-# GPL # "author": "DreamPainter"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: DreamPainter
 
 import bpy
 from math import sqrt
diff --git a/add_mesh_extra_objects/add_mesh_star.py b/add_mesh_extra_objects/add_mesh_star.py
index 2bede081..f12427cf 100644
--- a/add_mesh_extra_objects/add_mesh_star.py
+++ b/add_mesh_extra_objects/add_mesh_star.py
@@ -1,4 +1,6 @@
-# GPL Original by Fourmadmen
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Original by Fourmadmen
 
 import bpy
 from mathutils import (
diff --git a/add_mesh_extra_objects/add_mesh_supertoroid.py b/add_mesh_extra_objects/add_mesh_supertoroid.py
index 8a87a289..e325cffc 100644
--- a/add_mesh_extra_objects/add_mesh_supertoroid.py
+++ b/add_mesh_extra_objects/add_mesh_supertoroid.py
@@ -1,4 +1,6 @@
-# GPL # "author": "DreamPainter"
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: DreamPainter
 
 import bpy
 from bpy.props import (
diff --git a/add_mesh_extra_objects/add_mesh_torusknot.py b/add_mesh_extra_objects/add_mesh_torusknot.py
index 39e985c3..28c79027 100644
--- a/add_mesh_extra_objects/add_mesh_torusknot.py
+++ b/add_mesh_extra_objects/add_mesh_torusknot.py
@@ -1,4 +1,6 @@
-# GPL #  Author, Anthony D'Agostino
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Anthony D'Agostino
 
 import bpy
 from mathutils import Vector
diff --git a/add_mesh_extra_objects/add_mesh_triangles.py b/add_mesh_extra_objects/add_mesh_triangles.py
index 5373c5fb..f0a45ba8 100644
--- a/add_mesh_extra_objects/add_mesh_triangles.py
+++ b/add_mesh_extra_objects/add_mesh_triangles.py
@@ -1,4 +1,5 @@
-# GPL # "author": Sjaak-de-Draak
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Author: Sjaak-de-Draak
 
 bl_info = {
     "name": "Triangles",
diff --git a/add_mesh_extra_objects/add_mesh_twisted_torus.py b/add_mesh_extra_objects/add_mesh_twisted_torus.py
index bb3bd483..1a2b47f7 100644
--- a/add_mesh_extra_objects/add_mesh_twisted_torus.py
+++ b/add_mesh_extra_objects/add_mesh_twisted_torus.py
@@ -1,4 +1,6 @@
-# GPL # "author": Paulo_Gomes
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Author: Paulo_Gomes
 
 import bpy
 from mathutils import Quaternion, Vector
diff --git a/add_mesh_extra_objects/add_mesh_vertex.py b/add_mesh_extra_objects/add_mesh_vertex.py
index 88b9d345..4ee3ad85 100644
--- a/add_mesh_extra_objects/add_mesh_vertex.py
+++ b/add_mesh_extra_objects/add_mesh_vertex.py
@@ -1,4 +1,6 @@
-# GPL # Originals by meta-androcto, Pablo Vazquez, Liero, Richard Wilks
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Originals by meta-androcto, Pablo Vazquez, Liero, Richard Wilks
 
 import bpy
 from bpy.types import Operator