File headers: use SPDX license identifiers

See T95597

32 files changed, 32 insertions, 384 deletions

diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export.py b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
index fc78e9b5..e1c85402 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 import time
 
 import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
index 06fe6a47..732d77e6 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 FILTERED_VERTEX_GROUPS = 'filtered_vertex_groups'
 FILTERED_MESHES = 'filtered_meshes'
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
index f7318c2b..f5b69f13 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import numpy as np
 from mathutils import Vector
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
index 3a33c074..31c0fa62 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
index 4fa3700b..ecc053cd 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 
 from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
index ed9c5f8c..928fa14a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 
 import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
index 004e8d64..4c79092c 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
index bd0ce305..e138e26a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import mathutils
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
index 61fe17a6..b3cc9d30 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 
 import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
index abd498df..57374a2a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
index 20e3e6d9..7e49ac02 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import functools
 import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
index 8ac15307..cee3cb06 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
 from ..com.gltf2_blender_extras import generate_extras
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
index d639c9ac..1f82c2b3 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 
 from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import skdriverdiscovercache, skdrivervalues
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
index baee02bd..8e43c2c1 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
index 1abe9ec1..ffc1231b 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import mathutils
 
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
index b9b9f324..b740b294 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 from typing import Optional
 from io_scene_gltf2.io.com import gltf2_io_lights_punctual
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
index 9614263c..615bd01b 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import math
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
index 6bd7834b..d4af9529 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
index 88f3eb69..b0b17c84 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
index 36e6b4b4..2645f1f7 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_unlit.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 from io_scene_gltf2.blender.exp import gltf2_blender_gather_texture_info
 from io_scene_gltf2.blender.exp import gltf2_blender_get
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
index 4b301d22..ac90e4cd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 from typing import Optional, Dict, List, Any, Tuple
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
index d94b8c07..a69f5d58 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import math
 import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
index 126037ab..776b872a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import numpy as np
 
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
index 9f9b949a..82ff7f66 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 from typing import List, Optional, Tuple
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
index 6f4123ad..5685a242 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 from io_scene_gltf2.io.com import gltf2_io
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
index 5d9e31ed..e5534c5a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import mathutils
 from . import gltf2_blender_export_keys
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
index a8ec7f79..88aa6290 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import typing
 import bpy
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
index a99ae86a..2618973b 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import typing
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_get.py b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
index e925bf25..36fd4dfb 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_get.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 from mathutils import Vector, Matrix
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
index 77ea0c57..9761e81c 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 import re
 import os
 import urllib.parse
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
index fc41b7f2..e9917c2a 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 import bpy
 import os
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
index c1fba51b..41de11d6 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
@@ -1,16 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2018-2021 The glTF-Blender-IO authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
 
 #
 # Imports