Bump minimum Python version to 3.8 (#1876)

* Bump minimum Python version to 3.8

* typing_extensions.Literal -> typing.Literal

* ns-dev-test

* typing_extensions.get_args => typing.get_args

* Format with older version of black

* Bump `black`

* Run black

scripts/blender/nerfstudio_blender.py

@@ -141,7 +141,6 @@ class CreateJSONCameraPath(bpy.types.Operator):
         keyframe_list = []
 
         for i, transformed_camera_path_mat_val in enumerate(self.transformed_camera_path_mat):
-
             curr_properties = (
                 '[["FOV",'
                 + str(self.fov_list[i])
@@ -361,7 +360,7 @@ class NerfstudioBgPanel(bpy.types.Panel):  # pylint: disable=too-few-public-meth
         self.layout.label(text="Camera path for Nerfstudio")
 
         col = self.layout.column()
-        for (prop_name, _) in INPUT_PROPERTIES:
+        for prop_name, _ in INPUT_PROPERTIES:
             row = col.row()
             row.prop(context.scene, prop_name)
 
@@ -385,7 +384,7 @@ class NerfstudioInputPanel(bpy.types.Panel):  # pylint: disable=too-few-public-m
         self.layout.label(text="Create Blender Camera From Nerfstudio JSON")
         col = self.layout.column()
 
-        for (prop_name, _) in INPUT_PROPERTIES_NS_CAMERA:
+        for prop_name, _ in INPUT_PROPERTIES_NS_CAMERA:
             row = col.row()
             row.prop(context.scene, prop_name)
 
@@ -425,10 +424,10 @@ OBJ_PROPERTIES = ["NeRF", "RenderCamera"]
 def register():
     """Register classes for UI panel."""
 
-    for (prop_name, prop_value) in INPUT_PROPERTIES:
+    for prop_name, prop_value in INPUT_PROPERTIES:
         setattr(bpy.types.Scene, prop_name, prop_value)
 
-    for (prop_name, prop_value) in INPUT_PROPERTIES_NS_CAMERA:
+    for prop_name, prop_value in INPUT_PROPERTIES_NS_CAMERA:
         setattr(bpy.types.Scene, prop_name, prop_value)
 
     bpy.types.Scene.NeRF = bpy.props.PointerProperty(type=bpy.types.Object)
@@ -440,10 +439,10 @@ def register():
 def unregister():
     """Unregister classes for UI panel."""
 
-    for (prop_name, _) in INPUT_PROPERTIES:
+    for prop_name, _ in INPUT_PROPERTIES:
         delattr(bpy.types.Scene, prop_name)
 
-    for (prop_name, _) in INPUT_PROPERTIES_NS_CAMERA:
+    for prop_name, _ in INPUT_PROPERTIES_NS_CAMERA:
         delattr(bpy.types.Scene, prop_name)
 
     del bpy.types.Scene.NeRF

scripts/completions/install.py

@@ -10,13 +10,13 @@ import shutil
 import stat
 import subprocess
 import sys
-from typing import List, Optional, Union
+from typing import List, Literal, Optional, Union
+from typing import get_args as typing_get_args
 
 import tyro
 from rich.console import Console
 from rich.prompt import Confirm
-from typing_extensions import Literal, assert_never
-from typing_extensions import get_args as typing_get_args
+from typing_extensions import assert_never
 
 if sys.version_info < (3, 10):
     import importlib_metadata

scripts/datasets/process_nuscenes_masks.py

@@ -1,7 +1,7 @@
 import os
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Tuple
+from typing import Literal, Tuple
 
 import cv2
 import numpy as np
@@ -10,7 +10,6 @@ from nuscenes.nuscenes import NuScenes as NuScenesDatabase
 from nuscenes.utils.data_classes import Box
 from nuscenes.utils.geometry_utils import BoxVisibility, view_points
 from tqdm import tqdm
-from typing_extensions import Literal
 
 
 @dataclass

scripts/render.py

@@ -11,7 +11,7 @@ import sys
 from contextlib import ExitStack
 from dataclasses import dataclass, field
 from pathlib import Path
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List, Literal, Optional
 
 import mediapy as media
 import numpy as np
@@ -29,7 +29,7 @@ from rich.progress import (
 )
 from rich.table import Table
 from torchtyping import TensorType
-from typing_extensions import Literal, assert_never
+from typing_extensions import assert_never
 
 from nerfstudio.cameras.camera_paths import (
     get_interpolated_camera_path,

scripts/texture.py

@@ -6,11 +6,10 @@ from __future__ import annotations
 
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Optional
+from typing import Literal, Optional
 
 import tyro
 from rich.console import Console
-from typing_extensions import Literal
 
 from nerfstudio.exporter import texture_utils
 from nerfstudio.exporter.exporter_utils import get_mesh_from_filename