Terrance/nerfactory data windows fix (#564)

* reverting changes

* reverting change

* adding pylint ignore

nerfactory/datamanagers/dataparsers/nerfactory_parser.py

@@ -18,7 +18,7 @@ from __future__ import annotations
 import logging
 import math
 from dataclasses import dataclass, field
-from pathlib import Path
+from pathlib import Path, PureWindowsPath
 from typing import Literal, Type
 
 import numpy as np
@@ -59,7 +59,7 @@ class Nerfactory(DataParser):
     config: NerfactoryDataParserConfig
 
     def _generate_dataset_inputs(self, split="train"):
-
+        # pylint: disable=too-many-statements
         abs_dir = get_absolute_path(self.config.data_directory)
 
         meta = load_from_json(abs_dir / "transforms.json")
@@ -67,11 +67,14 @@ class Nerfactory(DataParser):
         poses = []
         num_skipped_image_filenames = 0
         for frame in meta["frames"]:
-            fname = abs_dir / Path(frame["file_path"])
-            if self.config.downscale_factor > 1:
-                fname = abs_dir / f"images_{self.config.downscale_factor}" / Path(frame["file_path"]).name
+            if "\\" in frame["file_path"]:
+                filepath = PureWindowsPath(frame["file_path"])
             else:
-                fname = abs_dir / Path(frame["file_path"])
+                filepath = Path(frame["file_path"])
+            if self.config.downscale_factor > 1:
+                fname = abs_dir / f"images_{self.config.downscale_factor}" / filepath.name
+            else:
+                fname = abs_dir / filepath
             if not fname:
                 num_skipped_image_filenames += 1
             else: