Broken windows paths on linux

[lissyx]

$ poetry run python generate_side_by_side.py --base-revision 338c1afa163526b8aab61dcddcb44db70130e2af --base-branch mozilla-central --new-revision 773bf7a99888344d3d86629248e2b76cebf8583f --new-branch try --test-name browsertime-tp6-firefox-espn-fis-e10s --platform test-windows10-64-shippable-qr --cold --overwrite --output bug1769903_run_utility_rdd_together/`
[...]
Traceback (most recent call last):
  File "/home/alex/codaz/Mozilla/mozperftest-tools/generate_side_by_side.py", line 897, in <module>
    cold_pairing = find_closest_videos(
  File "/home/alex/codaz/Mozilla/mozperftest-tools/generate_side_by_side.py", line 565, in find_closest_videos
    shutil.copyfile(newvid, newvidnewpath)
  File "/usr/lib/python3.10/shutil.py", line 254, in copyfile
    with open(src, 'rb') as fsrc:
FileNotFoundError: [Errno 2] No such file or directory: 'bug1769903_run_utility_rdd_together/AC0gqpYlTWuscirNFiZXMg/1/browsertime-tp6-firefox-espn-fis-e10s/browsertime-results_data/0/euwQFWpwTACT_browsertime-results/espn/pages\\www_espn_com\\nba\\story\\_\\page\\allstarweekend25788027\\the-comparison-lebron-james-michael-jordan-their-own-words\\cold\\data\\video\\2.mp4'

The path itself is good, but it's Windows-formatted:

$ echo "bug1769903_run_utility_rdd_together/AC0gqpYlTWuscirNFiZXMg/1/browsertime-tp6-firefox-espn-fis-e10s/browsertime-results_data/0/euwQFWpwTACT_browsertime-results/espn/pages\\www_espn_com\\nba\\story\\_\\page\\allstarweekend25788027\\the-comparison-lebron-james-michael-jordan-their-own-words\\cold\\data\\video\\2.mp4" | sed -e 's/\\/\//g'
bug1769903_run_utility_rdd_together/AC0gqpYlTWuscirNFiZXMg/1/browsertime-tp6-firefox-espn-fis-e10s/browsertime-results_data/0/euwQFWpwTACT_browsertime-results/espn/pages/www_espn_com/nba/story/_/page/allstarweekend25788027/the-comparison-lebron-james-michael-jordan-their-own-words/cold/data/video/2.mp4
$ ll bug1769903_run_utility_rdd_together/AC0gqpYlTWuscirNFiZXMg/1/browsertime-tp6-firefox-espn-fis-e10s/browsertime-results_data/0/euwQFWpwTACT_browsertime-results/espn/pages/www_espn_com/nba/story/_/page/allstarweekend25788027/the-comparison-lebron-james-michael-jordan-their-own-words/cold/data/video/2.mp4
-rw-rw-rw- 1 alex alex 200K mai   31 22:19 bug1769903_run_utility_rdd_together/AC0gqpYlTWuscirNFiZXMg/1/browsertime-tp6-firefox-espn-fis-e10s/browsertime-results_data/0/euwQFWpwTACT_browsertime-results/espn/pages/www_espn_com/nba/story/_/page/allstarweekend25788027/the-comparison-lebron-james-michael-jordan-their-own-words/cold/data/video/2.mp4

[lissyx]

diff --git a/generate_side_by_side.py b/generate_side_by_side.py
index 038376f..5a0c258 100644
--- a/generate_side_by_side.py
+++ b/generate_side_by_side.py
@@ -226,11 +226,19 @@ def find_videos(artifact_dir, original=False):
     with warm_path.open() as f:
         warm_data = json.load(f)

+    def read_path(p, f):
+        rv = None
+        if "\\" in f:
+            rv = pathlib.PureWindowsPath(p.parents[0], f).as_posix()
+        else:
+            rv = pathlib.Path(p.parents[0], f)
+        return rv
+
     return {
         "cold": [
-            str(pathlib.Path(cold_path.parents[0], file)).replace(".mp4", "-original.mp4")
+            str(read_path(cold_path, file)).replace(".mp4", "-original.mp4")
             if original
-            else str(pathlib.Path(cold_path.parents[0], file))
+            else str(read_path(cold_path, file))
             for file in cold_data[0]["files"]["video"]
         ],
         "warm": [