From 9f0e54db73924bd65c195bb0898503521a2e8510 Mon Sep 17 00:00:00 2001
From: Riezebos <22647971+Riezebos@users.noreply.github.com>
Date: Thu, 12 Aug 2021 17:09:38 +0200
Subject: [PATCH] Support windowspaths >260 chars during collection

---
 src/_pytest/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/_pytest/main.py b/src/_pytest/main.py
index e068fcb0c..e276b4039 100644
--- a/src/_pytest/main.py
+++ b/src/_pytest/main.py
@@ -38,6 +38,7 @@ from _pytest.fixtures import FixtureManager
 from _pytest.outcomes import exit
 from _pytest.pathlib import absolutepath
 from _pytest.pathlib import bestrelpath
+from _pytest.pathlib import ensure_extended_length_path
 from _pytest.pathlib import fnmatch_ex
 from _pytest.pathlib import visit
 from _pytest.reports import CollectReport
@@ -716,6 +717,7 @@ class Session(nodes.FSCollector):
             # Let the Package collector deal with subnodes, don't collect here.
             if argpath.is_dir():
                 assert not names, f"invalid arg {(argpath, names)!r}"
+                argpath = ensure_extended_length_path(Path(argpath))
 
                 seen_dirs: Set[Path] = set()
                 for direntry in visit(str(argpath), self._recurse):