[cleanup] Misc fixes

[yt-dlp.git] / yt_dlp / utils.py

diff --git a/yt_dlp/utils.py b/yt_dlp/utils.py
index b0300b724b0cbee9cd8eac42fc21d9a92103c978..00721eb4673c7ab67cbd63e41c4c34fb6bd5c177 100644 (file)
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@@ -1936,7 +1936,7 @@ def intlist_to_bytes(xs):
 
 
 class LockingUnsupportedError(OSError):
-    msg = 'File locking is not supported on this platform'
+    msg = 'File locking is not supported'
 
     def __init__(self):
         super().__init__(self.msg)
@@ -2061,8 +2061,11 @@ def __enter__(self):
             try:
                 self.f.truncate()
             except OSError as e:
-                if e.errno != 29:  # Illegal seek, expected when self.f is a FIFO
-                    raise e
+                if e.errno not in (
+                    errno.ESPIPE,  # Illegal seek - expected for FIFO
+                    errno.EINVAL,  # Invalid argument - expected for /dev/null
+                ):
+                    raise
         return self
 
     def unlock(self):