[utils/_windows_write_string] Be defensive about fileno (Fixes #2820)

11 years ago · a383a98af6
parent acd69589a5
commit a383a98af6
1 changed files with 5 additions and 1 deletions
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@ -926,7 +926,11 @@ def _windows_write_string(s, out):
        2: -12,
    }

+    try:
        fileno = out.fileno()
+    except AttributeError:
+        # If the output stream doesn't have a fileno, it's virtual
+        return False
    if fileno not in WIN_OUTPUT_IDS:
        return False