1 files changed, 30 insertions, 0 deletions
diff --git a/yt_dlp/utils/_deprecated.py b/yt_dlp/utils/_deprecated.py
new file mode 100644
index 000000000..4454d84a7
--- /dev/null
+++ b/yt_dlp/utils/_deprecated.py
@@ -0,0 +1,30 @@
+"""Deprecated - New code should avoid these"""
+
+from ._utils import preferredencoding
+
+
+def encodeFilename(s, for_subprocess=False):
+    assert isinstance(s, str)
+    return s
+
+
+def decodeFilename(b, for_subprocess=False):
+    return b
+
+
+def decodeArgument(b):
+    return b
+
+
+def decodeOption(optval):
+    if optval is None:
+        return optval
+    if isinstance(optval, bytes):
+        optval = optval.decode(preferredencoding())
+
+    assert isinstance(optval, str)
+    return optval
+
+
+def error_to_compat_str(err):
+    return str(err)