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-rw-r--r--Lib/ftplib.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index ee2a137..8f36f53 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -728,6 +728,10 @@ else:
if context is not None and certfile is not None:
raise ValueError("context and certfile arguments are mutually "
"exclusive")
+ if keyfile is not None or certfile is not None:
+ import warnings
+ warnings.warn("keyfile and certfile are deprecated, use a"
+ "custom context instead", DeprecationWarning, 2)
self.keyfile = keyfile
self.certfile = certfile
if context is None: