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path: root/src/mailman_pgp/pgp/utils.py
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-rw-r--r--src/mailman_pgp/pgp/utils.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mailman_pgp/pgp/utils.py b/src/mailman_pgp/pgp/utils.py
index 0946e3f..a824138 100644
--- a/src/mailman_pgp/pgp/utils.py
+++ b/src/mailman_pgp/pgp/utils.py
@@ -18,7 +18,7 @@
"""Various pgp and email utilities."""
-def copy_headers(from_msg, to_msg):
+def copy_headers(from_msg, to_msg, overwrite=False):
"""
Copy the headers and unixfrom from a message to another one.
@@ -28,6 +28,8 @@ def copy_headers(from_msg, to_msg):
:type to_msg: email.message.Message
"""
for key, value in from_msg.items():
+ if overwrite:
+ del to_msg[key]
if key not in to_msg:
to_msg[key] = value
if to_msg.get_unixfrom() is None: