From 089164a0c0d6024cbb133327d47a28ca3716cd56 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Wed, 28 Oct 2020 08:49:33 +0900
Subject: [PATCH] python: Handle the when case __doc__ is None.

* lang/python/src/core.py (GpgmeWrapper): Check if None.

--

GnuPG-bug-id: 5075
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 lang/python/src/core.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lang/python/src/core.py b/lang/python/src/core.py
index 996c3b0f..646bbc60 100644
--- a/lang/python/src/core.py
+++ b/lang/python/src/core.py
@@ -147,7 +147,12 @@ class GpgmeWrapper(object):
                     gpgme.gpg_raise_callback_exception(slf)
                 return result
 
-        doc = self._munge_docstring.sub(r'\2.\1(\3', getattr(func, "__doc__"))
+        doc_orig = getattr(func, "__doc__")
+        if doc_orig:
+            doc = self._munge_docstring.sub(r'\2.\1(\3', doc_orig)
+        else:
+            doc = None
+
         _funcwrap.__doc__ = doc
 
         # Monkey-patch the class.