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-rw-r--r--gnu/packages/patches/calibre-msgpack-compat.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/gnu/packages/patches/calibre-msgpack-compat.patch b/gnu/packages/patches/calibre-msgpack-compat.patch
new file mode 100644
index 0000000000..9920103bea
--- /dev/null
+++ b/gnu/packages/patches/calibre-msgpack-compat.patch
@@ -0,0 +1,18 @@
+Fix deserialization with msgpack 1.0.
+
+Patch copied from upstream source repository:
+https://github.com/kovidgoyal/calibre/commit/0ff41ac64994ec11b7859fc004c94d08769e3af3
+
+diff --git a/src/calibre/utils/serialize.py b/src/calibre/utils/serialize.py
+index f5d560c468..c35ae53849 100644
+--- a/src/calibre/utils/serialize.py
++++ b/src/calibre/utils/serialize.py
+@@ -110,7 +110,7 @@ def msgpack_decoder(code, data):
+ def msgpack_loads(dump, use_list=True):
+ # use_list controls whether msgpack arrays are unpacked as lists or tuples
+ import msgpack
+- return msgpack.unpackb(dump, ext_hook=msgpack_decoder, raw=False, use_list=use_list)
++ return msgpack.unpackb(dump, ext_hook=msgpack_decoder, raw=False, use_list=use_list, strict_map_key=False)
+
+
+ def json_loads(data):