more stern warning

jfolz · jfolz · commit 4d40e65a9f15 · 2016-05-18T12:37:25.000+02:00
diff --git a/msgpack/_unpacker.pyx b/msgpack/_unpacker.pyx
@@ -140,8 +140,9 @@ cdef inline int get_data_from_buffer(object obj,
         new_protocol[0] = 0
         if PyObject_AsReadBuffer(obj, <const void**> buf, buffer_len) == -1:
             raise BufferError("could not get memoryview")
-        PyErr_WarnEx(DeprecationWarning,
-                     "using old buffer interface to read from %s, which "
+        PyErr_WarnEx(RuntimeWarning,
+                     "using old buffer interface to unpack %s; "
+                     "this leads to unpacking errors if slicing is used and "
                      "will be removed in a future version" % type(obj),
                      1)
         success = 1
diff --git a/msgpack/fallback.py b/msgpack/fallback.py
@@ -260,7 +260,7 @@ def feed(self, next_bytes):
             if not PY3:
                 view = memoryview(buffer(next_bytes))
                 warnings.warn("using old buffer interface to unpack %s; "
-                              "this can cause problems which sliced data and"
+                              "this leads to unpacking errors if slicing is used and "
                               "will be removed in a future version" % type(next_bytes),
                               RuntimeWarning)
             else:
