File cffi-loader.patch of Package python-cffi.18354

# HG changeset patch
# User Armin Rigo <arigo@tunes.org>
# Date 1515619092 -3600
# Node ID d16706e3c2da4ff29729c312b96af5cc251f82c4
# Parent  a570b34ac8a60becdbc4a3404c737d03b4691353
Issue #352

Oops.

diff --git a/c/lib_obj.c b/c/lib_obj.c
--- a/c/lib_obj.c
+++ b/c/lib_obj.c
@@ -505,6 +505,7 @@
     return x;
 
  missing:
+    /*** ATTRIBUTEERROR IS SET HERE ***/
     p = PyText_AsUTF8(name);
     if (p == NULL)
         return NULL;
@@ -534,6 +535,7 @@
 #if PY_MAJOR_VERSION >= 3
     if (strcmp(p, "__loader__") == 0 || strcmp(p, "__spec__") == 0) {
         /* some more module-like behavior hacks */
+        PyErr_Clear();
         Py_INCREF(Py_None);
         return Py_None;
     }
diff --git a/testing/cffi1/test_recompiler.py b/testing/cffi1/test_recompiler.py
--- a/testing/cffi1/test_recompiler.py
+++ b/testing/cffi1/test_recompiler.py
@@ -2287,3 +2287,13 @@
 
 def test_char16_char32_plain_c():
     test_char16_char32_type(no_cpp=True)
+
+def test_loader_spec():
+    ffi = FFI()
+    lib = verify(ffi, "test_loader_spec", "")
+    if sys.version_info < (3,):
+        assert not hasattr(lib, '__loader__')
+        assert not hasattr(lib, '__spec__')
+    else:
+        assert lib.__loader__ is None
+        assert lib.__spec__ is None