Merged revisions 83030 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83030 | antoine.pitrou | 2010-07-21 18:41:31 +0200 (mer., 21 juil. 2010) | 5 lines

  Issue #5395: check that array.fromfile() re-raises an IOError instead of replacing it
  with EOFError.
  (this is only an added test, but 2.x will get a fix too)
........
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 403f646..5b37896 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1228,8 +1228,14 @@
             PyMem_RESIZE(item, char, Py_SIZE(self)*itemsize);
             self->ob_item = item;
             self->allocated = Py_SIZE(self);
-            PyErr_SetString(PyExc_EOFError,
-                             "not enough items in file");
+            if (ferror(fp)) {
+                PyErr_SetFromErrno(PyExc_IOError);
+                clearerr(fp);
+            }
+            else {
+                PyErr_SetString(PyExc_EOFError,
+                                "not enough items in file");
+            }
             return NULL;
         }
     }