python: 2.7.15 -> 2.7.16

pkgs/development/interpreters/python/cpython/2.7/default.nix

@@ -79,20 +79,6 @@ let
         sha256 = "0l9rw6r5r90iybdkp3hhl2pf0h0s1izc68h5d3ywrm92pq32wz57";
       })
 
-      # "`type_getattro()` calls `tp_descr_get(self, obj, type)` without actually owning a reference to "self".
-      # In very rare cases, this can cause a segmentation fault if "self" is deleted by the descriptor."
-      # https://github.com/python/cpython/pull/6118
-      (fetchpatch {
-        name = "type_getattro.patch";
-        url = "file://${./type_getattro.patch}";
-        sha256 = "11v9yx20hs3jmw0wggzvmw39qs4mxay4kb8iq2qjydwy9ya61nrd";
-      })
-
-      (fetchpatch {
-        name = "CVE-2018-1000802.patch";
-        url = "https://github.com/python/cpython/pull/8985.patch";
-        sha256 = "1c8nq2c9sjqa8ipl62hiandg6a7lzrwwfhi3ky6jd3pxgyalrh97";
-      })
     ] ++ optionals (x11Support && stdenv.isDarwin) [
       ./use-correct-tcl-tk-on-darwin.patch
     ] ++ optionals stdenv.isLinux [

pkgs/development/interpreters/python/cpython/2.7/type_getattro.patch

@@ -1,62 +0,0 @@
---- a/Objects/typeobject.c
-+++ b/Objects/typeobject.c
-@@ -3137,6 +3137,7 @@
-     PyTypeObject *metatype = Py_TYPE(type);
-     PyObject *meta_attribute, *attribute;
-     descrgetfunc meta_get;
-+    PyObject* res;
- 
-     if (!PyUnicode_Check(name)) {
-         PyErr_Format(PyExc_TypeError,
-@@ -3158,6 +3159,7 @@
-     meta_attribute = _PyType_Lookup(metatype, name);
- 
-     if (meta_attribute != NULL) {
-+        Py_INCREF(meta_attribute);
-         meta_get = Py_TYPE(meta_attribute)->tp_descr_get;
- 
-         if (meta_get != NULL && PyDescr_IsData(meta_attribute)) {
-@@ -3165,10 +3167,11 @@
-              * writes. Assume the attribute is not overridden in
-              * type's tp_dict (and bases): call the descriptor now.
-              */
--            return meta_get(meta_attribute, (PyObject *)type,
--                            (PyObject *)metatype);
-+            res = meta_get(meta_attribute, (PyObject *)type,
-+                           (PyObject *)metatype);
-+            Py_DECREF(meta_attribute);
-+            return res;
-         }
--        Py_INCREF(meta_attribute);
-     }
- 
-     /* No data descriptor found on metatype. Look in tp_dict of this
-@@ -3176,6 +3179,7 @@
-     attribute = _PyType_Lookup(type, name);
-     if (attribute != NULL) {
-         /* Implement descriptor functionality, if any */
-+        Py_INCREF(attribute);
-         descrgetfunc local_get = Py_TYPE(attribute)->tp_descr_get;
- 
-         Py_XDECREF(meta_attribute);
-@@ -3183,11 +3187,12 @@
-         if (local_get != NULL) {
-             /* NULL 2nd argument indicates the descriptor was
-              * found on the target object itself (or a base)  */
--            return local_get(attribute, (PyObject *)NULL,
--                             (PyObject *)type);
-+            res = local_get(attribute, (PyObject *)NULL,
-+                            (PyObject *)type);
-+            Py_DECREF(attribute);
-+            return res;
-         }
- 
--        Py_INCREF(attribute);
-         return attribute;
-     }
- 
---- /dev/null
-+++ b/Misc/NEWS.d/next/Core and Builtins/2018-03-14-21-42-17.bpo-25750.lxgkQz.rst	
-@@ -0,0 +1,2 @@
-+Fix rare Python crash due to bad refcounting in ``type_getattro()`` if a
-+descriptor deletes itself from the class.

pkgs/development/interpreters/python/default.nix

@@ -50,10 +50,10 @@ in {
     sourceVersion = {
       major = "2";
       minor = "7";
-      patch = "15";
+      patch = "16";
       suffix = "";
     };
-    sha256 = "0x2mvz9dp11wj7p5ccvmk9s0hzjk2fa1m462p395l4r6bfnb3n92";
+    sha256 = "1mqfcqp5y8r0bfyr7ppl74n0lig45p9mc4b8adlcpvj74rhfy8pj";
     inherit (darwin) CF configd;
     inherit passthruFun;
   };
@@ -153,4 +153,4 @@ in {
     ncurses = ncurses5;
   };
 
-})
+})