pythonPackages.python-prctl: init at 1.7 (#42353)

pkgs/development/python-modules/python-prctl/skip_bad_tests.patch

@@ -0,0 +1,34 @@
+--- ./test_prctl.py	2018-01-26 16:02:52.000000000 -0500
++++ ./test_prctl.py	2018-06-21 18:26:43.370065009 -0400
+@@ -154,6 +154,7 @@
+         prctl.set_keepcaps(False)
+         self.assertEqual(prctl.get_keepcaps(), False)
+ 
++    @unittest.skip("No access to /proc in the Nix build sandbox")
+     @require('set_mce_kill')
+     def test_mce_kill(self):
+         """Test the MCE_KILL setting"""
+@@ -173,6 +174,7 @@
+         prctl.set_name(name)
+         self.assertEqual(prctl.get_name(), name[:15])
+ 
++    @unittest.skip("The Nix build sandbox has no_new_privs already enabled")
+     @require('get_no_new_privs')
+     def test_no_new_privs(self):
+         """Test the no_new_privs function"""
+@@ -189,6 +191,7 @@
+                 self.assertNotEqual(sp.returncode, 0)
+             os._exit(0)
+ 
++    @unittest.skip("No access to /proc in the Nix build sandbox")
+     def test_proctitle(self):
+         """Test setting the process title, including too long titles"""
+         title = "This is a test!"
+@@ -225,6 +228,7 @@
+             os._exit(0)
+         self.assertRaises(OSError, prctl.set_ptracer, new_pid)
+ 
++    @unittest.skip("The Nix build sandbox has seccomp already enabled")
+     @require('get_seccomp')
+     def test_seccomp(self):
+         """Test manipulation of the seccomp setting"""