From 9d5529108a95bc43303e64285cc7fe4afa314926 Mon Sep 17 00:00:00 2001
From: Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk>
Date: Thu, 16 Nov 2017 14:21:57 +0000
Subject: [PATCH] Strip address from ctx_factory.__str__

This way, pytest is able to collect tests in parallel.

Otherwise, different test slaves think they have collected different
tests because the address of the context differs.
---
 pyopencl/tools.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pyopencl/tools.py b/pyopencl/tools.py
index d974980b..6a72ee97 100644
--- a/pyopencl/tools.py
+++ b/pyopencl/tools.py
@@ -242,7 +242,10 @@ def pytest_generate_tests_for_pyopencl(metafunc):
             return cl.Context([self.device])
 
         def __str__(self):
-            return "<context factory for %s>" % self.device
+            # Don't show address, so that parallel test collection works
+            return ("<context factory for <pyopencl.Device '%s' on '%s'>" %
+                    (self.device.name.strip(),
+                     self.device.platform.name.strip()))
 
     test_plat_and_dev = get_test_platforms_and_devices()
 
-- 
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