[Python-checkins] cpython: support: add more info on temp_dir() and change_cwd() failure

[victor.stinner]

https://hg.python.org/cpython/rev/a35337a02a0e
changeset:   106467:a35337a02a0e
user:        Victor Stinner <victor.stinner at gmail.com>
date:        Wed Feb 08 12:25:00 2017 +0100
summary:
  support: add more info on temp_dir() and change_cwd() failure

Log the OSError exception message.

files:
  Lib/test/support/__init__.py |  10 ++++++----
  1 files changed, 6 insertions(+), 4 deletions(-)


diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -954,10 +954,11 @@
         try:
             os.mkdir(path)
             dir_created = True
-        except OSError:
+        except OSError as exc:
             if not quiet:
                 raise
-            warnings.warn('tests may fail, unable to create temp dir: ' + path,
+            warnings.warn(f'tests may fail, unable to create '
+                          f'temporary directory {path}: {exc}',
                           RuntimeWarning, stacklevel=3)
     try:
         yield path
@@ -981,10 +982,11 @@
     saved_dir = os.getcwd()
     try:
         os.chdir(path)
-    except OSError:
+    except OSError as exc:
         if not quiet:
             raise
-        warnings.warn('tests may fail, unable to change CWD to: ' + path,
+        warnings.warn(f'tests may fail, unable to change current working '
+                      f'directory to {path}: {exc}',
                       RuntimeWarning, stacklevel=3)
     try:
         yield os.getcwd()

-- 
Repository URL: https://hg.python.org/cpython