Merged revisions 87695 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r87695 | antoine.pitrou | 2011-01-03 19:23:55 +0100 (lun., 03 janv. 2011) | 5 lines

  Issue #10806, issue #9905: Fix subprocess pipes when some of the standard
  file descriptors (0, 1, 2) are closed in the parent process.  Initial
  patch by Ross Lagerwall.
........

1 files changed, 11 insertions, 0 deletions

diff --git a/Lib/test/support.py b/Lib/test/support.py
index 842cda6..3353053 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -10,6 +10,7 @@ import gc
 import socket
 import sys
 import os
+import re
 import platform
 import shutil
 import warnings
@@ -1056,3 +1057,13 @@ def reap_children():
                     break
             except:
                 break
+
+def strip_python_stderr(stderr):
+    """Strip the stderr of a Python process from potential debug output
+    emitted by the interpreter.
+
+    This will typically be run on the result of the communicate() method
+    of a subprocess.Popen object.
+    """
+    stderr = re.sub(br"\[\d+ refs\]\r?\n?$", b"", stderr).strip()
+    return stderr