Use a larger amount of data for tests such as the interrupted_write

tests that depend on filling up an OS pipe so that they work properly
on systems configured with large pipe buffers.

Also a subprocess docstring update that i forgot was in my client when
i did the original 3.3 commit... easier to just leave that in here
with this one than go back and undo/redo.

1 files changed, 5 insertions, 2 deletions

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index c66bd63..20f359a 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -166,7 +166,7 @@ getoutput(cmd):
     '/bin/ls'
 
 check_output(*popenargs, **kwargs):
-    Run command with arguments and return its output as a byte string.
+    Run command with arguments and return its output.
 
     If the exit code was non-zero it raises a CalledProcessError.  The
     CalledProcessError object will have the return code in the returncode
@@ -545,7 +545,7 @@ def check_call(*popenargs, **kwargs):
 
 
 def check_output(*popenargs, timeout=None, **kwargs):
-    r"""Run command with arguments and return its output as a byte string.
+    r"""Run command with arguments and return its output.
 
     If the exit code was non-zero it raises a CalledProcessError.  The
     CalledProcessError object will have the return code in the returncode
@@ -563,6 +563,9 @@ def check_output(*popenargs, timeout=None, **kwargs):
     ...               "ls -l non_existent_file ; exit 0"],
     ...              stderr=STDOUT)
     b'ls: non_existent_file: No such file or directory\n'
+
+    If universal_newlines=True is passed, the return value will be a
+    string rather than bytes.
     """
     if 'stdout' in kwargs:
         raise ValueError('stdout argument not allowed, it will be overridden.')