[Python-checkins] cpython (3.4): The webbrowser module now uses subprocess's start_new_session=True rather
gregory.p.smith
python-checkins at python.org
Wed Aug 27 18:41:20 CEST 2014
http://hg.python.org/cpython/rev/a48ef19911ea
changeset: 92253:a48ef19911ea
branch: 3.4
parent: 92249:a94d9c981461
user: Gregory P. Smith <greg at krypto.org>
date: Wed Aug 27 09:34:38 2014 -0700
summary:
The webbrowser module now uses subprocess's start_new_session=True rather
than a potentially risky preexec_fn=os.setsid call.
files:
Lib/webbrowser.py | 15 ++++-----------
Misc/NEWS | 3 +++
2 files changed, 7 insertions(+), 11 deletions(-)
diff --git a/Lib/webbrowser.py b/Lib/webbrowser.py
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -159,10 +159,8 @@
if sys.platform[:3] == 'win':
p = subprocess.Popen(cmdline)
else:
- setsid = getattr(os, 'setsid', None)
- if not setsid:
- setsid = getattr(os, 'setpgrp', None)
- p = subprocess.Popen(cmdline, close_fds=True, preexec_fn=setsid)
+ p = subprocess.Popen(cmdline, close_fds=True,
+ start_new_session=True)
return (p.poll() is None)
except OSError:
return False
@@ -321,11 +319,6 @@
action = "openURL"
devnull = subprocess.DEVNULL
- # if possible, put browser in separate process group, so
- # keyboard interrupts don't affect browser as well as Python
- setsid = getattr(os, 'setsid', None)
- if not setsid:
- setsid = getattr(os, 'setpgrp', None)
try:
p = subprocess.Popen(["kfmclient", action, url],
@@ -343,7 +336,7 @@
p = subprocess.Popen(["konqueror", "--silent", url],
close_fds=True, stdin=devnull,
stdout=devnull, stderr=devnull,
- preexec_fn=setsid)
+ start_new_session=True)
except OSError:
# fall through to next variant
pass
@@ -356,7 +349,7 @@
p = subprocess.Popen(["kfm", "-d", url],
close_fds=True, stdin=devnull,
stdout=devnull, stderr=devnull,
- preexec_fn=setsid)
+ start_new_session=True)
except OSError:
return False
else:
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,9 @@
Library
-------
+- The webbrowser module now uses subprocess's start_new_session=True rather
+ than a potentially risky preexec_fn=os.setsid call.
+
- Issue #22236: Fixed Tkinter images copying operations in NoDefaultRoot mode.
- Issue #22191: Fix warnings.__all__.
--
Repository URL: http://hg.python.org/cpython
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