jenkins-bot has submitted this change and it was merged.

Change subject: Import daemonize from compat ......................................................................

Import daemonize from compat

Minor pep changes.

Bug: T89581 Change-Id: I8daac25c55ad4961b75641b44edbd218760d9186 --- A pywikibot/daemonize.py M tox.ini 2 files changed, 64 insertions(+), 0 deletions(-)

Approvals: John Vandenberg: Looks good to me, but someone else must approve Ladsgroup: Looks good to me, approved jenkins-bot: Verified

diff --git a/pywikibot/daemonize.py b/pywikibot/daemonize.py new file mode 100644 index 0000000..d0b5ae5 --- /dev/null +++ b/pywikibot/daemonize.py @@ -0,0 +1,63 @@ +# -*- coding: utf-8 -*- +"""Module to daemonize the current process on Unix.""" +# +# (C) Pywikibot team, 2007-2013 +# +# Distributed under the terms of the MIT license. +# +__version__ = '$Id$' +# + +import os +import sys + +is_daemon = False + + +def daemonize(close_fd=True, chdir=True, write_pid=False, redirect_std=None): + """ + Daemonize the current process. + + Only works on POSIX compatible operating systems. + The process will fork to the background and return control to the terminal. + + Arguments: + - close_fd: Close the standard streams and replace them by /dev/null + - chdir: Change the current working directory to / + - write_pid: Write the pid to sys.argv[0] + '.pid' + - redirect_std: Filename to redirect stdout and stdin to + """ + # Fork away + if not os.fork(): + # Become session leader + os.setsid() + # Fork again to prevent the process from acquiring a + # controlling terminal + pid = os.fork() + if not pid: + global is_daemon + is_daemon = True + + if close_fd: + os.close(0) + os.close(1) + os.close(2) + os.open('/dev/null', os.O_RDWR) + if redirect_std: + os.open(redirect_std, os.O_WRONLY | os.O_APPEND) + else: + os.dup2(0, 1) + os.dup2(1, 2) + if chdir: + os.chdir('/') + return + else: + # Write out the pid + f = open(os.path.basename(sys.argv[0]) + '.pid', 'w') + f.write(str(pid)) + f.close() + os._exit(0) + else: + # Exit to return control to the terminal + # os._exit to prevent the cleanup to run + os._exit(0) diff --git a/tox.ini b/tox.ini index da80421..80ee993 100644 --- a/tox.ini +++ b/tox.ini @@ -42,6 +42,7 @@ pywikibot/comms/rcstream.py \ pywikibot/compat/ \ pywikibot/config2.py \ + pywikibot/daemonize.py \ pywikibot/data/__init__.py \ pywikibot/data/api.py \ pywikibot/data/wikistats.py \