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bzr completer caches the commands (only runs bzr help commands on the first run)
bzr completer caches the commands (only runs bzr help commands on the first run)

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ipy_signals.py
61 lines | 1.7 KiB | text/x-python | PythonLexer
ville
initialization (no svn history)
r988 """ Advanced signal (e.g. ctrl+C) handling for IPython
So far, this only ignores ctrl + C in IPython file a subprocess
is executing, to get closer to how a "proper" shell behaves.
Other signal processing may be implemented later on.
If _ip.options.verbose is true, show exit status if nonzero
"""
import signal,os,sys
import IPython.ipapi
import subprocess
ip = IPython.ipapi.get()
def new_ipsystem_posix(cmd):
""" ctrl+c ignoring replacement for system() command in iplib.
Ignore ctrl + c in IPython process during the command execution.
The subprocess will still get the ctrl + c signal.
posix implementation
"""
p = subprocess.Popen(cmd, shell = True)
old_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
pid,status = os.waitpid(p.pid,0)
signal.signal(signal.SIGINT, old_handler)
if status and ip.options.verbose:
print "[exit status: %d]" % status
def new_ipsystem_win32(cmd):
""" ctrl+c ignoring replacement for system() command in iplib.
Ignore ctrl + c in IPython process during the command execution.
The subprocess will still get the ctrl + c signal.
win32 implementation
"""
old_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
status = os.system(cmd)
signal.signal(signal.SIGINT, old_handler)
if status and ip.options.verbose:
print "[exit status: %d]" % status
def init():
o = ip.options
try:
o.verbose
except AttributeError:
o.allow_new_attr (True )
o.verbose = 0
ip.IP.system = (sys.platform == 'win32' and new_ipsystem_win32 or
new_ipsystem_posix)
init()