def __init__(self, ignoreempty=False):
if (Readline.singleton):
raise Exception, 'only one Readline agent may exist'
sched.Agent.__init__(self)
self.prompt = '> '
self.ignoreempty = ignoreempty
self.incomplete = ''
try:
readline.set_erase_empty_line(1)
readline.set_event_hook(event_hook)
readline.set_startup_hook(startup_hook)
except:
print """
Hello, Pythoneer! This is the zymb.readlineagent module. I need
some features which your standard Python readline module does not
support. Go to <http://www.eblong.com/zarf/zymb/> for my hacked-up
readline code. I apologize for the inconvenience.
"""
raise
Readline.singleton = self
this module "owns" SIGALRM, and all timing functions associated with it.
This means that you should not use the stock time.sleep() function when
using this module. Instead, use get_scheduler().sleep(x) to sleep.
"""
import signal
from errno import EINTR
from pycopia import itimer
alarm = itimer.alarm # allows subsecond precision using floats
# enables custom readline module to process Python signal handlers when idle
import readline
try:
readline.set_event_hook(lambda:None)
except AttributeError:
pass # not a modified readline module :-(
del readline
__all__ = ["get_scheduler"]
# Save a function call by making a simple reference.
sleep = itimer.absolutesleep
def insort(a, x, lo=0, hi=None):
if hi is None:
hi = len(a)
while lo < hi:
mid = (lo+hi) // 2
if x < a[mid]:
def get_poller(): global poller return poller # a singleton instance of the SIGIOHandler. Usually, users of this module only # have to register a DirectoryNotifier object here. Other objects (Dispatcher # objects) are registered with the poller (which is already set up to be called # when SIGIO occurs). But you may add your own hooks to it. manager = None def start_sigio(): global manager if manager is None: manager = SIGIOHandler() # add the local poller instance to the signal handler. manager.register(lambda: poller.poll(0)) else: manager.on() def stop_sigio(): global manager if manager is not None: manager.off() start_sigio() import readline readline.set_event_hook(lambda: poller.poll(0)) del readline