def idle(priority=0):
"""
Cause the calling greenlet to wait until the event loop is idle.
Idle is defined as having no other events of the same or higher
*priority* pending. That is, as long as sockets, timeouts or even
signals of the same or higher priority are being processed, the loop
is not idle.
.. seealso:: :func:`sleep`
"""
hub = get_hub()
watcher = hub.loop.idle()
if priority:
watcher.priority = priority
hub.wait(watcher)
python类long()的实例源码
def check_int(self):
if isinstance(self.data, int):
return True
if type(self.data) is long:
self.data = int(self.data)
return True
if type(self.data) is Decimal:
self.data = int(self.data)
return True
if isinstance(self.data, (str, unicode)):
import re
if re.match(r"\d+", self.data):
self.data = int(self.data)
return True
if self.data is None:
return True
self.error = self._MESSAGES[self.INT].format(data_type=type(self.data).__name__)
return False
def idle(priority=0):
"""
Cause the calling greenlet to wait until the event loop is idle.
Idle is defined as having no other events of the same or higher
*priority* pending. That is, as long as sockets, timeouts or even
signals of the same or higher priority are being processed, the loop
is not idle.
.. seealso:: :func:`sleep`
"""
hub = get_hub()
watcher = hub.loop.idle()
if priority:
watcher.priority = priority
hub.wait(watcher)
def start(self, callback, *args, **kw):
update = kw.get("update", True)
if update:
# Quoth the libev doc: "This is a costly operation and is
# usually done automatically within ev_run(). This
# function is rarely useful, but when some event callback
# runs for a very long time without entering the event
# loop, updating libev's idea of the current time is a
# good idea."
# So do we really need to default to true?
libev.ev_now_update(self.loop._ptr)
watcher.start(self, callback, *args)
def start(self, callback, *args, **kw):
update = kw.get("update", True)
if update:
# Quoth the libev doc: "This is a costly operation and is
# usually done automatically within ev_run(). This
# function is rarely useful, but when some event callback
# runs for a very long time without entering the event
# loop, updating libev's idea of the current time is a
# good idea."
# So do we really need to default to true?
libev.ev_now_update(self.loop._ptr)
watcher.start(self, callback, *args)
