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except KeyError:
if self.strict:
raise ValueError('unknown event type {0!r}'.format(name))
mergeable = False
if mergeable and data is not None:
raise ValueError('mergable event can not have data attached')
with self.lock:
if mergeable:
# Check if such an event already exists.
for ev in self.events:
if ev.type == name:
return
self.events.append(self.Event(name, data, time.clock()))"
458,"def pop_event(self):
'''
Pop the next queued event from the queue.
:raise ValueError: If there is no event queued.
'''
with self.lock:
if not self.events:
raise ValueError('no events queued')
return self.events.popleft()"
459,"def pop_events(self):
'''
Pop all events and return a `collections.deque` object. The
returned container can be empty. This method is preferred over
`pop_event()` as it is much faster as the lock has to be acquired
only once and also avoids running into an infinite loop during
event processing.
'''
with self.lock:
events = self.events
self.events = collections.deque()
return events"
460,"def clear(self):
""""""
Clears the queue. Note that calling #wait*( immediately after clear can
still block when tasks are currently being processed since this method can
only clear queued items.
""""""
self._tasks -= len(self._deque)
self._deque.clear()
notify_all(self)"
461,"def get(self, block=True, timeout=None, method='pop'):
""""""
If *block* is True, this method blocks until an element can be removed from
the deque with the specified *method*. If *block* is False, the function
will raise #Empty if no elements are available.
# Arguments
block (bool): #True to block and wait until an element becomes available,
#False otherwise.
timeout (number, None): The timeout in seconds to use when waiting for
an element (only with `block=True`).
method (str): The name of the method to use to remove an element from the
queue. Must be either `'pop'` or `'popleft'`.
# Raises
ValueError: If *method* has an invalid value.
Timeout: If the *timeout* is exceeded.
""""""
if method not in ('pop', 'popleft'):
raise ValueError('method must be ""pop"" or ""popleft"": {0!r}'.format(method))
t_start = time.clock()
while not self:
if not block:
raise self.Empty
if timeout is None:
wait(self)
else:
t_delta = time.clock() - t_start
if t_delta > timeout:
raise Timeout
wait(self, timeout - t_delta)
return getattr(self, method)()"
462,"def wait(self, timeout=None):
""""""
Waits until all tasks completed or *timeout* seconds passed.
# Raises
Timeout: If the *timeout* is exceeded.
""""""
t_start = time.clock()
if not wait_for_condition(self, lambda s: s._tasks == 0, timeout):
raise Timeout"
463,"def sleep(self):
""""""
Sleeps until the interval has passed since the last time this function was