def enable_buffering(self, size=5):
"""Enable buffering. Buffer `size` items before yielding them."""
if size <= 1:
raise ValueError('buffer size too small')
def generator(next):
buf = []
c_size = 0
push = buf.append
while 1:
try:
while c_size < size:
c = next()
push(c)
if c:
c_size += 1
except StopIteration:
if not c_size:
return
yield concat(buf)
del buf[:]
c_size = 0
self.buffered = True
self._next = get_next(generator(get_next(self._gen)))
def enable_buffering(self, size=5):
"""Enable buffering. Buffer `size` items before yielding them."""
if size <= 1:
raise ValueError('buffer size too small')
def generator(next):
buf = []
c_size = 0
push = buf.append
while 1:
try:
while c_size < size:
c = next()
push(c)
if c:
c_size += 1
except StopIteration:
if not c_size:
return
yield concat(buf)
del buf[:]
c_size = 0
self.buffered = True
self._next = get_next(generator(get_next(self._gen)))
def disable_buffering(self):
"""Disable the output buffering."""
self._next = get_next(self._gen)
self.buffered = False
def disable_buffering(self):
"""Disable the output buffering."""
self._next = get_next(self._gen)
self.buffered = False
def firstof(*items):
return get_next(ifilter(None, items))()
