def eat(iterator, amount):
"""Advance an iterator n-steps ahead. If n is None, eat entirely.
Taken from the Python documentation. Under the PSF license.
:param iterator:
An iterator.
:param amount:
The number of steps to advance.
:yields:
An iterator.
"""
# Use functions that consume iterators at C speed.
if amount is None:
# Feed the entire iterator into a zero-length deque.
collections.deque(iterator)
else:
# Advance to the empty slice starting at position n.
builtins.next(itertools.islice(iterator, amount, amount), None)
def eat(iterator, amount):
"""Advance an iterator n-steps ahead. If n is None, eat entirely.
Taken from the Python documentation. Under the PSF license.
:param iterator:
An iterator.
:param amount:
The number of steps to advance.
:yields:
An iterator.
"""
# Use functions that consume iterators at C speed.
if amount is None:
# Feed the entire iterator into a zero-length deque.
collections.deque(iterator)
else:
# Advance to the empty slice starting at position n.
builtins.next(itertools.islice(iterator, amount, amount), None)
def nth(iterable, index, default=None):
"""Returns the nth element out of an iterable.
:param iterable:
Iterable sequence.
:param index:
Index
:param default:
If not found, this or ``None`` will be returned.
:returns:
nth element of the iterable sequence.
"""
return builtins.next(itertools.islice(iterable, index, None), default)
def nth(iterable, index, default=None):
"""Returns the nth element out of an iterable.
:param iterable:
Iterable sequence.
:param index:
Index
:param default:
If not found, this or ``None`` will be returned.
:returns:
nth element of the iterable sequence.
"""
return builtins.next(itertools.islice(iterable, index, None), default)
def walker(path, topdown=topdown, followlinks=followlinks):
"""Alternative walker."""
yield builtins.next(os.walk(path,
topdown=topdown,
followlinks=followlinks))
def walker(path, topdown=topdown, followlinks=followlinks):
"""Alternative walker."""
yield builtins.next(
os.walk(path, topdown=topdown, followlinks=followlinks))
