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"""
Thin wrappers around `itertools`.
"""
from __future__ import absolute_import
import itertools
from ..auto import tqdm as tqdm_auto
__author__ = {"github.com/": ["casperdcl"]}
__all__ = ['product']
def product(*iterables, **tqdm_kwargs):
"""
Equivalent of `itertools.product`.
Parameters
----------
tqdm_class : [default: tqdm.auto.tqdm].
"""
kwargs = tqdm_kwargs.copy()
tqdm_class = kwargs.pop("tqdm_class", tqdm_auto)
try:
lens = list(map(len, iterables))
except TypeError:
total = None
else:
total = 1
for i in lens:
total *= i
kwargs.setdefault("total", total)
with tqdm_class(**kwargs) as t:
it = itertools.product(*iterables)
for i in it:
yield i
t.update()
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