1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/python/tqdm/tqdm/contrib/itertools.py b/third_party/python/tqdm/tqdm/contrib/itertools.py
new file mode 100644
index 0000000000..9cce75e8f8
--- /dev/null
+++ b/third_party/python/tqdm/tqdm/contrib/itertools.py
@@ -0,0 +1,36 @@
+"""
+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:
+        for i in itertools.product(*iterables):
+            yield i
+            t.update()