[buildinfo.debian.net] 01/02: Add a strict version of itertools.groupby

[Chris Lamb]

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lamby pushed a commit to branch master
in repository buildinfo.debian.net.

commit aaca641f968bf12eb2177460f8cf809d62ea3bd4
Author: Chris Lamb <lamby at debian.org>
Date:   Tue Nov 8 14:19:59 2016 +0000

    Add a strict version of itertools.groupby
---
 bidb/utils/itertools.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/bidb/utils/itertools.py b/bidb/utils/itertools.py
new file mode 100644
index 0000000..c75ee15
--- /dev/null
+++ b/bidb/utils/itertools.py
@@ -0,0 +1,9 @@
+from __future__ import absolute_import
+
+import itertools
+
+def groupby(iterable, keyfunc, sortfunc=lambda x: x):
+    return [
+        (x, list(sorted(y, key=sortfunc)))
+        for x, y in itertools.groupby(iterable, keyfunc)
+    ]

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