def get_flow_stats_deltas(pairs, attr):
"""Yield pairs (time, value) for increments in input pairs using attribute 'attr'."""
for (start_time, fs1), (end_time, fs2) in lib.pairwise(pairs):
delta = end_time - start_time
value = (getattr(fs2, attr) - getattr(fs1, attr)) / delta
yield end_time, value
def get_flow_stats_deltas(pairs, attr):
"""Yield pairs (time, value) for increments in input pairs using attribute 'attr'."""
for (start_time, fs1), (end_time, fs2) in lib.pairwise(pairs):
delta = end_time - start_time
value = (getattr(fs2, attr) - getattr(fs1, attr)) / delta
yield end_time, value
def test_pairwise(self):
lst = [0, 1, 2, 3, 4]
self.assertEqual(list(lib.pairwise(lst)), [(0, 1), (1, 2), (2, 3),
(3, 4)])
def test_pairwise(self):
lst = [0, 1, 2, 3, 4]
self.assertEqual(list(lib.pairwise(lst)), [(0, 1), (1, 2), (2, 3), (3, 4)])