From e3c65b64d901a14f53da10f4db716f4853c17c90 Mon Sep 17 00:00:00 2001
From: Duncan Macleod <duncan.macleod@ligo.org>
Date: Tue, 5 Mar 2019 09:27:14 -0600
Subject: [PATCH] gwsumm.data: warn about noop resample, then skip

---
 gwsumm/data/timeseries.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gwsumm/data/timeseries.py b/gwsumm/data/timeseries.py
index b4580fa1..505c05d6 100644
--- a/gwsumm/data/timeseries.py
+++ b/gwsumm/data/timeseries.py
@@ -867,7 +867,13 @@ def resample_timeseries_dict(tsd, nproc=1, **sampling_dict):
     # define resample function (must take single argument)
     def _resample(args):
         ts, fs = args
-        if fs:
+        if fs and units.Quantity(fs, "Hz") == ts.sample_rate:
+            warnings.warn(
+                "requested resample rate for {0} matches native rate ({1}), "
+                "please update configuration".format(ts.name, ts.sample_rate),
+                UserWarning,
+            )
+        elif fs:
             return ts.resample(fs, ftype='fir', window='hamming')
         return ts