From d771514f5aa3431a4f2302830aceb3c555ddb547 Mon Sep 17 00:00:00 2001
From: Jeremy Fee <jmfee@usgs.gov>
Date: Fri, 20 May 2016 11:30:00 -0600
Subject: [PATCH] Make IAGAWriter pad a copy of the channels list, instead of
the original
---
geomagio/iaga2002/IAGA2002Writer.py | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/geomagio/iaga2002/IAGA2002Writer.py b/geomagio/iaga2002/IAGA2002Writer.py
index 10cec07de..b74bcc2be 100644
--- a/geomagio/iaga2002/IAGA2002Writer.py
+++ b/geomagio/iaga2002/IAGA2002Writer.py
@@ -37,7 +37,7 @@ class IAGA2002Writer(object):
(channel, str(TimeseriesUtility.get_channels(timeseries))))
stats = timeseries[0].stats
if len(channels) != 4:
- self._pad_to_four_channels(timeseries, channels)
+ channels = self._pad_to_four_channels(timeseries, channels)
out.write(self._format_headers(stats, channels))
out.write(self._format_comments(stats))
out.write(self._format_channels(channels, stats.station))
@@ -247,10 +247,12 @@ class IAGA2002Writer(object):
for val in values])
def _pad_to_four_channels(self, timeseries, channels):
+ padded = channels[:]
for x in range(len(channels), 4):
channel = self.empty_channel
- channels.append(channel)
+ padded.append(channel)
timeseries += create_empty_trace(timeseries[0], channel)
+ return padded
@classmethod
def format(self, timeseries, channels):
--
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