From 1e0da90e7b0806f7ec175c6d60b78938dd7a1634 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20Elio=20Petten=C3=B2?= <flameeyes@flameeyes.eu>
Date: Sun, 15 Jan 2017 13:24:46 +0000
Subject: Move the readings-to-csv conversion to the Reading class.

---
 glucometer.py             | 4 +---
 glucometerutils/common.py | 6 ++++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/glucometer.py b/glucometer.py
index 8e19237..148daff 100755
--- a/glucometer.py
+++ b/glucometer.py
@@ -76,9 +76,7 @@ def main():
           readings, key=lambda reading: getattr(reading, args.sort_by))
 
       for reading in readings:
-        print('"%s","%.2f","%s","%s"' % (
-          reading.timestamp, reading.get_value_as(unit),
-          reading.meal, reading.comment))
+        print(reading.as_csv(unit))
     elif args.action == 'datetime':
       if args.set == 'now':
         print(device.set_datetime())
diff --git a/glucometerutils/common.py b/glucometerutils/common.py
index 1e7e7f8..ac5c931 100644
--- a/glucometerutils/common.py
+++ b/glucometerutils/common.py
@@ -84,6 +84,12 @@ class Reading(_ReadingBase):
     """
     return convert_glucose_unit(self.value, UNIT_MGDL, to_unit)
 
+  def as_csv(self, unit):
+    """Returns the reading as a formatted comma-separated value string."""
+    return '"%s","%.2f","%s","%s"' % (
+      self.timestamp, self.get_value_as(unit), self.meal, self.comment)
+
+
 _MeterInfoBase = collections.namedtuple(
   '_MeterInfoBase', ['model', 'serial_number', 'version_info', 'native_unit'])
 
-- 
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