From bfd6a16a1f8c15b037b6d6208cde0c6f437db1e8 Mon Sep 17 00:00:00 2001
From: "Dr. Tilmann Bubeck" <tilmann@bubecks.de>
Date: Tue, 10 Sep 2024 20:41:27 +0200
Subject: [PATCH] igc/reader: fix for HFTZN to handle timezone that is not
 integer (#306)

---
 CHANGELOG.rst            |  4 ++++
 aerofiles/igc/reader.py  |  2 +-
 tests/igc/test_reader.py | 20 ++++++++++++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index bc80854..d76bdb8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,10 @@ Changelog
 
 Here you can see the full list of changes between each aerofiles release.
 
+aerofiles vXXX, 2024-XX-YYYY
+----------------------------
+- igc/reader: fix for HFTZN to handle timezone that is not integer
+
 aerofiles v1.3.1, 2024-08-12
 ----------------------------
 - messed up v1.3.0 deployment. Redeploy as v1.3.1 without any changes.
diff --git a/aerofiles/igc/reader.py b/aerofiles/igc/reader.py
index 0d40adc..e4969d7 100644
--- a/aerofiles/igc/reader.py
+++ b/aerofiles/igc/reader.py
@@ -578,7 +578,7 @@ def decode_H_competition_class(value):
 
     @staticmethod
     def decode_H_time_zone_offset(value):
-        return {'time_zone_offset': int(float(value))}
+        return {'time_zone_offset': float(value)}
 
     @staticmethod
     def decode_H_mop_sensor(value):
diff --git a/tests/igc/test_reader.py b/tests/igc/test_reader.py
index be4f5fc..ec13769 100644
--- a/tests/igc/test_reader.py
+++ b/tests/igc/test_reader.py
@@ -518,6 +518,26 @@ def test_decode_H_time_zone_offset2():
     assert LowLevelReader.decode_H_record(line) == expected_result
 
 
+def test_decode_H_time_zone_offset3():
+    line = 'HFTZNTIMEZONE:4.5\r\n'
+    expected_result = {
+        'source': 'F',
+        'time_zone_offset': 4.5
+    }
+
+    assert LowLevelReader.decode_H_record(line) == expected_result
+
+
+def test_decode_H_time_zone_offset4():
+    line = 'HFTZNTIMEZONE:-4.5\r\n'
+    expected_result = {
+        'source': 'F',
+        'time_zone_offset': -4.5
+    }
+
+    assert LowLevelReader.decode_H_record(line) == expected_result
+
+
 def test_decode_H_mop_sensor():
     line = 'HFMOPSENSOR:MOP-(SN:1,ET=1375,0,1375,0,3.05V,p=0),Ver:0\r\n'
     expected_result = {