From 9692611e9752bd8036ff2bad33704b862fbcfcc9 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 23 Apr 2025 20:08:24 +0200
Subject: common_gdal.py: Use OGR_TZFLAG_UTC rather than hardcoding its value
 100.

Cf. https://gdal.org/en/stable/api/vector_c_api.html#c.OGR_TZFLAG_UTC .
---
 common_gdal.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'common_gdal.py')

diff --git a/common_gdal.py b/common_gdal.py
index aa451ae..17ed1bc 100644
--- a/common_gdal.py
+++ b/common_gdal.py
@@ -159,10 +159,10 @@ def formatTZFlag(tzFlag : int) -> str:
     if tzFlag == ogr.TZFLAG_UTC:
         return 'UTC'
 
-    tzOffset = abs(tzFlag - 100) * 15
+    tzOffset = abs(tzFlag - ogr.TZFLAG_UTC) * 15
     tzHour = int(tzOffset / 60)
     tzMinute = int(tzOffset % 60)
-    tzSign = '+' if tzFlag > 100 else '-'
+    tzSign = '+' if tzFlag > ogr.TZFLAG_UTC else '-'
     return f'{tzSign}{tzHour:02}{tzMinute:02}'
 
 def fromGeomTypeName(name : str) -> int:
@@ -346,7 +346,7 @@ def parseTimeZone(tz : str) -> int:
         raise BadConfiguration(f'Invalid timezone "{tz}"')
     tzFlag = tzHour*4 + int(tzMinute/15)
     if tzSign == '-':
-        tzFlag = 100 - tzFlag
+        tzFlag = ogr.TZFLAG_UTC - tzFlag
     else:
-        tzFlag += 100
+        tzFlag += ogr.TZFLAG_UTC
     return tzFlag
-- 
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