New python script for zone generation

Replace the old C# script with a python script to generate
WindowsZones.c, update to new location of XML

scripts/WindowsZones.csx

@@ -1,91 +0,0 @@
-/**
- * FreeRDP: A Remote Desktop Protocol Implementation
- * TZID to Windows TimeZone Identifier Table Generator
- *
- * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *	 http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/* Run with ' csi scripts/WindowsZones.csx' from freerdp checkout root */
-
-#r "System.Xml"
-
-using System;
-using System.IO;
-using System.Xml;
-using System.Text;
-using System.Collections;
-using System.Collections.Generic;
-
-/* 
- * this script uses windowsZones.xml which can be obtained at:
- * http://www.unicode.org/repos/cldr/tags/latest/common/supplemental/windowsZones.xml
- */
-
-string tzid, windows;
-const string file = @"winpr/libwinpr/timezone/WindowsZones.c";
-const string zonesUrl = @"http://www.unicode.org/repos/cldr/tags/latest/common/supplemental/windowsZones.xml";
-List<string> list = new List<string>();
-StreamWriter stream = new StreamWriter(file, false);
-XmlTextReader reader = new XmlTextReader(zonesUrl);
-
-Console.WriteLine("Updating " + file);
-stream.WriteLine("/* ");
-stream.WriteLine(" * Automatically generated with scripts/WindowsZones.csx");
-stream.WriteLine(" */ ");
-stream.WriteLine();
-
-stream.WriteLine("struct _WINDOWS_TZID_ENTRY");
-stream.WriteLine("{");
-stream.WriteLine("\tconst char* windows;");
-stream.WriteLine("\tconst char* tzid;");
-stream.WriteLine("};");
-stream.WriteLine("typedef struct _WINDOWS_TZID_ENTRY WINDOWS_TZID_ENTRY;");
-stream.WriteLine();
-
-while (reader.Read())
-{
-	switch (reader.NodeType)
-	{
-		case XmlNodeType.Element:
-
-			if (reader.Name.Equals("mapZone"))
-			{
-				tzid = reader.GetAttribute("type");
-				windows = reader.GetAttribute("other");
-			
-				string entry = String.Format("\"{0}\", \"{1}\"", windows, tzid);
-				
-				if (!list.Contains(entry))
-					list.Add(entry);
-			}
-		
-			break;
-	}
-}
-
-list.Sort();
-
-stream.WriteLine("const WINDOWS_TZID_ENTRY WindowsTimeZoneIdTable[] =");
-stream.WriteLine("{");
-
-foreach (string entry in list)
-{
-		stream.Write("\t{ ");
-		stream.Write(entry);
-		stream.WriteLine(" },");	
-}
-
-stream.WriteLine("};");
-
-stream.Close();

scripts/update-windows-zones.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import os
+import urllib.request
+import xml.etree.ElementTree as ET
+
+name = os.path.realpath(__file__)
+base = os.path.normpath(os.path.join(os.path.dirname(name), '..'))
+rname = os.path.relpath(name, base)
+zfile = os.path.join(base, 'winpr/libwinpr/timezone/WindowsZones.c')
+url = 'https://raw.githubusercontent.com/unicode-org/cldr/latest/common/supplemental/windowsZones.xml'
+
+try:
+    with urllib.request.urlopen(url) as response:
+        xml = response.read()
+        root = ET.fromstring(xml)
+        entries = []
+        for child in root.iter('mapZone'):
+            tzid = child.get('type')
+            windows = child.get('other')
+            entries += ['\t{ "' + windows + '", "' + tzid + '" },\n']
+        entries.sort()
+
+        with open(zfile, 'w') as f:
+            f.write('/*\n')
+            f.write(' * Automatically generated with ' + str(rname) + '\n')
+            f.write(' */\n')
+            f.write('\n')
+            f.write('#include "WindowsZones.h"\n')
+            f.write('\n')
+            f.write('const WINDOWS_TZID_ENTRY WindowsTimeZoneIdTable[] =\n')
+            f.write('{\n')
+            for entry in entries:
+                f.write(entry)
+            f.write('};\n')
+            f.write('\n');
+            f.write('const size_t WindowsTimeZoneIdTableNrElements = ARRAYSIZE(WindowsTimeZoneIdTable);\n')
+except Exception as e:
+    print('----------------------------------------------------')
+    print(str(e))
+    print('----------------------------------------------------')