--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/tz.py	Sat Sep 18 18:56:22 2010 +0000
@@ -0,0 +1,55 @@
+"""
+This program generates the data used by the timezone.js Javascript.
+This data is used to create the 2 dropdown select boxes for timezones.
+"""
+import pytz
+from pprint import pprint
+
+def format_locations(locs):
+    ss = ["[%s]" % ", ".join(["'%s'" % l for l in loc]) for loc in locs]
+    return "%s" % ",\n".join(ss)
+
+# get a list of areas
+
+zones = [z.split('/') for z in pytz.common_timezones]
+areas = set([zone[0] for zone in zones if len(zone) > 1])
+areas = list(areas)
+areas.sort()
+
+locations = dict([(area, []) for area in areas])
+
+#pprint(locations)
+
+for zone in pytz.common_timezones:
+    if zone.count('/') == 0:
+        continue
+    area, loc = zone.split('/', 1)
+    if area in locations:
+        locations[area].append(loc.replace('_', ' '))
+
+#pprint(locations)
+
+for area in locations.iterkeys():
+    locations[area].sort()
+
+locs = []
+for area in areas:
+    locs.append(locations[area])
+
+#pprint(locs)
+
+default_area = areas.index('US')
+default_location = locs[default_area].index('Pacific')
+
+print """\
+var gcalTzInfo = {
+    areas: [%s],
+    locations: [%s],
+    default_area: %s,
+    default_location: %s
+};
+""" % (", ".join(["'%s'" % area for area in areas]), 
+        format_locations(locs),
+        default_area,
+        default_location,
+        )