1This directory contains tools for time zone updates. 2 3Data update tools 4================= 5 6download-iana-data.py 7 - A helper script run before update-tzdata.py. 8 It downloads the latest tzdata update from IANA and puts it in 9 the system/timezone/input_data/iana directory for use by the 10 update-tzdata.py script. 11 12 There are sometimes code and metadata changes associated 13 with tzdata updates that should be applied to ICU at the same time. 14 e.g. see http://bugs.icu-project.org/trac/search?q=2015d 15 16update-tzdata.py 17 - Regenerates the external/icu and system/timezone/output_data timezone 18 data files. 19 20 CTS tests for ICU, bionic and libcore should be run before and after. 21 22