| #!/usr/bin/python |
| # Run with no arguments from any directory, with no special setup required. |
| |
| import ftplib |
| import hashlib |
| import os |
| import re |
| import shutil |
| import string |
| import struct |
| import subprocess |
| import sys |
| import tarfile |
| import tempfile |
| |
| # Find the bionic directory, searching upward from this script. |
| bionic_libc_tools_zoneinfo_dir = os.path.realpath(os.path.dirname(sys.argv[0])) |
| bionic_libc_tools_dir = os.path.dirname(bionic_libc_tools_zoneinfo_dir) |
| bionic_libc_dir = os.path.dirname(bionic_libc_tools_dir) |
| bionic_dir = os.path.dirname(bionic_libc_dir) |
| bionic_libc_zoneinfo_dir = '%s/libc/zoneinfo' % bionic_dir |
| if not os.path.isdir(bionic_libc_tools_zoneinfo_dir) or not os.path.isdir(bionic_libc_zoneinfo_dir): |
| print "Couldn't find bionic/libc/tools/zoneinfo!" |
| sys.exit(1) |
| |
| |
| |
| |
| def current_tzdata_version(): |
| return open('%s/zoneinfo.version' % bionic_libc_zoneinfo_dir).readline().rstrip('\n') |
| |
| |
| # TODO: make the regular "generate" script just output this format directly. |
| |
| # Open the output file. |
| f = open('%s/tzdata' % bionic_libc_zoneinfo_dir, 'wb+') |
| |
| # -- header |
| # char[12] tzdata_version -- 'tzdata2012f\0' |
| # u32 file_format_version -- probably won't need this, but just in case |
| # u32 index_offset -- likewise |
| # u32 data_offset |
| # u32 zonetab_offset |
| header_format = "! 12s i i i i" |
| header_size = struct.calcsize(header_format) |
| |
| index_offset = header_size |
| index_bytes = open('%s/zoneinfo.idx' % bionic_libc_zoneinfo_dir, "rb").read() |
| index_size = len(index_bytes) |
| |
| data_offset = index_offset + index_size |
| data_bytes = open('%s/zoneinfo.dat' % bionic_libc_zoneinfo_dir).read() |
| data_size = len(data_bytes) |
| |
| zonetab_offset = 0 # TODO: data_offset + data_size |
| |
| tzdata_version = current_tzdata_version() |
| file_format_version = 1 |
| |
| header = struct.pack(header_format, 'tzdata%s' % tzdata_version, file_format_version, index_offset, data_offset, zonetab_offset) |
| f.write(header) |
| |
| # -- index (@index_offset) |
| # u8* index_bytes |
| f.write(index_bytes) |
| |
| # -- data (@data_offset) |
| # u8* data_bytes |
| f.write(data_bytes) |
| |
| # TODO: zonetab |
| # -- zonetab (@zonetab_offset) |
| # u8* zonetab_bytes |
| |
| f.close() |
| |
| sys.exit(0) |