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#!/usr/bin/python
from dateutil.zoneinfo import rebuild
import shutil
import sys
import os
import re
SERVER = "elsie.nci.nih.gov"
DIR = "/pub"
NAME = re.compile("tzdata(.*).tar.gz")
def main():
if len(sys.argv) == 2:
tzdata = sys.argv[1]
else:
from ftplib import FTP
print "Connecting to %s..." % SERVER
ftp = FTP(SERVER)
print "Logging in..."
ftp.login()
print "Changing to %s..." % DIR
ftp.cwd(DIR)
print "Listing files..."
for name in ftp.nlst():
if NAME.match(name):
break
else:
sys.exit("error: file matching %s not found" % NAME.pattern)
if os.path.isfile(name):
print "Found local %s..." % name
else:
print "Retrieving %s..." % name
file = open(name, "w")
ftp.retrbinary("RETR "+name, file.write)
file.close()
ftp.close()
tzdata = name
if not tzdata or not NAME.match(tzdata):
sys.exit("Usage: updatezinfo.py tzdataXXXXX.tar.gz")
print "Updating timezone information..."
rebuild(tzdata, NAME.match(tzdata).group(1))
print "Done."
if __name__ == "__main__":
main()