[cldr] Adding script to download latest cldr release instead of pulling from the repo

scripts/geodata/i18n/download_cldr.py

@@ -0,0 +1,29 @@
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+
+from cldr_data import CLDR_DIR
+
+CLDR_URL = 'http://www.unicode.org/Public/cldr/latest/core.zip'
+
+CLDR_DIR = os.path.join(this_dir, os.pardir, os.pardir, os.pardir,
+                        'data', 'unicode', 'cldr')
+
+
+def download_cldr(temp_dir=None):
+    if os.path.exists(CLDR_DIR):
+        shutil.rmtree(CLDR_DIR)
+        os.mkdir(CLDR_DIR)
+
+    if not temp_dir:
+        temp_dir = tempfile.gettempdir()
+
+    cldr_filename = os.path.join(temp_dir, CLDR_URL.rsplit('/', 1)[-1])
+
+    subprocess.check_call(['wget', CLDR_URL, '-O', cldr_filename])
+    subprocess.check_call(['unzip', cldr_filename, '-d', CLDR_DIR])
+
+if __name__ == '__main__':
+    download_cldr(*sys.argv[1:])