1 files changed, 72 insertions, 0 deletions
diff --git a/o3d/site_scons/sync_tgz.py b/o3d/site_scons/sync_tgz.py
new file mode 100644
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+++ b/o3d/site_scons/sync_tgz.py
@@ -0,0 +1,72 @@
+#!/usr/bin/python2.4
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Keep a local directory in sync with a website tar file.
+
+This module downloads a tgz, and expands it as needed.
+It supports username and password with basic authentication.
+"""
+
+import os
+import shutil
+import tarfile
+import http_download
+
+
+def SyncTgz(url, target, username=None, password=None, verbose=True):
+  """Download a file from a remote server.
+
+  Args:
+    url: A URL to download from.
+    target: Directory to extract to and prefix to use for tgz file.
+    username: Optional username for download.
+    password: Optional password for download (ignored if no username).
+    verbose: Flag indicating if status shut be printed.
+  """
+  shutil.rmtree(target, True)
+  tgz_filename = target + '.tgz'
+
+  if verbose:
+    print 'Downloading %s to %s...' % (url, tgz_filename)
+  http_download.HttpDownload(url, tgz_filename,
+                             username=username, password=password)
+
+  if verbose:
+    print 'Extracting from %s...' % tgz_filename
+  tgz = tarfile.open(tgz_filename, 'r')
+  for m in tgz:
+    if verbose:
+      print m.name
+    tgz.extract(m, target)
+  tgz.close()
+  os.remove(tgz_filename)
+
+  if verbose:
+    print 'Update complete.'