Initial refactorings to support archiving the src and debian package builds.

tools/bots/bot_utils.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import hashlib
 import imp
 import os
+import string
 import subprocess
 import sys
 
 DART_DIR = os.path.abspath(
     os.path.normpath(os.path.join(__file__, '..', '..', '..')))
 
 def GetUtils():
   '''Dynamically load the tools/utils.py python module.'''
   return imp.load_source('utils', os.path.join(DART_DIR, 'tools', 'utils.py'))
 
@@ skipping 285 matching lines @@
   if not mangled_filename:
     mangled_filename = os.path.basename(filename)
 
   checksum = CalculateChecksum(filename)
   checksum_filename = '%s.md5sum' % filename
 
   with open(checksum_filename, 'w') as f:
     f.write('%s *%s' % (checksum, mangled_filename))
 
   return checksum_filename
+
+def GetChannelFromName(name):
+  """Get the channel from the name. Bleeding edge builders don't 
+      have a suffix."""
+  channel_name = string.split(name, '-').pop()
+  if channel_name in Channel.ALL_CHANNELS:
+    return channel_name
+  return Channel.BLEEDING_EDGE