Removed useless method.

src/zc/buildout/networkcache.py

@@ -46,25 +46,6 @@ def get_directory_key(url):
       return 'pypi-buildout-%s' % urlmd5
     return 'slapos-buildout-%s' % urlmd5
 
-def select_sha512sum_from_shadir(sha_dir, url, logger):
-    """It must return the sha512sum if exists on selected directory. """
-    directory_key = get_directory_key(url)
-
-    try:
-      nc = NetworkcacheClient(shadir=sha_dir)
-      data_list = nc.select(directory_key)
-    except (IOError, DirectoryNotFound, MultipleFileFoundError), e:
-      logger.info('Could not retrieve the information from SHADIR. %s' % e)
-      return None
-
-    urlmd5 = hashlib.md5(url).hexdigest()
-    for data in data_list:
-      information_dict, signature = data
-      if information_dict.get('urlmd5') == urlmd5:
-        return information_dict.get('sha512')
-
-    return None
-
 
 def download_network_cached(sha_dir, sha_cache, path, url, logger, md5sum=None):
     """Download from a network cache provider