def GetComponentInformation(self):
"""Return number of components and average size per component."""
loc = self.GetLocation()
if not os.path.exists(loc) or not os.path.isdir(loc):
return 0, 0
size, files = common.DatabaseDirectorySize(loc, self.db.FileExtension())
if files:
return files, int(float(size) / float(files))
return 0, 0
def Size(self):
root_path = self.Location()
if not os.path.exists(root_path):
# Database does not exist yet.
return 0
if not os.path.isdir(root_path):
# Database should be a directory.
raise IOError("expected SQLite directory %s to be a directory" %
root_path)
size, _ = common.DatabaseDirectorySize(root_path, self.FileExtension())
return size
