docs: def getFileLink(self, full_path):
          """Get a link of file
  
              >>> file_link = nd.getFileLink('/Picture/flower.png')
          
          :param full_path: The full path of file to get file link. Path should start and  end with '/'.
  
          :return: ``Shared url`` or ``False`` if failed to share a file or directory through url
          """
          prop = self.getProperty(full_path)
  
          if not prop:
              print "Error getFileLink: wrong full_path"
              return False
          else:
              prop_url = prop['filelinkurl']
              if prop_url:
                  print "URL: " + prop_url
                  return prop_url
              else:
                  resourceno = prop["resourceno"]
                  url = self.createFileLink(resourceno)
  
                  if url:
                      return url
                  else:
                      return False