docs: def getinputfilename(self, inputtemplate, filename):
          """Determine the final filename for an input file given an inputtemplate and a given filename.
  
          Example::
  
              filenameonserver = client.getinputfilename("someinputtemplate","/path/to/local/file")
  
          """
          if inputtemplate.filename:
              filename = inputtemplate.filename
          elif inputtemplate.extension:
              if filename.lower()[-4:] == '.zip' or filename.lower()[-7:] == '.tar.gz' or filename.lower()[-8:] == '.tar.bz2':
                  #pass archives as-is
                  return filename
  
              if filename[-len(inputtemplate.extension) - 1:].lower() != '.' +  inputtemplate.extension.lower():
                  filename += '.' + inputtemplate.extension
  
          return filename