def convert_to_sbml():
  """Handles conversion to sbml requests, that is a request to convert a
     model from Bio-PEPA to SBML
  """
  convert_id = request.form["convert_id"]
  new_text = "Calculating ..."
  datastore.update_model_field(None, convert_id, "modelsbml", new_text)
  command = [ "python", "web-biopepa-latex/execute_command.py", 
              "convert_to_sbml", "5", convert_id ]
  _process = Popen(command)
  return redirect(url_for('show_entries'))
def convert_to_latex(timeout, database, arguments):
  """ The method for converting a model to LaTeX """
  convert_id = int(arguments[0])
  model_source = datastore.get_model_source(database, convert_id)

  # Basically makes the method the same but with a timeout of
  # the given timeout.
  convert_method = timeouts.timeout(timeout)
  convert = convert_method(biopepa_to_latex.convert_source)

  try:
    new_text = convert(model_source)
    datastore.update_model_field(database, convert_id, "latex", new_text)
  except parcon.ParseException as parse_exception:
    message = "Operation to convert to LaTeX failed due to a parse error: "
    message += str(parse_exception)
    datastore.update_model_field(database, convert_id, "latex", "")
    datastore.add_error(database, convert_id, message)
  except timeouts.TimeoutError:
    message = "Operation to convert to LaTeX timed-out"
    datastore.update_model_field(database, convert_id, "latex", "")
    datastore.add_error(database, convert_id, message)