DecoratorUseCase.py

# with the help of decorators, keep track of the functions
# we would like to use for fitting
fit_functions = []

def fit_func(f):
  fit_functions.append(f)
  return f

class C(object):

  def __init__(self):
    ...

  @fit_func
  def fit1(self):
    """This is the first function"""
    ...

  @fit_func
  def fit2(self):
    """This is the second function"""
    ...

  ## This function is disabled by putting the decorator in a comment
  # @fit_func
  def fit3(self):
    """This is the third function"""
    ...


def main():

  c = C()

  for f in fit_functions:

    fit = f(c)

    print fit, f.__doc__

    ...