def train(self, stream, noparagraphs=False):
"""Train a new markov chain, overwriting the existing one.
"""
training_data = tokenise.Tokeniser(stream=stream,
noparagraphs=noparagraphs)
self.markov.train(training_data)
self.generator = None
def train_more(self, stream, noparagraphs=False):
"""Add some data to an existing chain.
"""
if self.markov is None:
raise MarkovStateError("No markov chain loaded!")
training_data = tokenise.Tokeniser(stream=stream,
noparagraphs=noparagraphs)
self.markov.train(training_data)
self.generator = None # Reinitialize the generator