Random Title File | Python Fiddle

'''
Created on Apr 29, 2014

@author: bob
'''

import random
import re

productions = {
    'topics': [
        'Quantum Physics',
        'morality',
        'mortality',
        'space exploration',
        'continental philosophy',
        'mathematics',
        'chemistry',
        'politics',
        'biology',
        'astronomy',
        'geology',
        'painting',
        'Art',
        'equality',
        'computers',
        'political utopia',
        'architecture',
        'community',
        'using the Fibonacci sequence'
        
        
    ],
 
    'other': [
        'bacon',
        'bourbon',
        'beer',
        'jam bands',
        'triathlon',
        'cycling',
        'ocd',
        'anxiety',
        'depression',
        'lonliness',
        'failure',
        'career',
        'self',
        'comic books',
        'cognitive behavioral therapy',
        'body image',
        'identity', 
        'self-worth',
        'genealogy/ancestry', 
        'modernism',
        'abstraction',
        'art history',
        'science fiction',
        'One if by land, Two if by Sea',
        'Mies van der Rohe (Jesus built my hot rod)',
        'If you like Clyfford Still, you need your head examined',
        'What would Douglas Adams do?'
              
    ],
 
    'scale': [
        'quantum',
        'atomic',
        'molecular',
        'chemical',
        'cellular',
        'body',
        'family',
        'home',
        'neighborhood',
        'urban',
        'state',
        'regional',
        'national',
        'global',
        'solar',
        'galactic',
        'universal',
        
    ],

'title': [
        'The ${topics} of ${other}.',
        'Comparison of ${topics} & ${topics} on a ${scale} scale.',
        'exploration the ${topics} of ${other} on a ${scale} scale.',
        'comparison of ${topics} with ${other}.',
        'comparison of ${other} and ${other}.',
        '${other}.'
        ],
}

def randomly_generated(nt):
    template = random.choice(productions[nt])
    def replace(match):
        return randomly_generated(match.group(1))
    return re.sub(r'\$\{(\w+)\}', replace, template)
 
randomly_generated('title')

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