extreme_startup.py

import re
from flask import Flask, request

app = Flask(__name__)

@app.route('/', endpoint='index')
def index():
    question = request.args.get("q", "").partition(": ")[2]
    answer = solve(question)
    print "\nQ: %s?\nA: %s" % (question, answer)
    return answer

solvers = {
    "what is your name": lambda m: "tkk",
    "what is the twitter id of the organizer of this dojo": lambda m: "@olemartin",
    "who played James Bond in the film Dr No": lambda m: "Sean Connery",
    "which city is the Eiffel tower in": lambda m: "Paris",
    "who is the Prime Minister of Great Britain": lambda m: "David Cameron",
    "what is ([\d]+) plus ([\d]*)": 
        lambda m: int(m.group(1)) + int(m.group(2)),
    "what is ([\d]+) multiplied by ([\d]*)": 
        lambda m: int(m.group(1)) * int(m.group(2)),
    "what is ([\d]*) minus ([\d]*)": 
        lambda m: int(m.group(1)) - int(m.group(2)),
    "which of the following numbers is the largest:(.*)": 
        lambda m: str(max([int(t) for t in m.group(1).split(", ")])),
    "what is ([\d]*) to the power of ([\d]*)": 
        lambda m: int(m.group(1))**int(m.group(2)),
    "which of the following numbers are primes:(.*)": 
        lambda m: first_prime([int(t) for t in m.group(1).split(", ")]),
    "what is the ([\d]*)th number in the Fibonacci sequence": 
        lambda m: fib(int(m.group(1))),
    "what is (.+)": lambda m: solve_math(m)
}

def solve(q):
    for pattern, fn in solvers.iteritems():
        m = re.match(pattern, q)
        if m:
            answer = fn(m)
            if answer: return str(answer)
    return "???"

def solve_math(m):
    try:
        exp = m.group(1) \
            .replace("plus", "+") \
            .replace("minus", "-") \
            .replace("multiplied by", "*")
        return eval(exp)
    except Exception:
        return None

def isprime(n):
    n = abs(int(n))
    if n < 2: return False
    if n == 2: return True    
    if not n & 1: return False
    for x in range(3, int(n**0.5)+1, 2):
        if n % x == 0:
            return False
    return True

def first_prime(tall):
    for t in tall:
        if isprime(t):
            return t

def memoize(fn):
    cache = {}
    def wrapper(arg):
        if arg in cache:
            return cache[arg]
        else:
            cache[arg] = fn(arg)
            return cache[arg]
    return wrapper

@memoize
def fib(a):
    if a in (0,1): return a
    return fib(a-1) + fib(a-2)

if __name__ == "__main__":
    app.run(debug=True, port=1337, host="localhost")