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import gym
import pybrain
import random
from pybrain.datasets import SupervisedDataSet
from pybrain.tools.shortcuts import buildNetwork
from pybrain.supervised.trainers import BackpropTrainer
    
name = "CartPole-v0"
env = gym.make(name)
#env.monitor.start("/tmp/CartPole-v0-6")

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import time
start = time.time()

import re

# Returns the length of the recurring cycle of 1/num
def cycle_length(num):
	decimals = str(10**2000 // num)
	r = re.compile(r"([0-9]+?)\1+")				# Looks for non-overlapping repeating sequences
	length = max(r.findall(decimals), key=len)		# Length of longest repeating sequence

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import time
start = time.time()

# Given a string in the form 56**3, where * represents all possible digits, return
# True if and only if the size of the prime value family is >= famSize
def size_prime_family(num, famSize, primes):
	firstDigit = 0
	if num[0] == "*":
		firstDigit = 1

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#---------------------------- New method. Runs in ~0.23 seconds ----------------------------
import time
start = time.time()

# Create a prime sieve that tracks of the number of prime factors for each composite number
limit = 500000
numFactors = [0] * limit 	# Stores the number of prime factors for composite numbers (0 for primes)
for i in range(2, 10000):
	if numFactors[i-2] == 0:			# if i is prime
		numFactors[i-2] = 1

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import re

# Tests a re pattern against several tweets and sees how accurately it removes twitter handles
def test_re(pattern):
	# An array of tweets to test
	test_array = [
		# Simple example. Handles with just numbers should be allowed
		"@twitter hello @twi_tter_. hi @12345 @123news",
		# Handles are allowed to follow any of the following characters
		"@n`@n~@n(@n)@n-@n=@n+@n\\@n|@n[@n]@n{@n}@n;@n:@n'@n\"@n/@n?@n.@n,@n<@n>@n @n\n@n",

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How to set up localhost Users to test the front end for MP sharing

User 1: belongs to client group 'YCharts Staff'. This user will attempt to share model portfolios with 'YCharts Staff'. This user will alternate between share and view_only group_permission

User 2: also belongs to client group 'YCharts Staff. This user will be attempting to view / edit the model portfolios shared by User 1. This user will alternate between share and view_only group_permission

User 3: Does NOT belong to client group 'YCharts Staff'. This user should never be able to view or edit the model portfolios shared by User 1