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"""symbolic helper functions"""

import theano
import theano.tensor as T
import lasagne
from lasagne.layers import *
import numpy as np

def get_mask(tokens,pad_ix=-1):
    assert tokens.ndim==2

justheuristic

# -*- coding: utf-8 -*- 
"""
a bunch of lasagne code implementing gumbel softmax
https://arxiv.org/abs/1611.01144
"""
import numpy as np
import theano
import theano.tensor as T
from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams
from lasagne.random import get_rng

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#http://chemspipy.readthedocs.io/en/latest/guide/install.html
import chemspipy as chpy

token = "<your token from http://chemspipy.readthedocs.io/en/latest/guide/intro.html#securitytoken>"
cs = chpy.ChemSpider(token)

n_samples = 10**5 #amount of molecules to save

import numpy as np