# Copyright 2017 Erik Tollerud

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

from __future__ import print_function

import os

import re

import sys

import numpy as np

print ('Execturing catwrite.R script... R must be installed...')

retcode = os.system("R --no-save < catwrite.R")

if retcode != 0:

print('catwrite.R failed to execute. Perhaps you need to install R?')

sys.exit(retcode)

cats = {}

for fn in os.listdir():

match = re.match(r'cat(\d?\d)', fn)

if match:

print("Processing file", fn)

grpi = int(match.group(1))

with open(fn) as f:

rows = [r.strip().split('"')[-1] for r in list(f)[1:]]

arr = np.array([[float(e) for e in row.split()] for row in rows])

assert arr.dtype != 'O'

cats[grpi] = arr

print('Removing', fn)

os.remove(fn)

# most of the cats should be the same shape, and begin at 216 (except for Nyan cat)

catstack = []

for num, cat in cats.items():

if cat.shape == (72, 288):

catstack.append(cat[:, 216:])

assert len(catstack) == len(cats)-1

catstack = np.array(catstack)

print('Saving cat stack as cats.npy')

np.save('cats', catstack)