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splitdata.py
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splitdata.py
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from __future__ import absolute_import, division, print_function, unicode_literals
from shutil import copyfile
import os
import random
import pathlib
import shutil
def split_data(SOURCE, TRAINING, TESTING, VALIDATION, SPLIT_SIZE):
files = []
for filename in os.listdir(SOURCE):
files.append(filename)
training_length = int(len(files) * SPLIT_SIZE)
testing_length = int((len(files) - training_length)/2)
validation_length = int((len(files) - training_length)/2)
shuffled_set = random.sample(files, len(files))
training_set = shuffled_set[0:training_length]
testing_set = shuffled_set[training_length:training_length+testing_length]
validation_set = shuffled_set[-validation_length:]
for filename in training_set:
this_file = os.path.join(SOURCE, filename)
destination = os.path.join(TRAINING, filename)
copyfile(this_file, destination)
for filename in testing_set:
this_file = os.path.join(SOURCE, filename)
destination = os.path.join(TESTING, filename)
copyfile(this_file, destination)
for filename in validation_set:
this_file = os.path.join(SOURCE, filename)
destination = os.path.join(VALIDATION, filename)
copyfile(this_file, destination)
if __name__== "__main__":
source_path = "Path to Source Folder"
split_size = 0.8
dataset_path = "Path to Dataset folder"
if os.path.exists(dataset_path):
shutil.rmtree(dataset_path)
os.mkdir(dataset_path)
os.mkdir(os.path.join(dataset_path,"Train"))
os.mkdir(os.path.join(dataset_path,"Test"))
os.mkdir(os.path.join(dataset_path,"Validation"))
for dirname in os.listdir(source_path):
os.mkdir(os.path.join(dataset_path,"Train",dirname))
os.mkdir(os.path.join(dataset_path,"Test",dirname))
os.mkdir(os.path.join(dataset_path,"Validation",dirname))
for dirname in os.listdir(source_path):
SOURCE_DIR = os.path.join(source_path, dirname)
TRAINING_DIR = os.path.join(dataset_path,"Train",dirname)
TESTING_DIR = os.path.join(dataset_path,"Test",dirname)
VALIDATION_DIR = os.path.join(dataset_path,"Validation",dirname)
split_data(SOURCE_DIR, TRAINING_DIR, TESTING_DIR, VALIDATION_DIR, split_size)
#print("{} {} {} {}".format(SOURCE_DIR,TRAINING_DIR,TESTING_DIR,VALIDATION_DIR))