start_queue_runners

start.py

import tensorflow as tf
from glob import glob

folder = './data/*.jpg'

def create_graph():
    filename_queue = tf.train.string_input_producer(list(glob(folder)))

    reader = tf.TextLineReader()
    key, value = reader.read(filename_queue)

    image_decoded_A = tf.image.decode_jpeg(value, channels=3)
    return image_decoded_A, key


def main():
    with tf.Session() as sess:
        coord = tf.train.Coordinator()
        threads = tf.train.start_queue_runners(coord=coord)
        img, fname = create_graph()
        data = sess.run(img)
        coord.request_stop()
        coord.join(threads)

main()