Schedule any python script or steps continuously & Example of Measure Disk Speed

measure-disk-speed.py

import os, time, sched

MB = 1048576

def measure_write_speed(file_path):
    string = "Let's test write speed..."
    n = (100 * MB) // len(string)
    start = time.time()
    file = open(file_path, 'w')
    for i in range(n):
        file.write(string)
    end = time.time()
    print(n*len(string))
    print(start)
    print(end)

    speed = (n * len(string)) / (MB * (end - start))
    return speed

def measure_read_speed(file_path):
    start = time.time()
    print(start)
    with open(file_path, 'r') as content_file:
        content = content_file.read()
    end = time.time()
    print(end)
    bytes_read = len(content)
    speed = bytes_read / (MB * (end - start))

    return speed

def delete_file(file_path):
    print(file_path)
    print('Deleting the file at {}'.format(file_path))
    os.remove(file_path)

def main(sc):
    try:
        path = "/tmp/"
        file_name = "test-write-speed-%s.txt" % int(time.time() * 1000)
        file_path = os.path.join(path, file_name)

        print("starting disk measurement... at time:", time.time())
        write_speed = measure_write_speed(file_path)
        print('Write speed: {} mbps'.format(write_speed))
        read_speed = measure_write_speed(file_path)
        print('Read speed: {} mbps'.format(read_speed))
        delete_file(file_path)
    except Exception as e:
        print('Exception Occured', e)
    s.enter(30, 1, main, (sc,))


if __name__ == '__main__':
    s = sched.scheduler(time.time, time.sleep)
    s.enter(30, 1, main, (s,))
    s.run()

schedule-script.py

import time, sched

#
# Define steps functions here
#

# main function
def main(sc):
    try:
        # Call steps functions here
    except Exception as e:
        print('Exception Occured', e)
    s.enter(30, 1, main, (sc,))


if __name__ == '__main__':
    s = sched.scheduler(time.time, time.sleep)
    s.enter(30, 1, main, (s,))
    s.run()