asynctts.py

import asyncio
from os import devnull
from urllib.request import urlopen
from urllib.parse import quote
from subprocess import call


async def produce_lines(filename):
    try:
        with open(filename, 'r') as file:
            for line in file:
                yield line.rstrip('\n')
                await asyncio.sleep(1)

    except FileNotFoundError:
        with open("poe.txt", 'w', encoding='utf8') as file:
            file.write(
                (urlopen("http://www.gutenberg.org/dirs/2/1/4/2147/2147-8.txt")
                 .read()
                 .decode("iso8859")))
            print("Hi, I've downloaded the The Works of Edgar Allan Poe (Volume 1) for you.\nPlease, re-run this program, shall you..?")


async def print_lines(filename):
    async for line in produce_lines(filename):
        if line:
            with open(devnull, 'wb'):
                call(['mpv', 'http://translate.google.com/translate_tts?ie=UTF-8&total=1&idx=0&textlen=32&client=tw-ob&q={}&tl=En-gb'.format(
                    quote(line, safe=""))], stdout=open(devnull, 'wb'))


def main():
    loop = asyncio.get_event_loop()
    loop.run_until_complete(print_lines("poe.txt"))


main()