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convert_txt_to_mp3.py
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convert_txt_to_mp3.py
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import glob
import os
import shutil
import subprocess
import sys
import threading
import time
from random import randint
# Note: this script invokes balcon.exe and ffmpeg.exe via subprocess.Popen()
# set their paths here
# TODO: accept overrides to these by way of command line switches
balcon_path = 'L:/utils/balcon/'
balcon_executable = 'balcon.exe'
ffmpeg_path = 'L:/utils/ffmpeg/bin/'
ffmpeg_executable = 'ffmpeg.exe'
def tidy_up_before_we_begin(source_dir, working_dir, wav_file, output_mp3_file):
# delete any old files matching the filenames we're going to use
if os.path.exists(source_dir + output_mp3_file):
os.remove(source_dir + output_mp3_file)
if os.path.exists(working_dir + output_mp3_file):
os.remove(working_dir + output_mp3_file)
if os.path.exists(working_dir + wav_file):
os.remove(working_dir + wav_file)
def balcon_thread(source_dir, working_dir, input_text_file, wav_file):
# balcon.exe
# http://www.cross-plus-a.com/bconsole.htm
global balcon_path
global balcon_executable
run_balcon = subprocess.Popen( #
[balcon_path + balcon_executable, '-q', '-sb', '5000', '-f', source_dir + input_text_file,
'--encoding', 'utf8', '-w', working_dir + wav_file, '-n', 'Microsoft David Desktop'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
while True:
balcon_return_code = run_balcon.poll()
# output = run_balcon.stdout.readline()
# print(output)
if balcon_return_code is not None:
if not balcon_return_code == 0:
print('balcon.exe error!') # TODO: need to automatically retry balcon as necessary
x = input("Press any key to exit")
print('Exiting in 5 seconds...')
time.sleep(5)
exit(1)
else:
break
def convert_txt_to_wav(source_dir, working_dir, input_text_file, wav_file):
thread = threading.Thread(target=balcon_thread, args=(source_dir, working_dir, input_text_file, wav_file,))
thread.start()
time.sleep(2)
text_file_size = os.path.getsize(source_dir + input_text_file)
target_wav_size = text_file_size * 3200
last_percent = 0
while True:
if os.path.exists(working_dir + wav_file):
cur_wav_file_size = os.path.getsize(working_dir + wav_file)
cur_percent = int(cur_wav_file_size / target_wav_size * 100)
if not (cur_percent == last_percent):
print('Converting from txt to wav: {0}%'.format(min(cur_percent, 100)), end='\r')
last_percent = cur_percent
if not thread.is_alive():
break
print('Converting from txt to wav: 100%')
def ffmpeg_thread(working_dir, wav_file, output_mp3_file):
# ffmpeg.exe
# https://ffmpeg.org/download.html
global ffmpeg_path
global ffmpeg_executable
run_ffmpeg = subprocess.Popen(
[ffmpeg_path + ffmpeg_executable, '-hide_banner', '-y', '-loglevel', 'warning', '-stats', '-i',
working_dir + wav_file, '-f', 'mp3', '-ab', '192000', '-vn', working_dir + output_mp3_file],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
while True:
# output = run_ffmpeg.stdout.readline()
# print(output)
if run_ffmpeg.poll() is not None:
break
def convert_wav_to_mp3(source_dir, working_dir, wav_file, output_mp3_file):
thread = threading.Thread(target=ffmpeg_thread, args=(working_dir, wav_file, output_mp3_file,))
thread.start()
time.sleep(2)
wav_file_size = os.path.getsize(working_dir + wav_file)
target_mp3_size = wav_file_size / 1.6
last_percent = 0
while True:
if os.path.exists(working_dir + output_mp3_file):
cur_mp3_file_size = os.path.getsize(working_dir + output_mp3_file)
cur_percent = int(cur_mp3_file_size / target_mp3_size * 100)
if not (cur_percent == last_percent):
print('Converting from wav to mp3: {0}%'.format(min(cur_percent, 100)), end='\r')
last_percent = cur_percent
if not thread.is_alive():
break
print('Converting from wav to mp3: 100%')
print()
shutil.move(working_dir + output_mp3_file, source_dir + output_mp3_file)
def convert_single_file(source_dir, input_text_file):
output_mp3_file = input_text_file[0:-4] + '.mp3'
wav_file = input_text_file[0:-4] + '.wav'
temp_dir_number = randint(1000000000, 9999999999)
working_dir = 'C:/temp/' + str(temp_dir_number) + '/' # this working_dir can be customized as necessary
if not os.path.isdir(working_dir):
os.mkdir(working_dir)
tidy_up_before_we_begin(source_dir, working_dir, wav_file, output_mp3_file)
print('Input: {0}'.format(input_text_file))
convert_txt_to_wav(source_dir, working_dir, input_text_file, wav_file)
convert_wav_to_mp3(source_dir, working_dir, wav_file, output_mp3_file)
# cleanup
try:
shutil.rmtree(working_dir)
except OSError as e:
print("Error deleting working_dir: %s - %s." % (e.filename, e.strerror))
shutil.move(source_dir + input_text_file, source_dir + 'converted-text/' + input_text_file)
if __name__ == '__main__':
if len(sys.argv) < 2:
print("Please specify input text file or wildcard pattern.")
print("examples:")
print(" python convert_txt_to_mp3.py infile.txt")
print(" python convert_txt_to_mp3.py *.txt")
print(" python convert_txt_to_mp3.py \"D:/files/*.txt\"")
exit()
full_input_path = sys.argv[1]
if '\\' in full_input_path:
full_input_path = full_input_path.replace('\\', '/')
path = full_input_path.split('/')
input_text_file = path[-1]
if len(path) == 1: # no full path given, just a filename or a wildcard filename pattern
source_dir = os.getcwd() + '/' # a default source directory
else:
source_dir = full_input_path[0:(len(full_input_path) - len(input_text_file))]
if '*' in input_text_file:
files = glob.glob(input_text_file)
for f in files:
convert_single_file(source_dir, f)
else:
convert_single_file(source_dir, input_text_file)
print("Pausing for 100 seconds...")
time.sleep(100)
exit(0)