Added Script to convert Video to MP3

Downloaders/src/Video-to-MP3 Converter/video-to-mp3.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+import urllib.request
+import urllib.error
+import re
+import sys
+import time
+import os
+
+def video_to_audio(fileName):
+	try:
+		file,file_extension=os.path.splitext(fileName)
+		video_to_wav = 'ffmpeg -i '+file+file_extension+' '+file+'.wav'
+		final_audio ='lame '+file+'.wav'+' '+file+'.mp3'
+		os.system(video_to_wav)
+		os.system(final_audio)
+		os.remove(file+'.wav')
+		print("sucessfully converted ",fileName, " into audio!")
+	except OSError as err:
+		print(err.reason)
+		exit(1)
+
+def main():
+	if len(sys.argv) <1 or len(sys.argv) > 2:
+		print('command usage: python3 video_to_audio.py FileName')
+		exit(1)
+	else:
+		filePath = sys.argv[1]
+		# check if the specified file exists or not
+		try:
+			if os.path.exists(filePath):
+				print("file found!")
+		except OSError as err:
+			print(err.reason)
+			exit(1)
+		# convert video to audio
+		video_to_audio(filePath)
+		time.sleep(1)
+# install ffmpeg and/or lame if you get an error saying that the program is currently not installed
+
+if __name__ == '__main__':
+	main()