speech.py

# Reads out a script using google text to speech api
from google.cloud import texttospeech
import sys
def work(tid):
	with open(f"{tid}/script.txt", encoding='utf-8') as f:
		lines = f.read().strip().split("\n\n")
	with open("resources/rules.txt") as f:
		# each line is "badword, replacement"
		bad_words = [(x.split()[0], x.split()[1]) for x in f.readlines()]

	title = lines[0]
	for word in bad_words:
		# remove bad words from title 
		title = title.replace(word[0], word[1])
	# create a google speech api client 	
	client = texttospeech.TextToSpeechClient()
	synthesis_input = texttospeech.types.SynthesisInput(text=title)
	voice = texttospeech.types.VoiceSelectionParams(
	    language_code='en-US',
	    name="en-US-Wavenet-D",
	    ssml_gender=texttospeech.enums.SsmlVoiceGender.MALE)
	audio_config = texttospeech.types.AudioConfig(
		speaking_rate=0.9,
	    audio_encoding=texttospeech.enums.AudioEncoding.MP3)
	response = client.synthesize_speech(synthesis_input, voice, audio_config)
	with open(f'{tid}/title.mp3', 'wb') as out:
	    out.write(response.audio_content)
	for directory, body in enumerate(lines[1:]):
		s = body.split("\n")
		for index, line in enumerate(s):
			for word in bad_words:
				# remove bad words from post
				line = line.replace(word[0], word[1])
			line = line.replace("<br>", "\n").replace("--", "").replace("*", "")
			synthesis_input = texttospeech.types.SynthesisInput(text=line)
			response = client.synthesize_speech(synthesis_input, voice, audio_config)
			# save the recording to it's respective folder
			with open(f"{tid}/{directory:03}/{index:03}.mp3", "wb") as out:
				out.write(response.audio_content)
				print(f"Wrote .mp3 to {tid}/{directory:03}/{index:03}")