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import os
from groq import Groq
from gtts import gTTS
from pydantic import BaseModel, ValidationError
from typing import List, Literal
import tiktoken
groq_client = Groq()
tokenizer = tiktoken.get_encoding("cl100k_base")
class DialogueItem(BaseModel):
speaker: Literal["Host", "Guest"]
text: str
class Dialogue(BaseModel):
dialogue: List[DialogueItem]
def truncate_text(text, max_tokens=2048):
tokens = tokenizer.encode(text)
if len(tokens) > max_tokens:
return tokenizer.decode(tokens[:max_tokens])
return text
def generate_script(system_prompt: str, input_text: str, tone: str):
input_text = truncate_text(input_text)
prompt = f"{system_prompt}\nTONE: {tone}\nINPUT TEXT: {input_text}"
response = groq_client.chat.completions.create(
messages=[
{"role": "system", "content": prompt},
],
model="llama2-70b-4096",
max_tokens=2048,
temperature=0.7
)
try:
dialogue = Dialogue.model_validate_json(response.choices[0].message.content)
except ValidationError as e:
raise ValueError(f"Failed to parse dialogue JSON: {e}")
return dialogue
def generate_audio(text: str, speaker: str) -> str:
tts = gTTS(text, lang='en', tld='com' if speaker == "Host" else 'co.uk')
filename = f"{speaker.lower()}_audio.mp3"
tts.save(filename)
return filename |