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# -*- coding: utf-8 -*-
"""
VITO APIλ₯Ό μ¬μ©ν μμ± μΈμ(STT) λͺ¨λ
"""
import os
import logging
import requests
import json
import time # time import μΆκ°
from dotenv import load_dotenv
# νκ²½ λ³μ λ‘λ
load_dotenv()
# λ‘κ±° μ€μ (app.pyμ 곡μ νκ±°λ λ
립μ μΌλ‘ μ€μ κ°λ₯)
# μ¬κΈ°μλ λ
립μ μΈ λ‘κ±°λ₯Ό μ¬μ©ν©λλ€. νμμ app.pyμ λ‘κ±°λ₯Ό μ¬μ©νλλ‘ μμ ν μ μμ΅λλ€.
logger = logging.getLogger("VitoSTT")
# κΈ°λ³Έ λ‘κΉ
λ 벨 μ€μ (νΈλ€λ¬κ° μμΌλ©΄ μΆλ ₯μ΄ μλ μ μμΌλ―λ‘ κΈ°λ³Έ νΈλ€λ¬ μΆκ° κ³ λ €)
if not logger.hasHandlers():
handler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.INFO) # κΈ°λ³Έ λ 벨 INFOλ‘ μ€μ
class VitoSTT:
"""VITO STT API λνΌ ν΄λμ€"""
def __init__(self):
"""VITO STT ν΄λμ€ μ΄κΈ°ν"""
self.client_id = os.getenv("VITO_CLIENT_ID")
self.client_secret = os.getenv("VITO_CLIENT_SECRET")
if not self.client_id or not self.client_secret:
logger.warning("VITO API μΈμ¦ μ λ³΄κ° .env νμΌμ μ€μ λμ§ μμμ΅λλ€.")
logger.warning("VITO_CLIENT_IDμ VITO_CLIENT_SECRETλ₯Ό νμΈνμΈμ.")
# μλ¬λ₯Ό λ°μμν€κ±°λ, κΈ°λ₯ μ¬μ© μμ μ 체ν¬νλλ‘ λ μ μμ΅λλ€.
# μ¬κΈ°μλ κ²½κ³ λ§ νκ³ λμ΄κ°λλ€.
else:
logger.info("VITO STT API ν΄λΌμ΄μΈνΈ ID/Secret λ‘λ μλ£.")
# API μλν¬μΈνΈ
self.token_url = "https://openapi.vito.ai/v1/authenticate"
self.stt_url = "https://openapi.vito.ai/v1/transcribe"
# μ‘μΈμ€ ν ν°
self.access_token = None
self._token_expires_at = 0 # ν ν° λ§λ£ μκ° μΆμ (μ νμ κ°μ )
def get_access_token(self):
"""VITO API μ‘μΈμ€ ν ν° νλ"""
# νμ¬ μκ°μ κ°μ Έμ ν ν° λ§λ£ μ¬λΆ νμΈ (μ νμ κ°μ )
# now = time.time()
# if self.access_token and now < self._token_expires_at:
# logger.debug("κΈ°μ‘΄ VITO API ν ν° μ¬μ©")
# return self.access_token
if not self.client_id or not self.client_secret:
logger.error("API ν€κ° μ€μ λμ§ μμ ν ν°μ νλν μ μμ΅λλ€.")
raise ValueError("VITO API μΈμ¦ μ λ³΄κ° μ€μ λμ§ μμμ΅λλ€.")
logger.info("VITO API μ‘μΈμ€ ν ν° μμ² μ€...")
try:
response = requests.post(
self.token_url,
data={"client_id": self.client_id, "client_secret": self.client_secret},
timeout=10 # νμμμ μ€μ
)
response.raise_for_status() # HTTP μ€λ₯ λ°μ μ μμΈ λ°μ
result = response.json()
self.access_token = result.get("access_token")
expires_in = result.get("expires_in", 3600) # λ§λ£ μκ° (μ΄), κΈ°λ³Έκ° 1μκ°
self._token_expires_at = time.time() + expires_in - 60 # 60μ΄ μ¬μ
if not self.access_token:
logger.error("VITO API μλ΅μμ ν ν°μ μ°Ύμ μ μμ΅λλ€.")
raise ValueError("VITO API ν ν°μ λ°μμ€μ§ λͺ»νμ΅λλ€.")
logger.info("VITO API μ‘μΈμ€ ν ν° νλ μ±κ³΅")
return self.access_token
except requests.exceptions.Timeout:
logger.error(f"VITO API ν ν° νλ μκ° μ΄κ³Ό: {self.token_url}")
raise TimeoutError("VITO API ν ν° νλ μκ° μ΄κ³Ό")
except requests.exceptions.RequestException as e:
logger.error(f"VITO API ν ν° νλ μ€ν¨: {e}")
if hasattr(e, 'response') and e.response is not None:
logger.error(f"μλ΅ μ½λ: {e.response.status_code}, λ΄μ©: {e.response.text}")
raise ConnectionError(f"VITO API ν ν° νλ μ€ν¨: {e}")
def transcribe_audio(self, audio_bytes, language="ko"):
"""
μ€λμ€ λ°μ΄νΈ λ°μ΄ν°λ₯Ό ν
μ€νΈλ‘ λ³ν
Args:
audio_bytes: μ€λμ€ νμΌ λ°μ΄νΈ λ°μ΄ν°
language: μΈμ΄ μ½λ (κΈ°λ³Έκ°: 'ko')
Returns:
μΈμλ ν
μ€νΈ λλ μ€λ₯ λ©μμ§λ₯Ό ν¬ν¨ν λμ
λ리
{'success': True, 'text': 'μΈμλ ν
μ€νΈ'}
{'success': False, 'error': 'μ€λ₯ λ©μμ§', 'details': 'μμΈ λ΄μ©'}
"""
if not self.client_id or not self.client_secret:
logger.error("API ν€κ° μ€μ λμ§ μμμ΅λλ€.")
return {"success": False, "error": "API ν€κ° μ€μ λμ§ μμμ΅λλ€."}
try:
# ν ν° νλ λλ κ°±μ
# (μ νμ κ°μ : λ§λ£ μκ° μ²΄ν¬ λ‘μ§ μΆκ° μ self._token_expires_at μ¬μ©)
if not self.access_token: # or time.time() >= self._token_expires_at:
logger.info("VITO API ν ν° νλ/κ°±μ μλ...")
self.get_access_token()
headers = {
"Authorization": f"Bearer {self.access_token}"
}
files = {
"file": ("audio_file", audio_bytes) # νμΌλͺ
ννλ‘ μ λ¬
}
# API μ€μ κ° (νμμ λ°λΌ μμ )
config = {
"use_multi_channel": False,
"use_itn": True, # Inverse Text Normalization (μ«μ, λ μ§ λ± λ³ν)
"use_disfluency_filter": True, # νλ¬ (μ, μ...) μ κ±°
"use_profanity_filter": False, # λΉμμ΄ νν°λ§
"language": language,
# "type": "audio" # type νλΌλ―Έν°λ VITO λ¬Έμμ νμ μλ (μλ κ°μ§)
}
data = {"config": json.dumps(config)}
logger.info(f"VITO STT API ({self.stt_url}) μμ² μ μ‘ μ€...")
response = requests.post(
self.stt_url,
headers=headers,
files=files,
data=data,
timeout=20 # μ
λ‘λ νμμμ
)
response.raise_for_status()
result = response.json()
job_id = result.get("id")
if not job_id:
logger.error("VITO API μμ
IDλ₯Ό λ°μμ€μ§ λͺ»νμ΅λλ€.")
return {"success": False, "error": "VITO API μμ
IDλ₯Ό λ°μμ€μ§ λͺ»νμ΅λλ€."}
logger.info(f"VITO STT μμ
ID: {job_id}, κ²°κ³Ό νμΈ μμ...")
# κ²°κ³Ό νμΈ URL
transcript_url = f"{self.stt_url}/{job_id}"
max_tries = 15 # μ΅λ μλ νμ μ¦κ°
wait_time = 2 # λκΈ° μκ° μ¦κ° (μ΄)
for try_count in range(max_tries):
time.sleep(wait_time) # API λΆν κ°μ μν΄ λκΈ°
logger.debug(f"κ²°κ³Ό νμΈ μλ ({try_count + 1}/{max_tries}) - URL: {transcript_url}")
get_response = requests.get(
transcript_url,
headers=headers,
timeout=10 # κ²°κ³Ό νμΈ νμμμ
)
get_response.raise_for_status()
result = get_response.json()
status = result.get("status")
logger.debug(f"νμ¬ μν: {status}")
if status == "completed":
# κ²°κ³Ό μΆμΆ (utterances ꡬ쑰 νμΈ νμ)
utterances = result.get("results", {}).get("utterances", [])
if utterances:
# μ 체 ν
μ€νΈλ₯Ό νλλ‘ ν©μΉ¨
transcript = " ".join([seg.get("msg", "") for seg in utterances if seg.get("msg")]).strip()
logger.info(f"VITO STT μΈμ μ±κ³΅ (μΌλΆ): {transcript[:50]}...")
return {
"success": True,
"text": transcript
# "raw_result": result # νμμ μ 체 κ²°κ³Ό λ°ν
}
else:
logger.warning("VITO STT μλ£λμμΌλ κ²°κ³Ό utterancesκ° λΉμ΄μμ΅λλ€.")
return {"success": True, "text": ""} # μ±κ³΅μ΄μ§λ§ ν
μ€νΈ μμ
elif status == "failed":
error_msg = f"VITO API λ³ν μ€ν¨: {result.get('message', 'μ μ μλ μ€λ₯')}"
logger.error(error_msg)
return {"success": False, "error": error_msg, "details": result}
elif status == "transcribing":
logger.info(f"VITO API μ²λ¦¬ μ€... ({try_count + 1}/{max_tries})")
else: # registered, waiting λ± λ€λ₯Έ μν
logger.info(f"VITO API μν '{status}', λκΈ° μ€... ({try_count + 1}/{max_tries})")
logger.error(f"VITO API μλ΅ νμμμ ({max_tries * wait_time}μ΄ μ΄κ³Ό)")
return {"success": False, "error": "VITO API μλ΅ νμμμ"}
except requests.exceptions.HTTPError as e:
# ν ν° λ§λ£ μ€λ₯ μ²λ¦¬ (401 Unauthorized)
if e.response.status_code == 401:
logger.warning("VITO API ν ν°μ΄ λ§λ£λμκ±°λ μ ν¨νμ§ μμ΅λλ€. ν ν° μ¬λ°κΈ μλ...")
self.access_token = None # κΈ°μ‘΄ ν ν° λ¬΄ν¨ν
try:
# μ¬κ· νΈμΆ λμ , ν ν° μ¬λ°κΈ ν λ€μ μλνλ λ‘μ§ κ΅¬μ±
self.get_access_token()
logger.info("μ ν ν°μΌλ‘ μ¬μλν©λλ€.")
# μ¬μλλ μ΄ ν¨μλ₯Ό λ€μ νΈμΆνλ λμ , νΈμΆνλ μͺ½μμ μ²λ¦¬νλ κ²μ΄ λ μμ ν μ μμ
# μ¬κΈ°μλ ν λ² λ μλνλ λ‘μ§ μΆκ° (무ν 루ν λ°©μ§ νμ)
# return self.transcribe_audio(audio_bytes, language) # μ¬κ· νΈμΆ λ°©μ
# --- λΉμ¬κ· λ°©μ ---
headers["Authorization"] = f"Bearer {self.access_token}" # ν€λ μ
λ°μ΄νΈ
# POST μμ²λΆν° λ€μ μμ (μ½λ μ€λ³΅ λ°μ κ°λ₯μ± μμ)
# ... (POST μμ² λ° κ²°κ³Ό ν΄λ§ λ‘μ§ λ°λ³΅) ...
# κ°λ¨νκ²λ κ·Έλ₯ μ€ν¨ μ²λ¦¬νκ³ μμμμ μ¬μλ μ λ
return {"success": False, "error": "ν ν° λ§λ£ ν μ¬μλ νμ", "details": "ν ν° μ¬λ°κΈ μ±κ³΅"}
except Exception as token_e:
logger.error(f"ν ν° μ¬νλ μ€ν¨: {token_e}")
return {"success": False, "error": f"ν ν° μ¬νλ μ€ν¨: {str(token_e)}"}
else:
# 401 μΈ λ€λ₯Έ HTTP μ€λ₯
error_body = ""
try:
error_body = e.response.text
except Exception:
pass
logger.error(f"VITO API HTTP μ€λ₯: {e.response.status_code}, μλ΅: {error_body}")
return {
"success": False,
"error": f"API HTTP μ€λ₯: {e.response.status_code}",
"details": error_body
}
except requests.exceptions.Timeout:
logger.error("VITO API μμ² μκ° μ΄κ³Ό")
return {"success": False, "error": "API μμ² μκ° μ΄κ³Ό"}
except requests.exceptions.RequestException as e:
logger.error(f"VITO API μμ² μ€ λ€νΈμν¬ μ€λ₯ λ°μ: {str(e)}")
return {"success": False, "error": "API μμ² λ€νΈμν¬ μ€λ₯", "details": str(e)}
except Exception as e:
logger.error(f"μμ±μΈμ μ²λ¦¬ μ€ μμμΉ λͺ»ν μ€λ₯ λ°μ: {str(e)}", exc_info=True)
return {
"success": False,
"error": "μμ±μΈμ λ΄λΆ μ²λ¦¬ μ€ν¨",
"details": str(e)
} |