Files
ALwrity/backend/services/wavespeed/client.py

472 lines
20 KiB
Python

from __future__ import annotations
import json
import time
from typing import Any, Dict, Optional
import requests
from fastapi import HTTPException
from requests import exceptions as requests_exceptions
from services.onboarding.api_key_manager import APIKeyManager
from utils.logger_utils import get_service_logger
logger = get_service_logger("wavespeed.client")
class WaveSpeedClient:
"""
Thin HTTP client for the WaveSpeed AI API.
Handles authentication, submission, and polling helpers.
"""
BASE_URL = "https://api.wavespeed.ai/api/v3"
def __init__(self, api_key: Optional[str] = None):
manager = APIKeyManager()
self.api_key = api_key or manager.get_api_key("wavespeed")
if not self.api_key:
raise RuntimeError("WAVESPEED_API_KEY is not configured. Please add it to your environment.")
def _headers(self) -> Dict[str, str]:
return {
"Content-Type": "application/json",
"Authorization": f"Bearer {self.api_key}",
}
def submit_image_to_video(
self,
model_path: str,
payload: Dict[str, Any],
timeout: int = 30,
) -> str:
"""
Submit an image-to-video generation request.
Returns the prediction ID for polling.
"""
url = f"{self.BASE_URL}/{model_path}"
logger.info(f"[WaveSpeed] Submitting request to {url}")
response = requests.post(url, headers=self._headers(), json=payload, timeout=timeout)
if response.status_code != 200:
logger.error(f"[WaveSpeed] Submission failed: {response.status_code} {response.text}")
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed image-to-video submission failed",
"status_code": response.status_code,
"response": response.text,
},
)
data = response.json().get("data")
if not data or "id" not in data:
logger.error(f"[WaveSpeed] Unexpected submission response: {response.text}")
raise HTTPException(
status_code=502,
detail={"error": "WaveSpeed response missing prediction id"},
)
prediction_id = data["id"]
logger.info(f"[WaveSpeed] Submitted request: {prediction_id}")
return prediction_id
def get_prediction_result(self, prediction_id: str, timeout: int = 120) -> Dict[str, Any]:
"""
Fetch the current status/result for a prediction.
"""
url = f"{self.BASE_URL}/predictions/{prediction_id}/result"
try:
response = requests.get(url, headers={"Authorization": f"Bearer {self.api_key}"}, timeout=timeout)
except requests_exceptions.Timeout as exc:
raise HTTPException(
status_code=504,
detail={
"error": "WaveSpeed polling request timed out",
"prediction_id": prediction_id,
"resume_available": True,
"exception": str(exc),
},
) from exc
except requests_exceptions.RequestException as exc:
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed polling request failed",
"prediction_id": prediction_id,
"resume_available": True,
"exception": str(exc),
},
) from exc
if response.status_code != 200:
logger.error(f"[WaveSpeed] Polling failed: {response.status_code} {response.text}")
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed prediction polling failed",
"status_code": response.status_code,
"response": response.text,
},
)
result = response.json().get("data")
if not result:
raise HTTPException(status_code=502, detail={"error": "WaveSpeed polling response missing data"})
return result
def poll_until_complete(
self,
prediction_id: str,
timeout_seconds: int = 240,
interval_seconds: float = 1.0,
) -> Dict[str, Any]:
"""
Poll WaveSpeed until the job completes, fails, or times out.
"""
start_time = time.time()
while True:
try:
result = self.get_prediction_result(prediction_id)
except HTTPException as exc:
detail = exc.detail or {}
if isinstance(detail, dict):
detail.setdefault("prediction_id", prediction_id)
detail.setdefault("resume_available", True)
detail.setdefault("error", detail.get("error", "WaveSpeed polling failed"))
raise HTTPException(status_code=exc.status_code, detail=detail) from exc
status = result.get("status")
if status == "completed":
logger.info(f"[WaveSpeed] Prediction {prediction_id} completed.")
return result
if status == "failed":
logger.error(f"[WaveSpeed] Prediction {prediction_id} failed: {result.get('error')}")
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed animation failed",
"prediction_id": prediction_id,
"details": result.get("error"),
},
)
elapsed = time.time() - start_time
if elapsed > timeout_seconds:
logger.error(f"[WaveSpeed] Prediction {prediction_id} timed out after {timeout_seconds}s")
raise HTTPException(
status_code=504,
detail={
"error": "WaveSpeed animation timed out",
"prediction_id": prediction_id,
"details": result,
},
)
logger.debug(f"[WaveSpeed] Prediction {prediction_id} status={status}. Waiting...")
time.sleep(interval_seconds)
def optimize_prompt(
self,
text: str,
mode: str = "image",
style: str = "default",
image: Optional[str] = None,
enable_sync_mode: bool = True,
timeout: int = 30,
) -> str:
"""
Optimize a prompt using WaveSpeed prompt optimizer.
Args:
text: The prompt text to optimize
mode: "image" or "video" (default: "image")
style: "default", "artistic", "photographic", "technical", "anime", "realistic" (default: "default")
image: Base64-encoded image for context (optional)
enable_sync_mode: If True, wait for result and return it directly (default: True)
timeout: Request timeout in seconds (default: 30)
Returns:
Optimized prompt text
"""
model_path = "wavespeed-ai/prompt-optimizer"
url = f"{self.BASE_URL}/{model_path}"
payload = {
"text": text,
"mode": mode,
"style": style,
"enable_sync_mode": enable_sync_mode,
}
if image:
payload["image"] = image
logger.info(f"[WaveSpeed] Optimizing prompt via {url} (mode={mode}, style={style})")
response = requests.post(url, headers=self._headers(), json=payload, timeout=timeout)
if response.status_code != 200:
logger.error(f"[WaveSpeed] Prompt optimization failed: {response.status_code} {response.text}")
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed prompt optimization failed",
"status_code": response.status_code,
"response": response.text,
},
)
response_json = response.json()
data = response_json.get("data") or response_json
# Handle sync mode - result should be directly in outputs
if enable_sync_mode:
outputs = data.get("outputs") or []
if not outputs:
logger.error(f"[WaveSpeed] No outputs in sync mode response: {response.text}")
raise HTTPException(
status_code=502,
detail="WaveSpeed prompt optimizer returned no outputs",
)
# Extract optimized prompt from outputs
# In sync mode, outputs[0] should be the optimized text directly (or a URL to fetch)
optimized_prompt = None
if isinstance(outputs, list) and len(outputs) > 0:
first_output = outputs[0]
# If it's a string that looks like a URL, fetch it
if isinstance(first_output, str):
if first_output.startswith("http://") or first_output.startswith("https://"):
logger.info(f"[WaveSpeed] Fetching optimized prompt from URL: {first_output}")
url_response = requests.get(first_output, timeout=timeout)
if url_response.status_code == 200:
optimized_prompt = url_response.text.strip()
else:
logger.error(f"[WaveSpeed] Failed to fetch prompt from URL: {url_response.status_code}")
raise HTTPException(
status_code=502,
detail="Failed to fetch optimized prompt from WaveSpeed URL",
)
else:
# It's already the text
optimized_prompt = first_output
elif isinstance(first_output, dict):
optimized_prompt = first_output.get("text") or first_output.get("prompt") or first_output.get("output")
if not optimized_prompt:
logger.error(f"[WaveSpeed] Could not extract optimized prompt from outputs: {outputs}")
raise HTTPException(
status_code=502,
detail="WaveSpeed prompt optimizer output format not recognized",
)
logger.info(f"[WaveSpeed] Prompt optimized successfully (length: {len(optimized_prompt)} chars)")
return optimized_prompt
# Async mode - return prediction ID for polling
prediction_id = data.get("id")
if not prediction_id:
logger.error(f"[WaveSpeed] No prediction ID in async response: {response.text}")
raise HTTPException(
status_code=502,
detail="WaveSpeed response missing prediction id for async mode",
)
# Poll for result
result = self.poll_until_complete(prediction_id, timeout_seconds=60, interval_seconds=0.5)
outputs = result.get("outputs") or []
if not outputs:
raise HTTPException(status_code=502, detail="WaveSpeed prompt optimizer returned no outputs")
# Extract optimized prompt from outputs
# In async mode, outputs[0] is typically a URL that needs to be fetched
optimized_prompt = None
if isinstance(outputs, list) and len(outputs) > 0:
first_output = outputs[0]
# In async mode, it's usually a URL to fetch
if isinstance(first_output, str):
if first_output.startswith("http://") or first_output.startswith("https://"):
logger.info(f"[WaveSpeed] Fetching optimized prompt from URL: {first_output}")
url_response = requests.get(first_output, timeout=timeout)
if url_response.status_code == 200:
optimized_prompt = url_response.text.strip()
else:
logger.error(f"[WaveSpeed] Failed to fetch prompt from URL: {url_response.status_code}")
raise HTTPException(
status_code=502,
detail="Failed to fetch optimized prompt from WaveSpeed URL",
)
else:
# If it's already text (shouldn't happen in async mode, but handle it)
optimized_prompt = first_output
elif isinstance(first_output, dict):
optimized_prompt = first_output.get("text") or first_output.get("prompt") or first_output.get("output")
if not optimized_prompt:
raise HTTPException(
status_code=502,
detail="WaveSpeed prompt optimizer output format not recognized",
)
logger.info(f"[WaveSpeed] Prompt optimized successfully (length: {len(optimized_prompt)} chars)")
return optimized_prompt
def generate_speech(
self,
text: str,
voice_id: str,
speed: float = 1.0,
volume: float = 1.0,
pitch: float = 0.0,
emotion: str = "happy",
enable_sync_mode: bool = True,
timeout: int = 60,
**kwargs
) -> bytes:
"""
Generate speech audio using Minimax Speech 02 HD via WaveSpeed.
Args:
text: Text to convert to speech (max 10000 characters)
voice_id: Voice ID (e.g., "Wise_Woman", "Friendly_Person", etc.)
speed: Speech speed (0.5-2.0, default: 1.0)
volume: Speech volume (0.1-10.0, default: 1.0)
pitch: Speech pitch (-12 to 12, default: 0.0)
emotion: Emotion ("happy", "sad", "angry", etc., default: "happy")
enable_sync_mode: If True, wait for result and return it directly (default: True)
timeout: Request timeout in seconds (default: 60)
**kwargs: Additional parameters (sample_rate, bitrate, format, etc.)
Returns:
bytes: Generated audio bytes
"""
model_path = "minimax/speech-02-hd"
url = f"{self.BASE_URL}/{model_path}"
payload = {
"text": text,
"voice_id": voice_id,
"speed": speed,
"volume": volume,
"pitch": pitch,
"emotion": emotion,
"enable_sync_mode": enable_sync_mode,
}
# Add optional parameters
optional_params = [
"english_normalization",
"sample_rate",
"bitrate",
"channel",
"format",
"language_boost",
]
for param in optional_params:
if param in kwargs:
payload[param] = kwargs[param]
logger.info(f"[WaveSpeed] Generating speech via {url} (voice={voice_id}, text_length={len(text)})")
response = requests.post(url, headers=self._headers(), json=payload, timeout=timeout)
if response.status_code != 200:
logger.error(f"[WaveSpeed] Speech generation failed: {response.status_code} {response.text}")
raise HTTPException(
status_code=502,
detail={
"error": "WaveSpeed speech generation failed",
"status_code": response.status_code,
"response": response.text,
},
)
response_json = response.json()
data = response_json.get("data") or response_json
# Handle sync mode - result should be directly in outputs
if enable_sync_mode:
outputs = data.get("outputs") or []
if not outputs:
logger.error(f"[WaveSpeed] No outputs in sync mode response: {response.text}")
raise HTTPException(
status_code=502,
detail="WaveSpeed speech generator returned no outputs",
)
# Extract audio URL from outputs
audio_url = None
if isinstance(outputs, list) and len(outputs) > 0:
first_output = outputs[0]
if isinstance(first_output, str):
audio_url = first_output
elif isinstance(first_output, dict):
audio_url = first_output.get("url") or first_output.get("output")
if not audio_url or not (audio_url.startswith("http://") or audio_url.startswith("https://")):
logger.error(f"[WaveSpeed] Invalid audio URL in outputs: {outputs}")
raise HTTPException(
status_code=502,
detail="WaveSpeed speech generator output format not recognized",
)
# Fetch audio bytes from URL
logger.info(f"[WaveSpeed] Fetching audio from URL: {audio_url}")
audio_response = requests.get(audio_url, timeout=timeout)
if audio_response.status_code == 200:
audio_bytes = audio_response.content
logger.info(f"[WaveSpeed] Speech generated successfully (size: {len(audio_bytes)} bytes)")
return audio_bytes
else:
logger.error(f"[WaveSpeed] Failed to fetch audio from URL: {audio_response.status_code}")
raise HTTPException(
status_code=502,
detail="Failed to fetch generated audio from WaveSpeed URL",
)
# Async mode - return prediction ID for polling
prediction_id = data.get("id")
if not prediction_id:
logger.error(f"[WaveSpeed] No prediction ID in async response: {response.text}")
raise HTTPException(
status_code=502,
detail="WaveSpeed response missing prediction id for async mode",
)
# Poll for result
result = self.poll_until_complete(prediction_id, timeout_seconds=120, interval_seconds=0.5)
outputs = result.get("outputs") or []
if not outputs:
raise HTTPException(status_code=502, detail="WaveSpeed speech generator returned no outputs")
# Extract audio URL and fetch
audio_url = None
if isinstance(outputs, list) and len(outputs) > 0:
first_output = outputs[0]
if isinstance(first_output, str):
audio_url = first_output
elif isinstance(first_output, dict):
audio_url = first_output.get("url") or first_output.get("output")
if not audio_url or not (audio_url.startswith("http://") or audio_url.startswith("https://")):
raise HTTPException(
status_code=502,
detail="WaveSpeed speech generator output format not recognized",
)
# Fetch audio bytes
logger.info(f"[WaveSpeed] Fetching audio from URL: {audio_url}")
audio_response = requests.get(audio_url, timeout=timeout)
if audio_response.status_code == 200:
audio_bytes = audio_response.content
logger.info(f"[WaveSpeed] Speech generated successfully (size: {len(audio_bytes)} bytes)")
return audio_bytes
else:
logger.error(f"[WaveSpeed] Failed to fetch audio from URL: {audio_response.status_code}")
raise HTTPException(
status_code=502,
detail="Failed to fetch generated audio from WaveSpeed URL",
)