Spaces:
Runtime error
Runtime error
File size: 8,424 Bytes
6bff6a1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 | import asyncio
import time
import uuid
from typing import Optional, List, Dict, Any
import orjson
from fastapi import APIRouter, Depends, HTTPException, Query, Request
from fastapi.responses import StreamingResponse
from pydantic import BaseModel
from app.core.auth import verify_function_key
from app.core.logger import logger
from app.services.grok.services.video import VideoService
from app.services.grok.services.model import ModelService
router = APIRouter()
VIDEO_SESSION_TTL = 600
_VIDEO_SESSIONS: dict[str, dict] = {}
_VIDEO_SESSIONS_LOCK = asyncio.Lock()
_VIDEO_RATIO_MAP = {
"1280x720": "16:9",
"720x1280": "9:16",
"1792x1024": "3:2",
"1024x1792": "2:3",
"1024x1024": "1:1",
"16:9": "16:9",
"9:16": "9:16",
"3:2": "3:2",
"2:3": "2:3",
"1:1": "1:1",
}
async def _clean_sessions(now: float) -> None:
expired = [
key
for key, info in _VIDEO_SESSIONS.items()
if now - float(info.get("created_at") or 0) > VIDEO_SESSION_TTL
]
for key in expired:
_VIDEO_SESSIONS.pop(key, None)
async def _new_session(
prompt: str,
aspect_ratio: str,
video_length: int,
resolution_name: str,
preset: str,
image_url: Optional[str],
reasoning_effort: Optional[str],
) -> str:
task_id = uuid.uuid4().hex
now = time.time()
async with _VIDEO_SESSIONS_LOCK:
await _clean_sessions(now)
_VIDEO_SESSIONS[task_id] = {
"prompt": prompt,
"aspect_ratio": aspect_ratio,
"video_length": video_length,
"resolution_name": resolution_name,
"preset": preset,
"image_url": image_url,
"reasoning_effort": reasoning_effort,
"created_at": now,
}
return task_id
async def _get_session(task_id: str) -> Optional[dict]:
if not task_id:
return None
now = time.time()
async with _VIDEO_SESSIONS_LOCK:
await _clean_sessions(now)
info = _VIDEO_SESSIONS.get(task_id)
if not info:
return None
created_at = float(info.get("created_at") or 0)
if now - created_at > VIDEO_SESSION_TTL:
_VIDEO_SESSIONS.pop(task_id, None)
return None
return dict(info)
async def _drop_session(task_id: str) -> None:
if not task_id:
return
async with _VIDEO_SESSIONS_LOCK:
_VIDEO_SESSIONS.pop(task_id, None)
async def _drop_sessions(task_ids: List[str]) -> int:
if not task_ids:
return 0
removed = 0
async with _VIDEO_SESSIONS_LOCK:
for task_id in task_ids:
if task_id and task_id in _VIDEO_SESSIONS:
_VIDEO_SESSIONS.pop(task_id, None)
removed += 1
return removed
def _normalize_ratio(value: Optional[str]) -> str:
raw = (value or "").strip()
return _VIDEO_RATIO_MAP.get(raw, "")
def _validate_image_url(image_url: str) -> None:
value = (image_url or "").strip()
if not value:
return
if value.startswith("data:"):
return
if value.startswith("http://") or value.startswith("https://"):
return
raise HTTPException(
status_code=400,
detail="image_url must be a URL or data URI (data:<mime>;base64,...)",
)
class VideoStartRequest(BaseModel):
prompt: str
aspect_ratio: Optional[str] = "3:2"
video_length: Optional[int] = 6
resolution_name: Optional[str] = "480p"
preset: Optional[str] = "normal"
image_url: Optional[str] = None
reasoning_effort: Optional[str] = None
@router.post("/video/start", dependencies=[Depends(verify_function_key)])
async def function_video_start(data: VideoStartRequest):
prompt = (data.prompt or "").strip()
if not prompt:
raise HTTPException(status_code=400, detail="Prompt cannot be empty")
aspect_ratio = _normalize_ratio(data.aspect_ratio)
if not aspect_ratio:
raise HTTPException(
status_code=400,
detail="aspect_ratio must be one of ['16:9','9:16','3:2','2:3','1:1']",
)
video_length = int(data.video_length or 6)
if video_length < 6 or video_length > 30:
raise HTTPException(
status_code=400, detail="video_length must be between 6 and 30 seconds"
)
resolution_name = str(data.resolution_name or "480p")
if resolution_name not in ("480p", "720p"):
raise HTTPException(
status_code=400,
detail="resolution_name must be one of ['480p','720p']",
)
preset = str(data.preset or "normal")
if preset not in ("fun", "normal", "spicy", "custom"):
raise HTTPException(
status_code=400,
detail="preset must be one of ['fun','normal','spicy','custom']",
)
image_url = (data.image_url or "").strip() or None
if image_url:
_validate_image_url(image_url)
reasoning_effort = (data.reasoning_effort or "").strip() or None
if reasoning_effort:
allowed = {"none", "minimal", "low", "medium", "high", "xhigh"}
if reasoning_effort not in allowed:
raise HTTPException(
status_code=400,
detail=f"reasoning_effort must be one of {sorted(allowed)}",
)
task_id = await _new_session(
prompt,
aspect_ratio,
video_length,
resolution_name,
preset,
image_url,
reasoning_effort,
)
return {"task_id": task_id, "aspect_ratio": aspect_ratio}
@router.get("/video/sse")
async def function_video_sse(request: Request, task_id: str = Query("")):
session = await _get_session(task_id)
if not session:
raise HTTPException(status_code=404, detail="Task not found")
prompt = str(session.get("prompt") or "").strip()
aspect_ratio = str(session.get("aspect_ratio") or "3:2")
video_length = int(session.get("video_length") or 6)
resolution_name = str(session.get("resolution_name") or "480p")
preset = str(session.get("preset") or "normal")
image_url = session.get("image_url")
reasoning_effort = session.get("reasoning_effort")
async def event_stream():
try:
model_id = "grok-imagine-1.0-video"
model_info = ModelService.get(model_id)
if not model_info or not model_info.is_video:
payload = {
"error": "Video model is not available.",
"code": "model_not_supported",
}
yield f"data: {orjson.dumps(payload).decode()}\n\n"
yield "data: [DONE]\n\n"
return
if image_url:
messages: List[Dict[str, Any]] = [
{
"role": "user",
"content": [
{"type": "text", "text": prompt},
{"type": "image_url", "image_url": {"url": image_url}},
],
}
]
else:
messages = [{"role": "user", "content": prompt}]
stream = await VideoService.completions(
model_id,
messages,
stream=True,
reasoning_effort=reasoning_effort,
aspect_ratio=aspect_ratio,
video_length=video_length,
resolution=resolution_name,
preset=preset,
)
async for chunk in stream:
if await request.is_disconnected():
break
yield chunk
except Exception as e:
logger.warning(f"Function video SSE error: {e}")
payload = {"error": str(e), "code": "internal_error"}
yield f"data: {orjson.dumps(payload).decode()}\n\n"
yield "data: [DONE]\n\n"
finally:
await _drop_session(task_id)
return StreamingResponse(
event_stream(),
media_type="text/event-stream",
headers={"Cache-Control": "no-cache", "Connection": "keep-alive"},
)
class VideoStopRequest(BaseModel):
task_ids: List[str]
@router.post("/video/stop", dependencies=[Depends(verify_function_key)])
async def function_video_stop(data: VideoStopRequest):
removed = await _drop_sessions(data.task_ids or [])
return {"status": "success", "removed": removed}
__all__ = ["router"]
|