373 lines
16 KiB
Python
373 lines
16 KiB
Python
"""API v3 简化超分任务。
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不使用复杂的 CeleryRuntimeLease 锁机制，直接执行超分流程。
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"""
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from __future__ import annotations
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import logging
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from datetime import datetime, timezone
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import os
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from typing import Any
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from app.config import settings
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from app.enums.celery_queue import CeleryQueue
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from app.services.video_upscale.volc_service import VolcSubmitResult, VolcQueryResult
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from app.tasks.api_celery_app import celery_app
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logger = logging.getLogger("videogen")
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def _now() -> datetime:
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"""获取当前时间（UTC）。"""
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return datetime.now(timezone.utc)
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def _now_str() -> str:
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"""获取当前日期字符串。"""
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return _now().strftime("%Y%m%d")
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def _format_time(dt: datetime | None) -> str | None:
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"""格式化时间为字符串（北京时间）。"""
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if dt is None:
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return None
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from datetime import timedelta
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beijing_time = dt + timedelta(hours=8)
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return beijing_time.strftime("%Y-%m-%d %H:%M:%S")
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async def _maybe_delete_source_file(db, upscale) -> None:
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"""根据超分配置决定是否删除源文件。"""
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if not upscale.source_local_path or not upscale.api_generation_task_id:
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return
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from app.models.api.api_key_upscale_config import ApiKeyUpscaleConfig
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from app.models.api.api_generation_task import ApiGenerationTask
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from sqlalchemy import select
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# 获取 API Key ID
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api_task_result = await db.execute(
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select(ApiGenerationTask.api_key_id).where(
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ApiGenerationTask.id == upscale.api_generation_task_id
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).limit(1)
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)
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api_key_id = api_task_result.scalar_one_or_none()
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if not api_key_id:
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return
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# 查询超分配置
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config_result = await db.execute(
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select(ApiKeyUpscaleConfig).where(
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ApiKeyUpscaleConfig.api_key_id == api_key_id
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).limit(1)
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)
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upscale_config = config_result.scalar_one_or_none()
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# 只有配置了"成功后删除源文件"才删除
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if upscale_config and upscale_config.delete_source_after_success:
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source_abs = os.path.abspath(upscale.source_local_path)
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if os.path.exists(source_abs):
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os.remove(source_abs)
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logger.info("Deleted source file after upscale: %s", source_abs)
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@celery_app.task(
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name="api_upscale.execute_local_simple",
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bind=True,
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max_retries=2,
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soft_time_limit=600,
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time_limit=900,
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)
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def api_upscale_execute_local_simple(self, upscale_task_id: str) -> dict[str, Any]:
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"""简化版本地超分执行（API v3 专用）。"""
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from app.models.base import async_session
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from app.models.video_upscale_task import VideoUpscaleTask
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from app.services.video_upscale.local_ffmpeg_service import execute_local_ffmpeg_crop
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from sqlalchemy import select
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async def _execute():
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async with async_session() as db:
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result = await db.execute(
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select(VideoUpscaleTask).where(VideoUpscaleTask.id == upscale_task_id).limit(1)
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)
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upscale = result.scalar_one_or_none()
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if not upscale:
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return {"status": "not_found"}
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if upscale.status == "completed":
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return {"status": "already_completed"}
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# 更新状态为处理中
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upscale.status = "processing"
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upscale.stage = "local_processing"
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upscale.attempt_count = int(upscale.attempt_count or 0) + 1
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upscale.started_at = upscale.started_at or __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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await db.commit()
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try:
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# 构建输出路径
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date_dir = _now_str()
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final_local_path = f"./storage/generate/api/videos/{date_dir}/{upscale.api_generation_task_id or 'unknown'}.mp4"
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# 执行本地 FFmpeg 超分
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output_path = await execute_local_ffmpeg_crop(
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source_path=upscale.source_local_path,
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final_path=final_local_path,
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target_width=int(upscale.target_width or 0),
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target_height=int(upscale.target_height or 0),
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)
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# 计算相对 URL 路径
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url_path = f"/generate/api/videos/{date_dir}/{upscale.api_generation_task_id}.mp4"
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# 更新成功状态
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upscale.status = "completed"
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upscale.stage = "upscale_completed"
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upscale.final_local_path = final_local_path
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upscale.final_resource_url = url_path # 相对 URL
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upscale.completed_at = _now()
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# 更新 API 任务的 video_url（使用相对 URL）
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if upscale.api_generation_task_id:
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from app.models.api.api_generation_task import ApiGenerationTask
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api_result = await db.execute(
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select(ApiGenerationTask).where(ApiGenerationTask.id == upscale.api_generation_task_id).limit(1)
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)
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api_task = api_result.scalar_one_or_none()
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if api_task:
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api_task.video_url = url_path # 相对 URL
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api_task.status = "completed"
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api_task.pipeline_stage = "done"
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api_task.generated_at = upscale.completed_at
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await db.commit()
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return {"status": "completed", "output_path": output_path}
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except Exception as exc:
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upscale.status = "failed"
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upscale.stage = "failed"
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upscale.failure_count = int(upscale.failure_count or 0) + 1
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upscale.last_error = str(exc)[:500]
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upscale.failed_at = __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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await db.commit()
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raise
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from app.tasks.async_runner import run_async
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return run_async(_execute())
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@celery_app.task(
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name="api_upscale.submit_remote_simple",
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bind=True,
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max_retries=2,
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soft_time_limit=600,
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time_limit=900,
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)
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def api_upscale_submit_remote_simple(self, upscale_task_id: str) -> dict[str, Any]:
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"""简化版远程超分提交（API v3 专用）。"""
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from app.models.base import async_session
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from app.models.video_upscale_task import VideoUpscaleTask
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from app.services.video_upscale.volc_service import submit_video_enhance, VolcSubmitResult
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from sqlalchemy import select
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async def _execute():
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async with async_session() as db:
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result = await db.execute(
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select(VideoUpscaleTask).where(VideoUpscaleTask.id == upscale_task_id).limit(1)
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)
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upscale = result.scalar_one_or_none()
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if not upscale:
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return {"status": "not_found"}
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if upscale.status == "completed":
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return {"status": "already_completed"}
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# 更新状态
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upscale.status = "processing"
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upscale.stage = "remote_submitting"
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upscale.attempt_count = int(upscale.attempt_count or 0) + 1
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upscale.started_at = upscale.started_at or __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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await db.commit()
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try:
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# 提交到火山 MediaKit
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from app.utils.id_gen import generate_id
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# 从 API 任务获取超分快照
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import json
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api_snapshot = {}
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if upscale.api_generation_task_id:
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from app.models.api.api_generation_task import ApiGenerationTask
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api_result = await db.execute(
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__import__("sqlalchemy").select(ApiGenerationTask).where(ApiGenerationTask.id == upscale.api_generation_task_id).limit(1)
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)
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api_task = api_result.scalar_one_or_none()
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if api_task and api_task.video_upscale_snapshot_json:
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try:
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api_snapshot = json.loads(api_task.video_upscale_snapshot_json)
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except (json.JSONDecodeError, TypeError):
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pass
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submit_result: VolcSubmitResult = await submit_video_enhance(
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processor_key=upscale.processor_key,
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video_url=upscale.source_remote_url or "",
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target_resolution=api_snapshot.get("target_resolution", "1080p"),
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target_width=int(upscale.target_width or 0),
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target_height=int(upscale.target_height or 0),
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processor=api_snapshot.get("processor", {}),
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client_token=generate_id(),
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)
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# 更新成功状态
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upscale.provider_task_id = submit_result.task_id
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upscale.provider_submitted_at = __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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upscale.provider_request_json = json.dumps(submit_result.request_payload, ensure_ascii=False) if submit_result.request_payload else None
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upscale.provider_response_json = json.dumps(submit_result.response_payload, ensure_ascii=False) if submit_result.response_payload else None
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upscale.celery_task_id = self.request.id if hasattr(self, 'request') else None
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upscale.status = "processing"
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upscale.stage = "remote_polling"
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await db.commit()
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# 立即触发第一次轮询
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api_upscale_poll_remote_simple.apply_async(
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args=[upscale_task_id],
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countdown=30,
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queue=CeleryQueue.GEN_API_UPSCALE.value,
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)
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return {"status": "submitted", "provider_task_id": submit_result.task_id}
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except Exception as exc:
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upscale.status = "failed"
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upscale.stage = "failed"
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upscale.failure_count = int(upscale.failure_count or 0) + 1
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upscale.last_error = str(exc)[:500]
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upscale.failed_at = __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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await db.commit()
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raise
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from app.tasks.async_runner import run_async
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return run_async(_execute())
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@celery_app.task(
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name="api_upscale.poll_remote_simple",
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bind=True,
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max_retries=10,
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soft_time_limit=120,
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time_limit=300,
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)
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def api_upscale_poll_remote_simple(self, upscale_task_id: str) -> dict[str, Any]:
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"""简化版远程超分轮询（API v3 专用）。"""
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from app.models.base import async_session
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from app.models.video_upscale_task import VideoUpscaleTask
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from app.services.video_upscale.volc_service import query_task
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from sqlalchemy import select
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async def _execute():
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async with async_session() as db:
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result = await db.execute(
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select(VideoUpscaleTask).where(VideoUpscaleTask.id == upscale_task_id).limit(1)
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)
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upscale = result.scalar_one_or_none()
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if not upscale or upscale.status == "completed":
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return {"status": "not_found_or_completed"}
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try:
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# 查询火山 MediaKit 状态
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query_result = await query_task(upscale.provider_task_id)
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status = query_result.status
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if status == "completed":
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# 超分完成
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output_url = query_result.result.get("video_url", "") if query_result.result else ""
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upscale.provider_output_url = output_url
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upscale.provider_output_url_expires_at = __import__("datetime").datetime.fromtimestamp(query_result.expires_at, tz=__import__("datetime").timezone.utc) if query_result.expires_at else None
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import os
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from app.services.video_gen import download_video
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api_task_id = upscale.api_generation_task_id
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final_path = None
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try:
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# 直接下载到最终路径
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date_dir = _now_str()
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# 相对 URL 路径
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url_path = f"/generate/api/videos/{date_dir}/{api_task_id}.mp4"
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# 绝对文件路径
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z_url_path = f"./storage/generate/api/videos/{date_dir}/{api_task_id}.mp4"
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abs_path = os.path.abspath(z_url_path)
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os.makedirs(os.path.dirname(abs_path), exist_ok=True)
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await download_video(output_url, abs_path)
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upscale.final_local_path = z_url_path
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upscale.final_resource_url = url_path # 相对 URL
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final_path = url_path
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# 检查 API Key 超分配置中的"成功后删除源文件"设置
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_maybe_delete_source_file(db, upscale)
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except Exception:
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upscale.final_local_path = output_url
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upscale.final_resource_url = output_url
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final_path = output_url
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upscale.status = "completed"
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upscale.stage = "upscale_completed"
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upscale.completed_at = _now()
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# 获取文件大小
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try:
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import os
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abs_path = os.path.abspath(final_path) if final_path and final_path.startswith(".") else None
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if abs_path and os.path.exists(abs_path):
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upscale.final_file_size_bytes = os.path.getsize(abs_path)
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except Exception:
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pass
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# 更新 API 任务
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if api_task_id:
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from app.models.api.api_generation_task import ApiGenerationTask
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api_result = await db.execute(
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select(ApiGenerationTask).where(ApiGenerationTask.id == api_task_id).limit(1)
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)
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api_task = api_result.scalar_one_or_none()
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if api_task:
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api_task.video_url = final_path or output_url
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api_task.status = "completed"
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api_task.pipeline_stage = "done"
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api_task.generated_at = upscale.completed_at
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await db.commit()
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return {"status": "completed", "output_url": final_path or output_url}
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elif status == "failed":
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upscale.status = "failed"
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upscale.stage = "failed"
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upscale.failure_count = int(upscale.failure_count or 0) + 1
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upscale.last_error = str(query_result.error) if query_result.error else "超分失败"
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upscale.failed_at = __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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await db.commit()
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return {"status": "failed"}
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else:
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# 仍在处理中，继续轮询
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upscale.stage = "remote_polling"
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await db.commit()
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# 重新调度下一次轮询
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api_upscale_poll_remote_simple.apply_async(
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args=[upscale_task_id],
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countdown=30,
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queue=CeleryQueue.GEN_API_UPSCALE.value,
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)
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return {"status": "polling"}
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except Exception as exc:
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upscale.failure_count = int(upscale.failure_count or 0) + 1
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upscale.last_error = str(exc)[:500]
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await db.commit()
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raise
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from app.tasks.async_runner import run_async
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return run_async(_execute())
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