Sebastian Krüger
1a5c686dfc
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The original implementation used guessed endpoint paths that don't match
the actual Freepik API. Key fixes based on their OpenAPI spec:
- Task polling is per-endpoint (e.g. GET /v1/ai/text-to-image/flux-dev/{task-id})
not a generic /v1/ai/tasks/{id}. freepik_client now returns TaskResult
with status_path, and task_tracker polls using that path.
- Fixed endpoint paths: flux-pro -> flux-pro-v1-1, upscale -> image-upscaler,
relight -> image-relight, style-transfer -> image-style-transfer,
expand -> image-expand/flux-pro, inpaint -> ideogram-image-edit,
remove-background -> beta/remove-background, classifier -> classifier/image,
audio-isolate -> audio-isolation, icon -> text-to-icon
- Fixed video paths: kling -> kling-o1-pro with kling-o1 status path,
minimax -> minimax-hailuo-02-1080p, seedance -> seedance-pro-1080p
- Fixed request schemas to match actual API params (e.g. scale_factor
not scale, reference_image not style_reference, image_url for bg removal)
- Fixed response parsing: status is uppercase (COMPLETED not completed),
results in data.generated[] array, classifier returns [{class_name, probability}]
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
114 lines
4.0 KiB
Python
114 lines
4.0 KiB
Python
import asyncio
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import logging
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from datetime import datetime, timezone
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from fastapi import APIRouter, HTTPException, Query
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from app.schemas.common import TaskDetail, TaskResponse, TaskStatus
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from app.schemas.image_generation import (
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FluxDevRequest,
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FluxProRequest,
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MysticRequest,
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SeedreamRequest,
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)
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from app.services import task_tracker
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from app.services.freepik_client import TaskResult, _extract_task_id
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix='/api/v1/generate/image', tags=['image-generation'])
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async def _submit_and_respond(
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result: TaskResult,
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sync: bool,
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metadata: dict | None = None,
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) -> TaskResponse | TaskDetail:
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"""Extract task_id from Freepik response, track it, optionally wait."""
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freepik_task_id = _extract_task_id(result.data)
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if not freepik_task_id:
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raise HTTPException(status_code=502, detail='No task_id in Freepik response')
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internal_id = task_tracker.submit(freepik_task_id, result.status_path, metadata)
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if not sync:
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return TaskResponse(
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task_id=internal_id,
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status=TaskStatus.pending,
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created_at=datetime.now(timezone.utc),
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)
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# Sync mode: wait for completion
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from app.config import settings
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elapsed = 0
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while elapsed < settings.task_poll_timeout_seconds:
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await asyncio.sleep(2)
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elapsed += 2
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task = task_tracker.get_task(internal_id)
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if not task:
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raise HTTPException(status_code=500, detail='Task disappeared')
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if task['status'] == TaskStatus.completed:
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return TaskDetail(
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task_id=internal_id,
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status=TaskStatus.completed,
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created_at=task['created_at'],
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updated_at=task['updated_at'],
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progress=1.0,
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result_url=f'/api/v1/tasks/{internal_id}/result',
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)
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if task['status'] == TaskStatus.failed:
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raise HTTPException(status_code=502, detail=task.get('error', 'Task failed'))
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raise HTTPException(status_code=504, detail='Task did not complete in time')
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@router.post('/mystic', response_model=TaskResponse)
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async def generate_mystic(request: MysticRequest, sync: bool = Query(False)):
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from app.services import freepik_client
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result = await freepik_client.generate_mystic(
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prompt=request.prompt,
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resolution=request.resolution,
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aspect_ratio=request.aspect_ratio,
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model=request.model,
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seed=request.seed,
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styling=request.styling,
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structure_reference=request.structure_reference,
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style_reference=request.style_reference,
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)
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return await _submit_and_respond(result, sync, {'model': 'mystic'})
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@router.post('/flux-dev', response_model=TaskResponse)
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async def generate_flux_dev(request: FluxDevRequest, sync: bool = Query(False)):
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from app.services import freepik_client
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result = await freepik_client.generate_flux_dev(
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prompt=request.prompt,
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aspect_ratio=request.aspect_ratio,
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styling=request.styling,
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seed=request.seed,
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)
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return await _submit_and_respond(result, sync, {'model': 'flux-dev'})
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@router.post('/flux-pro', response_model=TaskResponse)
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async def generate_flux_pro(request: FluxProRequest, sync: bool = Query(False)):
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from app.services import freepik_client
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result = await freepik_client.generate_flux_pro(
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prompt=request.prompt,
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aspect_ratio=request.aspect_ratio,
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styling=request.styling,
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seed=request.seed,
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)
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return await _submit_and_respond(result, sync, {'model': 'flux-pro'})
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@router.post('/seedream', response_model=TaskResponse)
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async def generate_seedream(request: SeedreamRequest, sync: bool = Query(False)):
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from app.services import freepik_client
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result = await freepik_client.generate_seedream(
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prompt=request.prompt,
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aspect_ratio=request.aspect_ratio,
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seed=request.seed,
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)
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return await _submit_and_respond(result, sync, {'model': 'seedream'})
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