286 lines
10 KiB
Python
286 lines
10 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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API Client Module
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API 客户端模块
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Handles communication with AI video generation APIs.
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"""
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import os
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import time
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from typing import Dict, Any, Optional, Callable
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import sys
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from ..config import settings
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from ..utils import setup_logger
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logger = setup_logger(__name__)
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class APIClient:
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"""Client for AI video generation API."""
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def __init__(self, api_key: str = None, base_url: str = None):
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"""
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Initialize API client.
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Args:
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api_key: API key for authentication
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base_url: Base URL for API endpoints
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"""
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self.api_key = api_key or os.getenv('AI_VIDEO_API_KEY', '21575c22-14aa-40ca-8aa8-f00ca27a3a17')
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self.base_url = base_url or os.getenv('AI_VIDEO_BASE_URL', 'https://ark.cn-beijing.volces.com/api/v3')
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# Model configurations
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self.models = {
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'lite': {
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'name': 'doubao-seedance-1-0-lite-i2v-250428',
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'resolution': '720p'
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},
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'pro': {
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'name': 'doubao-seedance-1-0-pro-250528',
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'resolution': '1080p'
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}
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}
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def submit_task(self, prompt: str, img_url: str, duration: str = '5', model_type: str = 'lite') -> Dict[str, Any]:
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"""
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Submit video generation task.
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Args:
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prompt: Text prompt for video generation
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img_url: URL of the input image (http/https URL or file:// for local files)
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duration: Video duration ('5' or '10')
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model_type: Model type ('lite' or 'pro')
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Returns:
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Dictionary with task submission result
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"""
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result = {'status': False, 'data': None, 'msg': ''}
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if duration not in ('5', '10'):
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result['msg'] = 'Duration must be either 5 or 10'
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return result
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if model_type not in self.models:
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result['msg'] = f'Model type must be one of: {list(self.models.keys())}'
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return result
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# Handle local file URLs
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if img_url.startswith('file://'):
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result['status'] = False
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result['msg'] = 'Local files are not supported by the API. Please upload the image to cloud storage first.'
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logger.error(f"Local file URL not supported: {img_url}")
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return result
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try:
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import requests
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model_config = self.models[model_type]
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headers = {
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'Content-Type': 'application/json',
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'Authorization': f'Bearer {self.api_key}',
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}
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json_data = {
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'model': model_config['name'],
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'content': [
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{
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'type': 'text',
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'text': f'{prompt} --resolution {model_config["resolution"]} --dur {duration} --camerafixed false',
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},
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{
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'type': 'image_url',
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'image_url': {
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'url': img_url,
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},
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},
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],
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}
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response = requests.post(
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f'{self.base_url}/contents/generations/tasks',
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headers=headers,
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json=json_data,
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timeout=30
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)
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# Check HTTP status code
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if response.status_code != 200:
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error_msg = f"API request failed, status code: {response.status_code}, response: {response.text}"
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logger.error(error_msg)
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result['msg'] = error_msg
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return result
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resp_json = response.json()
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# Check if response contains id field
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if 'id' not in resp_json:
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error_msg = f"API response missing id field, response: {resp_json}"
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logger.error(error_msg)
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result['msg'] = error_msg
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return result
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job_id = resp_json['id']
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result['status'] = True
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result['data'] = job_id
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result['msg'] = 'Task submitted successfully'
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logger.info(f"Task submitted successfully, job ID: {job_id}")
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except Exception as e:
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import traceback
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error_details = {
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'error_type': type(e).__name__,
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'error_message': str(e),
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'traceback': traceback.format_exc()
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}
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logger.error(f"Failed to submit task: {error_details['error_type']}: {error_details['error_message']}")
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logger.error(f"Traceback: {error_details['traceback']}")
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result['msg'] = f"{error_details['error_type']}: {error_details['error_message']}"
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result['error_details'] = error_details
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return result
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def query_task_status(self, job_id: str) -> Dict[str, Any]:
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"""
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Query task status.
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Args:
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job_id: Task ID to query
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Returns:
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Dictionary with task status
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"""
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result = {'status': False, 'data': None, 'msg': ''}
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try:
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import requests
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headers = {
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'Content-Type': 'application/json',
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'Authorization': f'Bearer {self.api_key}',
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}
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response = requests.get(
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f'{self.base_url}/contents/generations/tasks/{job_id}',
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headers=headers,
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timeout=30
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)
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if response.status_code != 200:
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result['msg'] = f"API request failed, status code: {response.status_code}"
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return result
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resp_json = response.json()
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# Parse response
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task_status = resp_json.get('status', 'unknown')
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result['msg'] = task_status
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if task_status == 'succeeded':
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result['status'] = True
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result['data'] = resp_json.get('content', {}).get('video_url')
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elif task_status in ['failed', 'cancelled']:
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result['status'] = False
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result['data'] = None
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else:
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# Still running, pending, or queued
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result['status'] = False
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result['data'] = None
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except Exception as e:
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logger.error(f"Failed to query task status: {str(e)}")
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result['msg'] = str(e)
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return result
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def wait_for_completion(self, job_id: str, timeout: int = 180, interval: int = 2,
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progress_callback: Optional[Callable[[str], None]] = None) -> Dict[str, Any]:
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"""
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Wait for task completion with progress updates.
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Args:
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job_id: Task ID to wait for
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timeout: Maximum wait time in seconds
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interval: Check interval in seconds
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progress_callback: Optional callback for progress updates
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Returns:
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Dictionary with final result
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"""
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result = {'status': False, 'data': None, 'msg': ''}
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end_time = time.time() + timeout
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wait_count = 0
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if progress_callback:
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progress_callback(f"开始查询任务状态，任务ID: {job_id}")
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while time.time() < end_time:
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status_result = self.query_task_status(job_id)
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if status_result['status']:
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# Task completed successfully
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result['status'] = True
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result['data'] = status_result['data']
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result['msg'] = 'succeeded'
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if progress_callback:
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progress_callback("[完成] 视频生成完成！")
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break
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elif status_result['msg'] == 'running':
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wait_count += 1
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elapsed = wait_count * interval
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remaining = max(0, timeout - elapsed)
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progress_msg = f"[运行中] 任务运行中，已等待{elapsed}秒，预计剩余{remaining}秒..."
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logger.info(progress_msg)
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if progress_callback:
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progress_callback(progress_msg)
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# Send detailed progress via JSON-RPC
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from .json_rpc import create_progress_reporter
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progress = create_progress_reporter()
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progress.update(
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step="running",
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progress=min(100, (elapsed / timeout) * 100),
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message=progress_msg,
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details={
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"elapsed_seconds": elapsed,
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"remaining_seconds": remaining,
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"total_timeout": timeout
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}
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)
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time.sleep(interval)
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elif status_result['msg'] == 'failed':
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result['msg'] = '任务执行失败'
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if progress_callback:
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progress_callback("[失败] 任务执行失败")
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break
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elif status_result['msg'] in ['pending', 'queued']:
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wait_count += 1
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elapsed = wait_count * interval
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remaining = max(0, timeout - elapsed)
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progress_msg = f"[排队中] 任务排队中，已等待{elapsed}秒，预计剩余{remaining}秒..."
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logger.info(progress_msg)
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if progress_callback:
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progress_callback(progress_msg)
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time.sleep(interval)
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else:
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# Unknown status, continue waiting
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wait_count += 1
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logger.info(f"未知状态: {status_result['msg']}，继续等待...")
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if progress_callback:
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progress_callback(f"[未知] 状态: {status_result['msg']}，继续等待...")
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time.sleep(interval)
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if not result['status'] and result['msg'] == '':
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result['msg'] = '任务超时'
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if progress_callback:
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progress_callback(f"[超时] 任务查询超时({timeout}秒)")
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return result
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