785d7563f9
new file: app/amazon/del_brand.py new file: app/amazon/main.py modified: app/blueprints/__pycache__/brand.cpython-39.pyc modified: app/blueprints/__pycache__/communication.cpython-39.pyc modified: app/blueprints/__pycache__/main.cpython-39.pyc modified: app/blueprints/brand.py new file: "app/blueprints/brand_\345\244\207\344\273\275.py" modified: app/blueprints/communication.py modified: app/blueprints/main.py modified: app/config.py modified: app/main.py
83 lines
3.2 KiB
Python
83 lines
3.2 KiB
Python
import threading
|
||
import time
|
||
from queue import Empty, Full
|
||
|
||
from flask import Blueprint, jsonify, request
|
||
|
||
from config import JSON_TASK_QUEUE,runing_task
|
||
|
||
|
||
communication_bp = Blueprint('communication', __name__)
|
||
|
||
_del_brand_cache = {}
|
||
_del_brand_cache_lock = threading.Lock()
|
||
_latest_del_brand_item = None
|
||
_latest_del_brand_ts = 0.0
|
||
|
||
|
||
def _resolve_request_id():
|
||
rid = request.args.get('id')
|
||
if rid is not None and str(rid).strip() != '':
|
||
return str(rid)
|
||
if request.method == 'POST':
|
||
body = request.get_json(silent=True) or {}
|
||
rid = body.get('id')
|
||
if rid is not None and str(rid).strip() != '':
|
||
return str(rid)
|
||
return None
|
||
|
||
|
||
@communication_bp.route('/api/amazon/del_brand', methods=['GET', 'POST'])
|
||
def del_brand():
|
||
"""返回队列中的一个元素；同一 id 重复请求返回已缓存的同一元素；2分钟内不同 id 也返回最近元素。"""
|
||
global _latest_del_brand_item, _latest_del_brand_ts
|
||
request_id = _resolve_request_id()
|
||
if not request_id:
|
||
return jsonify({'success': False, 'message': '缺少参数 id', 'data': None}), 400
|
||
|
||
with _del_brand_cache_lock:
|
||
if request_id in _del_brand_cache:
|
||
item = _del_brand_cache[request_id]
|
||
print("【删除品牌】缓存命中", request_id, item)
|
||
return jsonify({'success': True, 'data': item})
|
||
if _latest_del_brand_item is not None and (time.time() - _latest_del_brand_ts) <= 120:
|
||
_del_brand_cache[request_id] = _latest_del_brand_item
|
||
print("【删除品牌】2分钟窗口命中", request_id, _latest_del_brand_item)
|
||
return jsonify({'success': True, 'data': _latest_del_brand_item})
|
||
|
||
try:
|
||
item = JSON_TASK_QUEUE.get_nowait()
|
||
except Empty:
|
||
print("队列为空")
|
||
return jsonify({'success': False, 'message': '队列为空', 'data': None})
|
||
|
||
with _del_brand_cache_lock:
|
||
if request_id in _del_brand_cache:
|
||
try:
|
||
JSON_TASK_QUEUE.put_nowait(item)
|
||
except Full:
|
||
print("【删除品牌】队列已满，无法归还重复拉取的任务")
|
||
item = _del_brand_cache[request_id]
|
||
print("【删除品牌】并发归并", request_id, item)
|
||
return jsonify({'success': True, 'data': item})
|
||
_del_brand_cache[request_id] = item
|
||
_latest_del_brand_item = item
|
||
_latest_del_brand_ts = time.time()
|
||
print("【删除品牌】返回任务数据", item)
|
||
return jsonify({'success': True, 'data': item})
|
||
|
||
|
||
@communication_bp.route('/api/amazon/get_all_detail', methods=['GET', 'POST'])
|
||
def get_all_detail():
|
||
"""获取正在执行的删除品牌任务详情"""
|
||
request_id = _resolve_request_id()
|
||
if not request_id: #如果没有提供 id 参数，直接返回所有正在执行的任务详情
|
||
return jsonify({'success': True, 'data': runing_task})
|
||
task_info = runing_task.get(request_id)
|
||
if not task_info:
|
||
return jsonify({'success': False, 'message': '任务不存在', 'data': None})
|
||
return jsonify({'success': True, 'data': task_info})
|
||
|
||
|
||
|