python3線程池ThreadPoolExecutor處理csv文件數據

# -*- coding:utf-8 -*-
# @FileName:grade_update.py
# @Desc    :在一臺超級計算機上運行過的牛逼Python代碼
import time
from concurrent.futures import ThreadPoolExecutor,FIRST_COMPLETED,wait
import requests
import pymysql
from projectPath import path
gradeId = [4303, 4304, 1000926, 1000927]
def writ_mysql():
    """
    數據庫連接
    """
    return pymysql.connect(host="localhost",
                         port=3306,
                         user="admin",
                         password="admin",
                         database="test"
                         )
def oprationdb(grade_id, member_id):
  """
  操作數據庫
  """
    db = writ_mysql()
    try:
        cursor = db.cursor()
        sql = f"UPDATE `t_m_member_grade` SET `current_grade_id`={grade_id}, `modified` =now() WHERE `member_id`={member_id};"
        cursor.execute(sql)
        db.commit()
        print(f"提交的SQL->{sql}")
    except pymysql.Error as e:
        db.rollback()
        print("DB數據庫異常：", e)
    db.close()
    return True
def interface(rows, thead):
  """
  調用第三方接口
  """
    print(f"處理數據行數--->{thead}----數據--->{rows}")
    try:
        url = "http://xxxx/api/xxx-data/Tmall/bindQuery"
        body = {
            "nickname": str(rows[0]),
            "seller_name": "test",
            "mobile": "111"
        }
        heade={"Content-Type": "application/x-www-form-urlencoded"}
        res = requests.post(url=url, data=body,headers=heade)
        result = res.json()
        if result["data"]["status"] in [1, 2]:
            grade = result["data"]["member"]["level"]
            grade_id = gradeId[grade]
            oprationdb(grade_id=grade_id, member_id=rows[1])
            return True
        return True
    except Exception as e:
        print(f"調用異常:{e}")
def read_csv():
    import csv
    # db = writ_mysql()
    #線程數
    MAX_WORKERS=5
    with ThreadPoolExecutor(MAX_WORKERS) as pool:
        with open(path + '/file/result2_colu.csv', 'r', newline='', encoding='utf-8') as f:
            #set() 函數創建無序不重復元素集
            seq_notdone = set()
            seq_done = set()
            # 使用csv的reader()方法，創建一個reader對象
            reader = csv.reader(f)
            n = 0
            for row in reader:
                n += 1
                # 遍歷reader對象的每一行
                try:
                    seq_notdone.add(pool.submit(interface, rows=row, thead=n))
                    if len(seq_notdone) >= MAX_WORKERS:
                        #FIRST_COMPLETED文檔說明 -- Return when any future finishes or is cancelled.
                        done, seq_notdone = wait(seq_notdone,return_when=FIRST_COMPLETED)
                        seq_done.update(done)
                except Exception as e:
                    print(f"解析結果出錯：{e}")
    # db.close()
    return "完成"
if __name__ == '__main__':
    read_csv()