# -*- coding: utf-8 -*-
"""diag-manual-fail.py — 查手工复核任务的失败明细原因（实锤缺省列）"""
import io, sys, pymysql
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')

conn = pymysql.connect(host='8.129.84.155', port=3306, user='root', password='Itc@123456',
                       database='crm', charset='utf8mb4', autocommit=True,
                       connect_timeout=10, cursorclass=pymysql.cursors.DictCursor)
with conn.cursor() as cur:
    cur.execute("SELECT row_num, fail_reason, CHAR_LENGTH(fail_reason) len "
                "FROM customer_import_fail WHERE task_id=%s ORDER BY id", (751743926301360128,))
    for r in cur.fetchall():
        print(f"row={r['row_num']} len={r['len']}")
        print('  reason:', (r['fail_reason'] or '')[:300].replace('\n', ' | '))