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sqlalchemy报错

二零二一年十一月七日使用gunicorn服务进行项目部署gunicorn.conf.py# 导入获取cpu核数的包import multiprocessing# 导入获取本地计算机名称的包import getpass# 指定运行的worlers个数workers = mutiprocessing.cpu_count * 2 + 1# 获取本地的用户名（也就是本地电脑的名称）local_host_name = getpass.getuser()4绑定的端口号bing = '0.0.0

代码如下path = os.getcwd() + '/file/package' file_dir = os.path.join(os.getcwd(), path) file_path = os.path.join(file_dir, file.filename) file.save(file_path) wb = xlrd.open_workbook(str(file_path)) sh = wb.sheet_by_nam

我在给flask增加装饰器的时候报错 AssertionError: View function mapping is overwriting an existing endpoint fu解决办法from functools import wrapsdef verification_token(f):"""校验token:param token::return:"""@wraps(f)def wrapper(*args, **kwargs): try: resp

flask 下载本地文件from flask import request, Response, send_from_directory file_name = request.args.get("file_name")# 判断有有无此文件夹base_dir = os.getcwd() + '/file/ready_write/'if not os.path.exists(base_dir + file_name): return json.dumps({ "msg

Flask0.12.4 升级至2.0 报错Traceback (most recent call last): File "/home/ywz/work/token/tctoken/manage.py", line 3, in <module> from application import init_app File "/home/ywz/work/token/tctoken/application/__init__.py", line 5, in <module&gt

现在有个业务需求需要批量更新某些字段 批量更新db.session.bulk_update_mappings( Card, # 当前映射类 [*max_obj] # 列表里套的是字典打散 ) db.session.commit()注意点 批量更新要的是ID字段 需要注意ID填写...

今日报错raise errorclass(errno, errval)sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (1049, “Unknown database ‘imei/test’”)(Background on this error at: http://sqlalche.me/e/14/e3q8)数据库指定错误