def cancel_spider():
"""
功能: 取消运行爬虫
:param: project_id: 工程id
:return: json.dumps({"code": 200, "status": "success/e"}), e指具体抛出的异常
"""
try:
# 获取工程id参数
project_id = request.form.get('project_id')
project_name = request.form.get('project_name')
job_instance_id = int(request.form.get('job_instance_id'))
# 同一个项目id可能有多条执行任务记录, 因此需要获取job_instance_id来判断要取消某个项目id下的第几条执行任务
job_execution = JobExecution.query.filter_by(
project_id=project_id, job_instance_id=job_instance_id).first()
agent.cancel_spider(job_execution, project_name)
return json.dumps({"code": 200, "status": "success"})
except Exception as e:
return json.dumps({"code": 500, "status": "error", "msg": "取消失败"})
def job_stop(project_id, job_exec_id):
job_execution = JobExecution.query.filter_by(project_id=project_id,
id=job_exec_id).first()
agent.cancel_spider(job_execution)
return redirect(request.referrer, code=302)
def put(self, project_id, job_exec_id):
job_execution = JobExecution.query.filter_by(project_id=project_id,
id=job_exec_id).first()
if job_execution:
agent.cancel_spider(job_execution)
return True
