def do_start(cls, request):
task_id = request.POST.get("task_id")
try:
int(task_id)
except ValueError:
return HttpResponse(json_error('任务id格式有误'))
try:
task = Task.objects.get(id=task_id)
if task.status == TASK.RUNNING:
return HttpResponse(json_error('该任务正在运行，请先停止'))
except Exception:
return HttpResponse(json_error('该任务已不存在，请刷新重试'))
else:
cmd = {'action':'start','task_ids':task_id}
res = send_request(cls.MODULE_NAME, cmd)
if res['success']:
task.status = TASK.RUNNING
task.progress = ''
task.spider_flag = TASK.WAIT
task.start_time = datetime.now()
task.end_time = None
task.save()
msg = json_success('start')
else:
msg = json_error('命令执行失败')
return HttpResponse(msg)
def do_start(cls, request):
task_id = request.POST.get("task_id")
try:
int(task_id)
except ValueError:
return HttpResponse(json_error('任务id格式有误'))
try:
task = Task.objects.get(id=task_id)
if task.status == TASK.RUNNING:
return HttpResponse(json_error('该任务正在运行，请先停止'))
except Exception:
return HttpResponse(json_error('该任务已不存在，请刷新重试'))
else:
cmd = {'action': 'start', 'task_ids': task_id}
res = send_request(cls.MODULE_NAME, cmd)
if res['success']:
task.status = TASK.RUNNING
task.progress = ''
task.spider_flag = TASK.WAIT
task.start_time = datetime.now()
task.end_time = None
task.save()
msg = json_success('start')
else:
msg = json_error('命令执行失败')
return HttpResponse(msg)
def do_delete(cls, request, delete_task=True):
task_ids = request.POST.get("task_id").split(',')
if Task.objects.filter(id__in=task_ids).filter(status=TASK.RUNNING).count()>0:
msg = json_error('任务正在运行，请重新选择！')
else:
if delete_task:
Task.objects.filter(id__in=task_ids).delete()
Result.objects.filter(task_id__in=task_ids).delete()
Url.objects.filter(task_id__in=task_ids).delete()
msg = json_success('success')
return HttpResponse(msg)
def do_delete(cls, request, delete_task=True):
task_ids = request.POST.get("task_id").split(',')
if Task.objects.filter(id__in=task_ids).filter(
status=TASK.RUNNING).count() > 0:
msg = json_error('任务正在运行，请重新选择！')
else:
if delete_task:
Task.objects.filter(id__in=task_ids).delete()
Result.objects.filter(task_id__in=task_ids).delete()
Url.objects.filter(task_id__in=task_ids).delete()
msg = json_success('success')
return HttpResponse(msg)
def do_stop(cls, request):
task_id = request.POST.get("task_id")
try:
int(task_id)
except ValueError:
return HttpResponse(json_error('任务id格式有误'))
try:
task = Task.objects.get(id=task_id)
if task.status != TASK.RUNNING:
return HttpResponse(json_error('该任务已经停止'))
except Exception:
return HttpResponse(json_error('该任务已不存在，请刷新重试'))
else:
cmd = {'action':'stop','task_ids':task_id}
res = send_request(cls.MODULE_NAME, cmd)
if res['success']:
task.status = TASK.STOP
task.save()
msg = json_success('stop')
else:
msg = json_error('命令执行失败')
return HttpResponse(msg)
def do_stop(cls, request):
task_id = request.POST.get("task_id")
try:
int(task_id)
except ValueError:
return HttpResponse(json_error('任务id格式有误'))
try:
task = Task.objects.get(id=task_id)
if task.status != TASK.RUNNING:
return HttpResponse(json_error('该任务已经停止'))
except Exception:
return HttpResponse(json_error('该任务已不存在，请刷新重试'))
else:
cmd = {'action': 'stop', 'task_ids': task_id}
res = send_request(cls.MODULE_NAME, cmd)
if res['success']:
task.status = TASK.STOP
task.save()
msg = json_success('stop')
else:
msg = json_error('命令执行失败')
return HttpResponse(msg)
def do_error(cls,request):
return HttpResponse(json_error('非法操作'))
def do_error(cls, request):
return HttpResponse(json_error('非法操作'))