def on_participate(self, request):
#获取分组列表
alts = request.args.getlist('alternatives')
# alt_fractions = request.args.getlist('alt_fractions')
experiment_name = request.args.get('experiment') #实验名称
force = request.args.get('force')
#获取record_force参数，并进行to_bool判断若为[y,ture,yes],返回Ture,否则False
record_force = to_bool(request.args.get('record_force', 'false'))
client_id = request.args.get('client_id') #获取client_id
traffic_fraction = request.args.get('traffic_fraction') #获取参与比例
if traffic_fraction is not None:
traffic_fraction = float(
traffic_fraction) #若traffic_fraction存在则转为float()
prefetch = to_bool(request.args.get(
'prefetch',
'false')) #获取prefetch，并进行to_bool判断若为[y,ture,yes],返回Ture,否则Fals
if client_id is None or experiment_name is None or alts is None: #三个必要参数，否则返回400
return json_error({'message': 'missing arguments'}, request, 400)
dt = None
if request.args.get(
"datetime"): #获取datetime参数，转化为datetime.datetime()类型，没有则默认None
dt = dateutil.parser.parse(request.args.get("datetime"))
try:
if should_exclude_visitor(
request): #判断user_agent是爬虫或者IP为指定排除的ip,则拒绝参与
exp = Experiment.find(experiment_name, redis=self.redis)
if exp.winner is not None: #判断是否已经胜出
alt = exp.winner
else:
alt = exp.control #没有胜出，返回分组中的第一个赋值给alt
else:
alt = participate(
experiment_name,
alts,
client_id,
force=force,
record_force=record_force,
traffic_fraction=traffic_fraction,
# alt_fraction=alt_fractions,
prefetch=prefetch,
datetime=dt,
redis=self.redis)
except ValueError as e:
return json_error({'message': str(e)}, request, 400)
resp = {
'alternative': {
'name': alt.name
},
'experiment': {
'name': alt.experiment.name,
},
'client_id': client_id,
'status': 'ok'
}
return json_success(resp, request)
def on_participate(self, request):
alts = request.args.getlist('alternatives')
experiment_name = request.args.get('experiment')
bucket = request.args.get('bucket')
force = request.args.get('force')
client_id = request.args.get('client_id')
traffic_fraction = request.args.get('traffic_fraction')
if traffic_fraction is not None:
traffic_fraction = float(traffic_fraction)
prefetch = to_bool(request.args.get('prefetch', 'false'))
if client_id is None or experiment_name is None or alts is None:
return json_error({'message': 'missing arguments'}, request, 400)
dt = None
if request.args.get("datetime"):
dt = dateutil.parser.parse(request.args.get("datetime"))
if should_exclude_visitor(request):
exp = Experiment.find(experiment_name, redis=self.redis)
if exp.winner is not None:
alt = exp.winner
else:
alt = exp.control
else:
try:
alt = participate(experiment_name,
alts,
client_id,
force=force,
bucket=bucket,
traffic_fraction=traffic_fraction,
prefetch=prefetch,
datetime=dt,
redis=self.redis)
except ValueError as e:
return json_error({'message': str(e)}, request, 400)
resp = {
'alternative': {
'name': alt.name
},
'experiment': {
'name': alt.experiment.name,
},
'client_id': client_id,
'status': 'ok'
}
return json_success(resp, request)
def on_participate(self, request):
alts = request.args.getlist('alternatives')
experiment_name = request.args.get('experiment')
force = request.args.get('force')
record_force = to_bool(request.args.get('record_force', 'false'))
client_id = request.args.get('client_id')
traffic_fraction = request.args.get('traffic_fraction')
if traffic_fraction is not None:
traffic_fraction = float(traffic_fraction)
prefetch = to_bool(request.args.get('prefetch', 'false'))
if client_id is None or experiment_name is None or alts is None:
return json_error({'message': 'missing arguments'}, request, 400)
dt = None
if request.args.get("datetime"):
dt = dateutil.parser.parse(request.args.get("datetime"))
try:
if should_exclude_visitor(request):
exp = Experiment.find(experiment_name, redis=self.redis)
if exp.winner is not None:
alt = exp.winner
else:
alt = exp.control
else:
alt = participate(experiment_name, alts, client_id,
force=force, record_force=record_force,
traffic_fraction=traffic_fraction,
prefetch=prefetch, datetime=dt, redis=self.redis)
except ValueError as e:
return json_error({'message': str(e)}, request, 400)
resp = {
'alternative': {
'name': alt.name
},
'experiment': {
'name': alt.experiment.name,
},
'client_id': client_id,
'status': 'ok'
}
return json_success(resp, request)