def validate(self):
if not self.data:
raise ParameterException(detail=str(_("params error")))
# 检查输入的二维列表为二维，且每个元素为int
try:
check = sum(not isinstance(__, int) for _ in self.data for __ in _)
except TypeError:
raise ParameterException(detail=str(_("data维度必须是二维列表")))
if check:
raise ParameterException(detail=str(_("data元素必须为int")))
return self
def get_holding_stock_handler(**params):
"""
获取持仓数据
"""
df = _get_holding_stock(**params)
asceding, order_column = params.get(
'sort')[:1] == '+', params.get('sort')[1:]
if df.empty:
res = {
'items': [],
'total': 0
}
return res
if order_column not in df.columns:
raise ParameterException(detail='排序字段不在数据中:%s' % order_column)
df.sort_values(order_column,
ascending=[asceding], inplace=True)
df = df.reset_index()
df['id'] = df.index
data = df.to_dict('records')
res = {
'items': data,
'total': df.shape[0]
}
return res
def session_logout(request):
"""
Remove the authenticated user's ID from the request and flush their session
data.
"""
# Dispatch the signal before the user is logged out so the receivers have a
# chance to find out *who* logged out.
user = getattr(request, 'user', None)
if not getattr(user, 'is_authenticated', True):
user = None
# user_logged_out.send(sender=user.__class__, request=request, user=user)
# login check
session_key = getattr(request.session, 'session_key', None)
from django.contrib.sessions.models import Session
try:
session = Session.objects.get(session_key=session_key)
assert getattr(session, 'pk')
except Exception as e:
logging.info(six.text_type(e))
raise ParameterException(detail='Pls login in first!')
"""
session.flush()和session.clear()就针对session的一级缓存的处理。
简单的说，
1 session.flush()的作用就是将session的缓存中的数据与数据库同步。
2 session.clear()的作用就是清除session中的缓存数据（不管缓存与数据库的同步）。
执行完session.flush()时，并不意味着数据就肯定持久化到数据库中的，因为事务控制着数据库，如果事务提交失败了，缓存中的数据还是照样会被回滚的。
"""
request.session.flush()
if hasattr(request, 'user'):
from django.contrib.auth.models import AnonymousUser
request.user = AnonymousUser()
def Percentile_check(field_value):
from decimal import Decimal
try:
assert len(str(Decimal(field_value).quantize(Decimal('0.00')))) >= len(
field_value), '两位小数检查，field_value：{field_value}'.format(
field_value=field_value)
except Exception as e:
raise ParameterException(six.text_type(e))
def validate(self):
if not len(self.token.split('.')) == 3:
raise ParameterException(
'token应该包含 Header（头部）.Payload（负载）.Signature（签名）三个部分')
return self
def validate(self):
if self.indicator not in KpiFactory.options:
raise ParameterException(msg=str(_("params error")))
return self
