用于处理彩票的大数据算法
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import json
from orm_db import History, BlueForecastFiveAll, BlueForecastThreeAll, RedForecastAll, IndexGroup
from sqlalchemy import engine
from sqlalchemy.orm import sessionmaker, declarative_base
from sqlalchemy import select, insert, update, desc, asc, and_
# from sqlalchemy import Column, Integer, String, DATE
# 初始化数据库实例
DB_URI = 'mysql+pymysql://root:Sxzgx1209@home.rogersun.cn:3306/lottery'
db_engine = engine.create_engine(DB_URI, echo=False)
db_session = sessionmaker(bind=db_engine)()
def db_history_get_last_data():
try:
get_last_data_stmt = select(History).order_by(desc('id')).limit(1)
last_data_result = db_session.execute(get_last_data_stmt).scalar()
return history_scalar(last_data_result)
except Exception as e:
print(e)
return False
def db_history_get_all_data(_order='asc'):
try:
if _order == 'asc':
get_all_data_stmt = select(History).order_by(asc(History.id))
else:
get_all_data_stmt = select(History).order_by(desc(History.id))
all_data_result = db_session.execute(get_all_data_stmt).scalars()
return history_scalars(all_data_result)
except Exception as e:
print(e)
return False
def db_history_get_data_by_date_id(_date_id):
try:
get_by_open_date_stmt = select(History).where(History.dateId == _date_id)
open_date_result = db_session.execute(get_by_open_date_stmt).scalar()
return history_scalar(open_date_result)
except Exception as e:
print(e)
return False
def db_history_get_data_in_ids(_ids):
try:
get_in_ids_stmt = select(History).where(History.id.in_(_ids))
ids_result = db_session.execute(get_in_ids_stmt).scalars()
# print(history_scalars(ids_result))
return history_scalars(ids_result)
except Exception as e:
print(e)
return False
def db_blue_get_data_by_date_id(_date_id, _num):
try:
if _num == 3:
select_stmt = select(BlueForecastThreeAll).where(BlueForecastThreeAll.dateId == _date_id)
else:
select_stmt = select(BlueForecastFiveAll).where(BlueForecastFiveAll.dateId == _date_id)
select_result = db_session.execute(select_stmt).scalars()
return blue_scalars(select_result)
except Exception as e:
print(e)
def db_blue_insert(_data, _num):
try:
if _num == 5:
_table = BlueForecastFiveAll
elif _num == 3:
_table = BlueForecastThreeAll
else:
print('_num值错误')
blue_insert_stmt = insert(_table).values(_data)
insert_result = db_session.execute(blue_insert_stmt).rowcount
if insert_result > 0:
db_session.commit()
else:
db_session.rollback()
return insert_result
except Exception as e:
print(e)
def db_blue_update(_date_id, _data, _id, _num):
try:
if _num == 5:
_table = BlueForecastFiveAll
elif _num == 3:
_table = BlueForecastThreeAll
else:
print('_num值错误')
blue_update_stmt = update(_table).where(and_(_table.dateId == _date_id, _table.id == _id)).values(_data)
update_result = db_session.execute(blue_update_stmt).rowcount
if update_result > 0:
db_session.commit()
else:
db_session.rollback()
return update_result
except Exception as e:
print(e)
# def db_red_get_index():
# try:
# index_stmt = select(RedForecastAll.real_red_index_group)
# index_result = db_session.execute(index_stmt).scalars()
# index_result_list = []
# for index in index_result:
# if index is not None:
# index_result_list.append(json.loads(index))
# return index_result_list
# except Exception as e:
# print(e)
def db_red_get_data_by_date_id(_date_id):
try:
select_stmt = select(RedForecastAll).where(RedForecastAll.dateId == _date_id)
select_result = db_session.execute(select_stmt).scalars()
return red_scalars(select_result)
except Exception as e:
print(e)
def db_red_insert(_data):
try:
insert_stmt = insert(RedForecastAll).values(_data)
insert_result = db_session.execute(insert_stmt).rowcount
if insert_result > 0:
db_session.commit()
else:
db_session.rollback()
return insert_result
except Exception as e:
print(e)
def db_red_update(_id, _date_id, _data):
try:
print(_id)
print(_date_id)
print(_data)
update_stmt = update(RedForecastAll).where(
and_(RedForecastAll.dateId == _date_id, RedForecastAll.id == _id)).values(_data)
update_result = db_session.execute(update_stmt).rowcount
if update_result > 0:
db_session.commit()
else:
db_session.rollback()
return update_result
except Exception as e:
print(e)
def db_index_get_index_group(_type):
index_stmt = select(IndexGroup.index_group).where(IndexGroup.type == _type)
index_result = db_session.execute(index_stmt)
index_list = []
for index in index_result:
index_list.append(json.loads(index.index_group))
return index_list
def db_index_get_last_date_id(_type):
index_stmt = select(IndexGroup.dateId).where(IndexGroup.type == _type).order_by(desc(IndexGroup.id))
index_result = db_session.execute(index_stmt).scalars()
date_id_list = []
for row in index_result:
print(row)
date_id_list.append(row)
return date_id_list
def db_index_insert_index_group(_data):
try:
index_stmt = insert(IndexGroup).values(_data)
index_result = db_session.execute(index_stmt).rowcount
if index_result > 0:
db_session.commit()
else:
db_session.rollback()
return index_result
except Exception as e:
print(e)
def db_history_get_last_open_id():
date_id_stmt = select(History.dateId).order_by(desc(History.id)).limit(2)
date_id_result = db_session.execute(date_id_stmt).scalars()
date_id_list = [date_id for date_id in date_id_result]
return date_id_list
def db_red_get_last_one_open_id():
date_id_stmt = select(RedForecastAll.dateId).order_by(desc(RedForecastAll.id)).limit(1)
date_id_result = db_session.execute(date_id_stmt).scalar()
return date_id_result
def db_blue_get_last_one_open_id():
date_id_three_stmt = select(BlueForecastThreeAll.dateId).order_by(desc(BlueForecastThreeAll.id)).limit(1)
date_id_three_result = db_session.execute(date_id_three_stmt).scalar()
date_id_five_stmt = select(BlueForecastThreeAll.dateId).order_by(desc(BlueForecastThreeAll.id)).limit(1)
date_id_five_result = db_session.execute(date_id_five_stmt).scalar()
return {'three': date_id_three_result, 'five': date_id_five_result}
def history_scalar(_scalar):
_data = dict()
_data['id'] = _scalar.id
_data['dateId'] = _scalar.dateId
_data['openDate'] = _scalar.openDate
_data['red'] = _scalar.red
_data['blue'] = _scalar.blue
return _data
def history_scalars(_scalars):
_list = []
for row in _scalars:
_data = dict()
_data['id'] = row.id
_data['dateId'] = row.dateId
_data['openDate'] = row.openDate
_data['red'] = row.red
_data['blue'] = row.blue
_list.append(_data)
return _list
def red_scalars(_scalars):
_list = []
for row in _scalars:
_data = dict()
_data['id'] = row.id
_data['dateId'] = row.dateId
_data['history'] = row.history
_data['history_random'] = row.history_random
_data['history_random_index'] = row.history_random_index
_data['history_random_index_group'] = row.history_random_index_group
_data['last'] = row.last
_data['last_random'] = row.last_random
_data['last_random_index'] = row.last_random_index
_data['last_random_index_group'] = row.last_random_index_group
_data['real_red'] = row.real_red
_data['real_red_index_history'] = row.real_red_index_history
_data['real_red_index_group_history'] = row.real_red_index_group_history
_data['real_red_index_last'] = row.real_red_index_last
_data['real_red_index_group_last'] = row.real_red_index_group_last
_list.append(_data)
return _list
def blue_scalars(_scalars):
_list = []
for row in _scalars:
_data = dict()
_data['id'] = row.id
_data['dateId'] = row.dateId
_data['real_blue'] = row.real_blue
_data['prv'] = row.prv
_data['prv_index'] = row.prv_index
_data['post'] = row.post
_data['post_index'] = row.post_index
_data['history'] = row.history
_data['history_index'] = row.history_index
_list.append(_data)
return _list