hikyuu2/hikyuu/data/common_sqlite3.py
2019-02-24 19:36:47 +08:00

127 lines
4.1 KiB
C++

# coding:utf-8
#
# The MIT License (MIT)
#
# Copyright (c) 2010-2019 fasiondog/hikyuu
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import sqlite3
from pathlib import Path
from .common import MARKETID, get_stktype_list
def is_exist_db(connect):
"""数据库是否已存在"""
try:
cur = connect.cursor()
cur.execute("SELECT id FROM StockTypeInfo limit 1")
a = cur.fetchone()
cur.close()
return True if a else False
except:
return False
def get_db_version(connect):
try:
cur = connect.cursor()
cur.execute("select version from version")
a = cur.fetchone()
cur.close()
return a[0] if a else 0
except:
return 0
def create_database(connect):
"""创建SQLITE3数据库表"""
sql_dir = os.path.dirname(__file__) + '/sqlite_upgrade'
cur = connect.cursor()
if not is_exist_db(connect):
filename = sql_dir + "/createdb.sql"
with open(filename, 'r', encoding='utf8') as f:
cur.executescript(f.read())
db_version = get_db_version(connect)
files = [x for x in Path(sql_dir).iterdir() \
if x.is_file() \
and x.name != 'createdb.sql' \
and x.name != '__init__.py' \
and int(x.stem) > db_version and not x.is_dir()]
files.sort()
for file in files:
cur.executescript(file.read_text(encoding='utf8'))
connect.commit()
cur.close()
def get_marketid(connect, market):
cur = connect.cursor()
a = cur.execute("select marketid, market from market where market='{}'".format(market.upper()))
marketid = [i for i in a]
marketid = marketid[0][0]
cur.close()
return marketid
def get_codepre_list(connect, marketid, quotations):
"""获取前缀代码表"""
stktype_list = get_stktype_list(quotations)
sql = "select codepre, type from coderuletype " \
"where marketid={marketid} and type in {type_list}"\
.format(marketid=marketid, type_list=stktype_list)
cur = connect.cursor()
a = cur.execute(sql)
a = a.fetchall()
cur.close()
return sorted(a, key=lambda k: len(k[0]), reverse=True)
def update_last_date(connect, marketid, lastdate):
cur = connect.cursor()
cur.execute("update Market set lastDate={} where marketid='{}'".format(lastdate, marketid))
#if marketid == MARKETID.SH:
# cur.execute("update LastDate set date={}".format(lastdate))
connect.commit()
cur.close()
def get_last_date(connect, marketid):
cur = connect.cursor()
a = cur.execute("select lastDate from market where marketid='{}'".format(marketid))
last_date = [x[0] for x in a][0]
connect.commit()
cur.close()
return last_date
def get_stock_list(connect, market, quotations):
marketid = get_marketid(connect, market)
stktype_list = get_stktype_list(quotations)
sql = "select stockid, marketid, code, valid, type from stock where marketid={} and type in {}"\
.format(marketid, stktype_list)
cur = connect.cursor()
a = cur.execute(sql).fetchall()
connect.commit()
cur.close()
return a