Stock/render.py

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Python
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2022-05-25 03:16:39 +09:00
import re
import datetime
import sqlite3
import csv
import sqlite3
import datetime
from db import GetAllStockCode
def GetMovingAverageAt(db,code: str,day = 5,date = datetime.date.today()):
if isinstance(day,list):
listday = day
day = max(day)
else:
listday = [day]
last = date - datetime.timedelta(days=day)
l = [row for row in db.execute("SELECT Date,Close FROM STOCK WHERE Code = ? AND Date <= ? ORDER BY Date DESC LIMIT ?",
[code,last.isoformat(),day])]
return [sum(map(lambda x: x[1],l[0:ad]))/ad for ad in listday]
def GetStockPriceFrom(db,code: str,n,date = datetime.date.today()):
"""
return (code,date,close,diff,open,high,low,volume)[]
"""
last = date - datetime.timedelta(days=n)
return [row for row in db.execute(f"SELECT * FROM STOCK WHERE Code = ? AND Date <= ? ORDER BY Date DESC LIMIT ?",
[code,date.isoformat(),n])]
def GetAllStockPrice(db,n,date = datetime.date.today()):
"""
return cursor
"""
last = date - datetime.timedelta(days=n)
return db.execute(f"SELECT * FROM STOCK WHERE Date > ? ORDER BY Date DESC",
[last.isoformat()])
#lastest is front
def makeMovingAveragePoint(n,arr,reversed = False):
if len(arr) < n:
raise IndexError
if not reversed:
start = sum(arr[:n])
ret = [start/n]
for i in range(0,len(arr)-n):
nex = start-arr[i]+arr[i+n]
ret.append(nex/n)
start = nex
else:
start = sum(arr[-n:])
ret = [start/n]
for i in range(0,len(arr)-n):
nex = start-arr[-i-1]+arr[-i-1-n]
ret.append(nex/n)
start = nex
return ret
def detectTF(d5,d20)-> bool:
series = [*map(lambda x: x[0] > x[1],zip(d5,d20))]
return series[0] and (not series[1])
if __name__ == "__main__":
print("start")
db = sqlite3.connect("stock.db")
#stock_codes = GetAllStockCode(db)
#
#for stock_code in stock_codes:
# arr = GetStockPriceFrom(db,stock_code,25)
# if len(arr) < 25:
# print(f"stock_code {stock_code} : lack of data")
# continue
# #print([*map(lambda x: x[2],arr)])
# d5 = makeMovingAveragePoint(5,[*map(lambda x: x[2],arr)])
# d20 = makeMovingAveragePoint(20,[*map(lambda x: x[2],arr)])
# higher = detectTF(d5[:5],d20[:5])
# if higher:
# print(f"stock_code {stock_code} : {higher} {d5} {d20}")
#print(GetMovingAverageAt(db,"155660",day=[5,20]))
#arr = GetStockPriceFrom(db,"155660",25)
#arr.sort(key=lambda x:x[2])
#print([*map(lambda x: x[2],arr)])
#print(makeMovingAveragePoint(2,[*map(lambda x: x[2],arr)]))
#print(makeMovingAveragePoint(2,[*map(lambda x: x[2],arr)],reversed=True))
#d5 = makeMovingAveragePoint(5,[*map(lambda x: x[2],arr)])
#d20 = makeMovingAveragePoint(20,[*map(lambda x: x[2],arr)])
#print(d5)
#print(d20)
#print(detectTF(d5,d20))
#print(GetAllStockCode(db))
db.close()