Files
2026-07-13 13:02:50 +08:00

71 lines
2.7 KiB
Python

# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from AlgorithmImports import *
import decimal
class CustomPythonData(PythonData):
def get_source(self, config, date, is_live):
source = Globals.DataFolder + "/equity/usa/daily/ibm.zip"
return SubscriptionDataSource(source, SubscriptionTransportMedium.LocalFile, FileFormat.Csv)
def reader(self, config, line, date, is_live):
if line == None:
return None
customPythonData = CustomPythonData()
customPythonData.Symbol = config.Symbol
scaleFactor = 1 / 10000
csv = line.split(",")
customPythonData.Time = datetime.strptime(csv[0], '%Y%m%d %H:%M')
customPythonData["Open"] = float(csv[1]) * scaleFactor
customPythonData["High"] = float(csv[2]) * scaleFactor
customPythonData["Low"] = float(csv[3]) * scaleFactor
customPythonData["Close"] = float(csv[4]) * scaleFactor
customPythonData["Volume"] = float(csv[5])
return customPythonData
class Nifty(PythonData):
'''NIFTY Custom Data Class'''
def get_source(self, config, date, is_live_mode):
return SubscriptionDataSource("https://www.dropbox.com/s/rsmg44jr6wexn2h/CNXNIFTY.csv?dl=1", SubscriptionTransportMedium.REMOTE_FILE)
def reader(self, config, line, date, is_live_mode):
if not (line.strip() and line[0].isdigit()): return None
# New Nifty object
index = Nifty()
index.symbol = config.symbol
try:
# Example File Format:
# Date, Open High Low Close Volume Turnover
# 2011-09-13 7792.9 7799.9 7722.65 7748.7 116534670 6107.78
data = line.split(',')
index.time = datetime.strptime(data[0], "%Y-%m-%d")
index.value = decimal.Decimal(data[4])
index["Open"] = float(data[1])
index["High"] = float(data[2])
index["Low"] = float(data[3])
index["Close"] = float(data[4])
except ValueError:
# Do nothing
return None
return index