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LongPort OpenAPI SDK for Python

longport provides an easy-to-use interface for invokes LongPort OpenAPI.

References

  • Config

    The configuration of the SDK.

  • QuoteContext

    The Quote API part of the SDK, e.g.: get basic information of securities, subscribe quotes...

  • TradeContext

    The Trade API part of the SDK, e.g.: submit order, get order status...

Quickstart

Install LongPort OpenAPI SDK

pip install longport

Setting environment variables(MacOS/Linux)

export LONGPORT_APP_KEY="App Key get from user center"
export LONGPORT_APP_SECRET="App Secret get from user center"
export LONGPORT_ACCESS_TOKEN="Access Token get from user center"

Setting environment variables(Windows)

setx LONGPORT_APP_KEY "App Key get from user center"
setx LONGPORT_APP_SECRET "App Secret get from user center"
setx LONGPORT_ACCESS_TOKEN "Access Token get from user center"

Quote API (Get basic information of securities)

from longport.openapi import Config, QuoteContext

# Load configuration from environment variables
config = Config.from_env()

# Create a context for quote APIs
ctx = QuoteContext(config)

# Get basic information of securities
resp = ctx.quote(["700.HK", "AAPL.US", "TSLA.US", "NFLX.US"])
print(resp)

Quote API (Subscribe quotes)

from time import sleep
from longport.openapi import Config, QuoteContext, SubType, PushQuote

# Load configuration from environment variables
config = Config.from_env()

# A callback to receive quote data
def on_quote(symbol: str, event: PushQuote):
    print(symbol, event)

# Create a context for quote APIs
ctx = QuoteContext(config)
ctx.set_on_quote(on_quote)

# Subscribe
resp = ctx.subscribe(["700.HK"], [SubType.Quote], is_first_push=True)

# Receive push duration to 30 seconds
sleep(30)

Trade API (Submit order)

from decimal import Decimal
from longport.openapi import TradeContext, Config, OrderType, OrderSide, TimeInForceType

# Load configuration from environment variables
config = Config.from_env()

# Create a context for trade APIs
ctx = TradeContext(config)

# Submit order
resp = ctx.submit_order("700.HK", OrderType.LO, OrderSide.Buy, Decimal(
    "500"), TimeInForceType.Day, submitted_price=Decimal("50"), remark="Hello from Python SDK")
print(resp)

License

Licensed under either of