longbridge 0.2.3

A Python library for Longbridge Open API

Longbridge OpenAPI SDK for Python

longbridge provides an easy-to-use interface for invokes Longbridge OpenAPI.

Quickstart

Install Longbridge OpenAPI SDK

pip install longbridge

Setting environment variables(MacOS/Linux)

export LONGBRIDGE_APP_KEY="App Key get from user center"
export LONGBRIDGE_APP_SECRET="App Secret get from user center"
export LONGBRIDGE_ACCESS_TOKEN="Access Token get from user center"

Setting environment variables(Windows)

setx LONGBRIDGE_APP_KEY "App Key get from user center"
setx LONGBRIDGE_APP_SECRET "App Secret get from user center"
setx LONGBRIDGE_ACCESS_TOKEN "Access Token get from user center"

Quote API (Get basic information of securities)

from longbridge.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 longbridge.openapi import Config, QuoteContext, SubType, PushQuote

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


class EventHandler:
    """
    An event handler to receive push events
    """

    def on_event(self, symbol: str, msg):
        """
        Handle push events
        """
        if isinstance(msg, PushQuote):
            print(symbol, msg)


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

# 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 longbridge.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

• Apache License, Version 2.0,(LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) at your option.