Symbology mapping for live data

import databento as db

# First, create a live client and connect
live_client = db.Live(key="$YOUR_API_KEY")

# Next, we will subscribe to a few symbols
live_client.subscribe(
    dataset="GLBX.MDP3",
    schema="ohlcv-1s",
    symbols=["ES.c.0", "ES.c.1", "ES.c.2", "ES.c.3"],
    stype_in="continuous",
)

# Finally, we will iterate over the incoming records.
# The SymbolMappingMsgs will be sent at the start.
for record in live_client:
    if isinstance(record, db.SymbolMappingMsg):
        instrument_id = record.instrument_id

        # The stype_in_symbol contains the continuous symbology we requested
        continuous_symbol = record.stype_in_symbol

        # The stype_out_symbol contains the raw symbol for smart symbology
        raw_symbol = record.stype_out_symbol

        print(
            f"{continuous_symbol} ({raw_symbol}) has an instrument ID of {instrument_id}",
        )

        # Close the connection
        # We will still process all received data
        live_client.stop()

ES.c.0 (ESM4) has an instrument ID of 5602
ES.c.1 (ESU4) has an instrument ID of 118
ES.c.2 (ESZ4) has an instrument ID of 183748
ES.c.3 (ESH5) has an instrument ID of 5002