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import click
@click.group()
def data():
"""Data collection and management commands."""
pass
@data.command()
@click.option("--symbol", required=True, help="Trading symbol (e.g. BTCUSDT)")
@click.option("--timeframe", default="1m", show_default=True, help="Candle timeframe")
def collect(symbol, timeframe):
"""Start collecting live market data for a symbol."""
click.echo(f"Starting data collection for {symbol} at {timeframe} timeframe...")
@data.command()
@click.option("--symbol", required=True, help="Trading symbol (e.g. BTCUSDT)")
@click.option("--timeframe", default="1m", show_default=True, help="Candle timeframe")
@click.option("--from", "since", default=None, help="Start date (ISO format)")
@click.option("--limit", default=1000, show_default=True, help="Number of candles to fetch")
def history(symbol, timeframe, since, limit):
"""Download historical market data for a symbol."""
click.echo(
f"Downloading {limit} {timeframe} candles for {symbol}"
+ (f" since {since}" if since else "")
+ "..."
)
@data.command("list")
def list_():
"""List available data streams and symbols."""
click.echo("Fetching available data streams and collected symbols...")
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