import logging from pathlib import Path from typing import Dict, List, Optional import pandas as pd from freqtrade.arguments import Arguments from freqtrade.data import history from freqtrade.data.btanalysis import (combine_tickers_with_mean, create_cum_profit, load_trades) from freqtrade.exchange import Exchange from freqtrade.resolvers import ExchangeResolver, StrategyResolver logger = logging.getLogger(__name__) try: from plotly import tools from plotly.offline import plot import plotly.graph_objs as go except ImportError: logger.exception("Module plotly not found \n Please install using `pip install plotly`") exit(1) def init_plotscript(config): """ Initialize objects needed for plotting :return: Dict with tickers, trades, pairs and strategy """ exchange: Optional[Exchange] = None # Exchange is only needed when downloading data! if config.get("live", False) or config.get("refresh_pairs", False): exchange = ExchangeResolver(config.get('exchange', {}).get('name'), config).exchange strategy = StrategyResolver(config).strategy if "pairs" in config: pairs = config["pairs"].split(',') else: pairs = config["exchange"]["pair_whitelist"] # Set timerange to use timerange = Arguments.parse_timerange(config["timerange"]) tickers = history.load_data( datadir=Path(str(config.get("datadir"))), pairs=pairs, ticker_interval=config['ticker_interval'], refresh_pairs=config.get('refresh_pairs', False), timerange=timerange, exchange=exchange, live=config.get("live", False), ) trades = load_trades(config) return {"tickers": tickers, "trades": trades, "pairs": pairs, "strategy": strategy, } def add_indicators(fig, row, indicators: List[str], data: pd.DataFrame) -> tools.make_subplots: """ Generator all the indicator selected by the user for a specific row :param fig: Plot figure to append to :param row: row number for this plot :param indicators: List of indicators present in the dataframe :param data: candlestick DataFrame """ for indicator in indicators: if indicator in data: # TODO: Figure out why scattergl causes problems scattergl = go.Scatter( x=data['date'], y=data[indicator].values, mode='lines', name=indicator ) fig.append_trace(scattergl, row, 1) else: logger.info( 'Indicator "%s" ignored. Reason: This indicator is not found ' 'in your strategy.', indicator ) return fig def add_profit(fig, row, data: pd.DataFrame, column: str, name: str) -> tools.make_subplots: """ Add profit-plot :param fig: Plot figure to append to :param row: row number for this plot :param data: candlestick DataFrame :param column: Column to use for plot :param name: Name to use :return: fig with added profit plot """ profit = go.Scattergl( x=data.index, y=data[column], name=name, ) fig.append_trace(profit, row, 1) return fig def plot_trades(fig, trades: pd.DataFrame) -> tools.make_subplots: """ Add trades to "fig" """ # Trades can be empty if trades is not None and len(trades) > 0: trade_buys = go.Scatter( x=trades["open_time"], y=trades["open_rate"], mode='markers', name='trade_buy', marker=dict( symbol='square-open', size=11, line=dict(width=2), color='green' ) ) # Create description for sell summarizing the trade desc = trades.apply(lambda row: f"{round(row['profitperc'], 3)}%, {row['sell_reason']}, " f"{row['duration']}min", axis=1) trade_sells = go.Scatter( x=trades["close_time"], y=trades["close_rate"], text=desc, mode='markers', name='trade_sell', marker=dict( symbol='square-open', size=11, line=dict(width=2), color='red' ) ) fig.append_trace(trade_buys, 1, 1) fig.append_trace(trade_sells, 1, 1) else: logger.warning("No trades found.") return fig def generate_candlestick_graph(pair: str, data: pd.DataFrame, trades: pd.DataFrame = None, indicators1: List[str] = [], indicators2: List[str] = [],) -> go.Figure: """ Generate the graph from the data generated by Backtesting or from DB Volume will always be ploted in row2, so Row 1 and 3 are to our disposal for custom indicators :param pair: Pair to Display on the graph :param data: OHLCV DataFrame containing indicators and buy/sell signals :param trades: All trades created :param indicators1: List containing Main plot indicators :param indicators2: List containing Sub plot indicators :return: None """ # Define the graph fig = tools.make_subplots( rows=3, cols=1, shared_xaxes=True, row_width=[1, 1, 4], vertical_spacing=0.0001, ) fig['layout'].update(title=pair) fig['layout']['yaxis1'].update(title='Price') fig['layout']['yaxis2'].update(title='Volume') fig['layout']['yaxis3'].update(title='Other') fig['layout']['xaxis']['rangeslider'].update(visible=False) # Common information candles = go.Candlestick( x=data.date, open=data.open, high=data.high, low=data.low, close=data.close, name='Price' ) fig.append_trace(candles, 1, 1) if 'buy' in data.columns: df_buy = data[data['buy'] == 1] if len(df_buy) > 0: buys = go.Scatter( x=df_buy.date, y=df_buy.close, mode='markers', name='buy', marker=dict( symbol='triangle-up-dot', size=9, line=dict(width=1), color='green', ) ) fig.append_trace(buys, 1, 1) else: logger.warning("No buy-signals found.") if 'sell' in data.columns: df_sell = data[data['sell'] == 1] if len(df_sell) > 0: sells = go.Scatter( x=df_sell.date, y=df_sell.close, mode='markers', name='sell', marker=dict( symbol='triangle-down-dot', size=9, line=dict(width=1), color='red', ) ) fig.append_trace(sells, 1, 1) else: logger.warning("No sell-signals found.") if 'bb_lowerband' in data and 'bb_upperband' in data: bb_lower = go.Scattergl( x=data.date, y=data.bb_lowerband, name='BB lower', line={'color': 'rgba(255,255,255,0)'}, ) bb_upper = go.Scattergl( x=data.date, y=data.bb_upperband, name='BB upper', fill="tonexty", fillcolor="rgba(0,176,246,0.2)", line={'color': 'rgba(255,255,255,0)'}, ) fig.append_trace(bb_lower, 1, 1) fig.append_trace(bb_upper, 1, 1) # Add indicators to main plot fig = add_indicators(fig=fig, row=1, indicators=indicators1, data=data) fig = plot_trades(fig, trades) # Volume goes to row 2 volume = go.Bar( x=data['date'], y=data['volume'], name='Volume' ) fig.append_trace(volume, 2, 1) # Add indicators to seperate row fig = add_indicators(fig=fig, row=3, indicators=indicators2, data=data) return fig def generate_profit_graph(pairs: str, tickers: Dict[str, pd.DataFrame], trades: pd.DataFrame = None, ) -> go.Figure: # Combine close-values for all pairs, rename columns to "pair" df_comb = combine_tickers_with_mean(tickers, "close") # Add combined cumulative profit df_comb = create_cum_profit(df_comb, trades, 'cum_profit') # Plot the pairs average close prices, and total profit growth avgclose = go.Scattergl( x=df_comb.index, y=df_comb['mean'], name='Avg close price', ) fig = tools.make_subplots(rows=3, cols=1, shared_xaxes=True, row_width=[1, 1, 1]) fig['layout'].update(title="Profit plot") fig.append_trace(avgclose, 1, 1) fig = add_profit(fig, 2, df_comb, 'cum_profit', 'Profit') for pair in pairs: profit_col = f'cum_profit_{pair}' df_comb = create_cum_profit(df_comb, trades[trades['pair'] == pair], profit_col) fig = add_profit(fig, 3, df_comb, profit_col, f"Profit {pair}") return fig def generate_plot_filename(pair, ticker_interval) -> str: """ Generate filenames per pair/ticker_interval to be used for storing plots """ pair_name = pair.replace("/", "_") file_name = 'freqtrade-plot-' + pair_name + '-' + ticker_interval + '.html' logger.info('Generate plot file for %s', pair) return file_name def store_plot_file(fig, filename: str, auto_open: bool = False) -> None: """ Generate a plot html file from pre populated fig plotly object :param fig: Plotly Figure to plot :param pair: Pair to plot (used as filename and Plot title) :param ticker_interval: Used as part of the filename :return: None """ Path("user_data/plots").mkdir(parents=True, exist_ok=True) plot(fig, filename=str(Path('user_data/plots').joinpath(filename)), auto_open=auto_open)