Breakdown the script in functions the improve maintainability

This commit is contained in:
Gerald Lonlas 2018-06-03 14:36:22 -07:00
parent 5683f9e10e
commit af76d5f0e0

View File

@ -23,6 +23,8 @@ from plotly.offline import plot
import plotly.graph_objs as go
from freqtrade.arguments import Arguments
from freqtrade.analyze import Analyze
from freqtrade.optimize.backtesting import setup_configuration
from freqtrade.configuration import Configuration
from freqtrade import exchange
import freqtrade.optimize as optimize
from freqtrade import persistence
@ -37,12 +39,19 @@ def plot_analyzed_dataframe(args: Namespace) -> None:
Calls analyze() and plots the returned dataframe
:return: None
"""
pair = args.pair.replace('-', '_')
# Load the configuration
config = setup_configuration(args)
# Set the pair to audit
pair = args.pair
# Set timerange to use
timerange = Arguments.parse_timerange(args.timerange)
# Init strategy
# Load the strategy
try:
analyze = Analyze({'strategy': args.strategy})
analyze = Analyze(config)
except AttributeError:
logger.critical(
'Impossible to load the strategy. Please check the file "user_data/strategies/%s.py"',
@ -50,13 +59,15 @@ def plot_analyzed_dataframe(args: Namespace) -> None:
)
exit()
tick_interval = analyze.strategy.ticker_interval
# Set the ticker to use
tick_interval = analyze.get_ticker_interval()
# Load pqir tickers
tickers = {}
if args.live:
logger.info('Downloading pair.')
# Init Bittrex to use public API
exchange.init({'key': '', 'secret': ''})
exchange.init(config)
tickers[pair] = exchange.get_ticker_history(pair, tick_interval)
else:
tickers = optimize.load_data(
@ -66,20 +77,31 @@ def plot_analyzed_dataframe(args: Namespace) -> None:
refresh_pairs=False,
timerange=timerange
)
dataframes = analyze.tickerdata_to_dataframe(tickers)
dataframe = dataframes[pair]
dataframe = analyze.populate_buy_trend(dataframe)
dataframe = analyze.populate_sell_trend(dataframe)
# Get trades already made from the DB
trades = []
if args.db_url:
engine = create_engine('sqlite:///' + args.db_url)
persistence.init(_CONF, engine)
trades = Trade.query.filter(Trade.pair.is_(pair)).all()
dataframes = analyze.tickerdata_to_dataframe(tickers)
dataframe = dataframes[pair]
dataframe = analyze.populate_buy_trend(dataframe)
dataframe = analyze.populate_sell_trend(dataframe)
if len(dataframe.index) > 750:
logger.warning('Ticker contained more than 750 candles, clipping.')
data = dataframe.tail(750)
generate_graph(
pair=pair,
trades=trades,
data=dataframe.tail(750)
)
def generate_graph(pair, trades, data):
candles = go.Candlestick(
x=data.date,
@ -168,6 +190,8 @@ def plot_analyzed_dataframe(args: Namespace) -> None:
vertical_spacing=0.0001,
)
# Row 1
fig.append_trace(candles, 1, 1)
fig.append_trace(bb_lower, 1, 1)
fig.append_trace(bb_upper, 1, 1)
@ -179,7 +203,7 @@ def plot_analyzed_dataframe(args: Namespace) -> None:
fig.append_trace(trade_buys, 1, 1)
fig.append_trace(trade_sells, 1, 1)
fig['layout'].update(title=args.pair)
fig['layout'].update(title=pair)
fig['layout']['yaxis1'].update(title='Price')
fig['layout']['yaxis2'].update(title='Volume')
fig['layout']['yaxis3'].update(title='MACD')