106 lines
3.9 KiB
Python
106 lines
3.9 KiB
Python
from binance.enums import *
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import yaml
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from Signals import Signals
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from indicators import Indicators
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class Configuration:
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def __init__(self):
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# ************** Default values**************
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# The title of our program.
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self.application_title = 'BrighterTrades'
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# The maximum number of candles to store in memory.
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self.max_data_loaded = 1000
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# The default values for the main chart.
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self.chart_interval = KLINE_INTERVAL_15MINUTE
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self.trading_pair = 'BTCUSDT'
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# The name of the file that stores saved_data
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self.config_FN = 'config.yml'
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# Call a static method from indicators that fills in a default list of indicators in config.
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self.indicator_list = Indicators.get_indicator_defaults()
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# Call a static method from indicators that fills in a default list of indicators in config.
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self.signals_list = Signals.get_signals_defaults()
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# list of strategies in config.
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self.strategies_list = []
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# The data that will be saved and loaded from file .
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self.saved_data = None
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def new_strategy(self, data):
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# The strategies_list is modified by reference in strategies the loaded in config_and_states('save').
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# Save it to file.
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self.config_and_states('save')
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def new_signal(self, data):
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# Create a new signal.
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self.saved_data['signals'].append(data)
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# Save it to file.
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self.config_and_states('save')
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def remove(self, what, name):
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print(f'removing {what}:{name}')
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for obj in self.saved_data[what]:
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if obj['name'] == name:
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self.saved_data[what].remove(obj)
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break
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# Save it to file.
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self.config_and_states('save')
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def config_and_states(self, cmd):
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"""Loads or saves configurable data to the file set in self.config_FN"""
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# The data stored and retrieved from file session.
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self.saved_data = {
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'indicator_list': self.indicator_list,
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'config': {'chart_interval': self.chart_interval, 'trading_pair': self.trading_pair},
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'signals': self.signals_list,
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'strategies': self.strategies_list
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}
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def set_loaded_values():
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# Sets the values in the saved_data object.
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self.indicator_list = self.saved_data['indicator_list']
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self.chart_interval = self.saved_data['config']['chart_interval']
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self.trading_pair = self.saved_data['config']['trading_pair']
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self.signals_list = self.saved_data['signals']
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self.strategies_list = self.saved_data['strategies']
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def load_configuration(filepath):
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"""load file data"""
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with open(filepath, "r") as file_descriptor:
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data = yaml.safe_load(file_descriptor)
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return data
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def save_configuration(filepath, data):
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"""Saves file data"""
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with open(filepath, "w") as file_descriptor:
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yaml.dump(data, file_descriptor)
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if cmd == 'load':
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# If load_configuration() finds a file it overwrites
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# the saved_data object otherwise it creates a new file
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# with the defaults contained in saved_data>
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try:
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# If file exist load the values.
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self.saved_data = load_configuration(self.config_FN)
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set_loaded_values()
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except IOError:
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# If file doesn't exist create a file and save the default values.
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save_configuration(self.config_FN, self.saved_data)
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elif cmd == 'save':
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try:
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# Write saved_data to the file.
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save_configuration(self.config_FN, self.saved_data)
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except IOError:
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raise ValueError("save_configuration(): Couldn't save the file.")
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else:
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raise ValueError('save_configuration(): Invalid command received.')
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