class SpreadLogMonitor(QtWidgets.QTextEdit):
"""
Monitor for log data.
"""
signal = QtCore.pyqtSignal(Event)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
""""""
super().__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.init_ui()
self.register_event()
def init_ui(self):
""""""
self.setReadOnly(True)
def register_event(self):
""""""
self.signal.connect(self.process_log_event)
self.event_engine.register(EVENT_SPREAD_LOG, self.signal.emit)
def process_log_event(self, event: Event):
""""""
log = event.data
msg = f"{log.time.strftime('%H:%M:%S')}\t{log.msg}"
self.append(msg)
class SpreadStrategyMonitor(QtWidgets.QWidget):
""""""
signal_strategy = QtCore.pyqtSignal(Event)
def __init__(self, spread_engine: SpreadEngine):
super().__init__()
self.strategy_engine = spread_engine.strategy_engine
self.main_engine = spread_engine.main_engine
self.event_engine = spread_engine.event_engine
self.managers = {}
self.init_ui()
self.register_event()
def init_ui(self):
""""""
self.scroll_layout = QtWidgets.QVBoxLayout()
self.scroll_layout.addStretch()
scroll_widget = QtWidgets.QWidget()
scroll_widget.setLayout(self.scroll_layout)
scroll_area = QtWidgets.QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setWidget(scroll_widget)
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(scroll_area)
self.setLayout(vbox)
def register_event(self):
""""""
self.signal_strategy.connect(self.process_strategy_event)
self.event_engine.register(EVENT_SPREAD_STRATEGY,
self.signal_strategy.emit)
def process_strategy_event(self, event):
"""
Update strategy status onto its monitor.
"""
data = event.data
strategy_name = data["strategy_name"]
if strategy_name in self.managers:
manager = self.managers[strategy_name]
manager.update_data(data)
else:
manager = SpreadStrategyWidget(self, self.strategy_engine, data)
self.scroll_layout.insertWidget(0, manager)
self.managers[strategy_name] = manager
def remove_strategy(self, strategy_name):
""""""
manager = self.managers.pop(strategy_name)
manager.deleteLater()
class LogMonitor(QtWidgets.QTableWidget):
""""""
signal = QtCore.pyqtSignal(Event)
def __init__(self, event_engine: EventEngine):
""""""
super().__init__()
self.event_engine = event_engine
self.init_ui()
self.register_event()
def init_ui(self):
""""""
labels = [
"时间",
"信息"
]
self.setColumnCount(len(labels))
self.setHorizontalHeaderLabels(labels)
self.verticalHeader().setVisible(False)
self.setEditTriggers(self.NoEditTriggers)
self.verticalHeader().setSectionResizeMode(
QtWidgets.QHeaderView.ResizeToContents
)
self.horizontalHeader().setSectionResizeMode(
1,
QtWidgets.QHeaderView.Stretch
)
self.setWordWrap(True)
def register_event(self):
""""""
self.signal.connect(self.process_log_event)
self.event_engine.register(EVENT_ALGO_LOG, self.signal.emit)
def process_log_event(self, event):
""""""
log = event.data
msg = log.msg
timestamp = datetime.now().strftime("%H:%M:%S")
timestamp_cell = QtWidgets.QTableWidgetItem(timestamp)
msg_cell = QtWidgets.QTableWidgetItem(msg)
self.insertRow(0)
self.setItem(0, 0, timestamp_cell)
self.setItem(0, 1, msg_cell)
class BacktesterManager(QtWidgets.QWidget):
""""""
setting_filename = "cta_backtester_setting.json"
signal_log = QtCore.pyqtSignal(Event)
signal_backtesting_finished = QtCore.pyqtSignal(Event)
signal_optimization_finished = QtCore.pyqtSignal(Event)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
""""""
super().__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.backtester_engine = main_engine.get_engine(APP_NAME)
self.class_names = []
self.settings = {}
self.target_display = ""
self.init_ui()
self.register_event()
self.backtester_engine.init_engine()
self.init_strategy_settings()
self.load_backtesting_setting()
def init_strategy_settings(self):
""""""
self.class_names = self.backtester_engine.get_strategy_class_names()
for class_name in self.class_names:
setting = self.backtester_engine.get_default_setting(class_name)
self.settings[class_name] = setting
self.class_combo.addItems(self.class_names)
def init_ui(self):
""""""
self.setWindowTitle("CTA回测")
# Setting Part
self.class_combo = QtWidgets.QComboBox()
self.symbol_line = QtWidgets.QLineEdit("BTCUSDT.BINANCE")
self.interval_combo = QtWidgets.QComboBox()
for interval in Interval:
if interval != Interval.TICK:
self.interval_combo.addItem(interval.value)
end_dt = datetime.now()
start_dt = end_dt - timedelta(days=3 * 365)
self.start_date_edit = QtWidgets.QDateEdit(
QtCore.QDate(
start_dt.year,
start_dt.month,
start_dt.day
)
)
self.end_date_edit = QtWidgets.QDateEdit(
QtCore.QDate.currentDate()
)
self.rate_line = QtWidgets.QLineEdit("0.0004")
self.slippage_line = QtWidgets.QLineEdit("0.5")
self.size_line = QtWidgets.QLineEdit("1")
self.pricetick_line = QtWidgets.QLineEdit("0.01")
self.capital_line = QtWidgets.QLineEdit("1000000")
self.inverse_combo = QtWidgets.QComboBox()
self.inverse_combo.addItems(["正向", "反向"])
backtesting_button = QtWidgets.QPushButton("开始回测")
backtesting_button.clicked.connect(self.start_backtesting)
optimization_button = QtWidgets.QPushButton("参数优化")
optimization_button.clicked.connect(self.start_optimization)
self.result_button = QtWidgets.QPushButton("优化结果")
self.result_button.clicked.connect(self.show_optimization_result)
self.result_button.setEnabled(False)
downloading_button = QtWidgets.QPushButton("下载数据")
downloading_button.clicked.connect(self.start_downloading)
self.order_button = QtWidgets.QPushButton("委托记录")
self.order_button.clicked.connect(self.show_backtesting_orders)
self.order_button.setEnabled(False)
self.trade_button = QtWidgets.QPushButton("成交记录")
self.trade_button.clicked.connect(self.show_backtesting_trades)
self.trade_button.setEnabled(False)
self.daily_button = QtWidgets.QPushButton("每日盈亏")
self.daily_button.clicked.connect(self.show_daily_results)
self.daily_button.setEnabled(False)
self.candle_button = QtWidgets.QPushButton("K线图表")
self.candle_button.clicked.connect(self.show_candle_chart)
self.candle_button.setEnabled(False)
reload_button = QtWidgets.QPushButton("策略重载")
reload_button.clicked.connect(self.reload_strategy_class)
for button in [
backtesting_button,
optimization_button,
downloading_button,
self.result_button,
self.order_button,
self.trade_button,
self.daily_button,
self.candle_button,
reload_button
]:
button.setFixedHeight(button.sizeHint().height() * 2)
form = QtWidgets.QFormLayout()
form.addRow("交易策略", self.class_combo)
form.addRow("本地代码", self.symbol_line)
form.addRow("K线周期", self.interval_combo)
form.addRow("开始日期", self.start_date_edit)
form.addRow("结束日期", self.end_date_edit)
form.addRow("手续费率", self.rate_line)
form.addRow("交易滑点", self.slippage_line)
form.addRow("合约乘数", self.size_line)
form.addRow("价格跳动", self.pricetick_line)
form.addRow("回测资金", self.capital_line)
form.addRow("合约模式", self.inverse_combo)
result_grid = QtWidgets.QGridLayout()
result_grid.addWidget(self.trade_button, 0, 0)
result_grid.addWidget(self.order_button, 0, 1)
result_grid.addWidget(self.daily_button, 1, 0)
result_grid.addWidget(self.candle_button, 1, 1)
left_vbox = QtWidgets.QVBoxLayout()
left_vbox.addLayout(form)
left_vbox.addWidget(backtesting_button)
left_vbox.addWidget(downloading_button)
left_vbox.addStretch()
left_vbox.addLayout(result_grid)
left_vbox.addStretch()
left_vbox.addWidget(optimization_button)
left_vbox.addWidget(self.result_button)
left_vbox.addStretch()
left_vbox.addWidget(reload_button)
# Result part
self.statistics_monitor = StatisticsMonitor()
self.log_monitor = QtWidgets.QTextEdit()
self.log_monitor.setMaximumHeight(400)
self.chart = BacktesterChart()
self.chart.setMinimumWidth(1000)
self.trade_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测成交记录",
BacktestingTradeMonitor
)
self.order_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测委托记录",
BacktestingOrderMonitor
)
self.daily_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测每日盈亏",
DailyResultMonitor
)
# Candle Chart
self.candle_dialog = CandleChartDialog()
# Layout
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(self.statistics_monitor)
vbox.addWidget(self.log_monitor)
hbox = QtWidgets.QHBoxLayout()
hbox.addLayout(left_vbox)
hbox.addLayout(vbox)
hbox.addWidget(self.chart)
self.setLayout(hbox)
def load_backtesting_setting(self):
""""""
setting = load_json(self.setting_filename)
if not setting:
return
self.class_combo.setCurrentIndex(
self.class_combo.findText(setting["class_name"])
)
self.symbol_line.setText(setting["vt_symbol"])
self.interval_combo.setCurrentIndex(
self.interval_combo.findText(setting["interval"])
)
self.rate_line.setText(str(setting["rate"]))
self.slippage_line.setText(str(setting["slippage"]))
self.size_line.setText(str(setting["size"]))
self.pricetick_line.setText(str(setting["pricetick"]))
self.capital_line.setText(str(setting["capital"]))
if not setting["inverse"]:
self.inverse_combo.setCurrentIndex(0)
else:
self.inverse_combo.setCurrentIndex(1)
def register_event(self):
""""""
self.signal_log.connect(self.process_log_event)
self.signal_backtesting_finished.connect(
self.process_backtesting_finished_event)
self.signal_optimization_finished.connect(
self.process_optimization_finished_event)
self.event_engine.register(EVENT_BACKTESTER_LOG, self.signal_log.emit)
self.event_engine.register(
EVENT_BACKTESTER_BACKTESTING_FINISHED, self.signal_backtesting_finished.emit)
self.event_engine.register(
EVENT_BACKTESTER_OPTIMIZATION_FINISHED, self.signal_optimization_finished.emit)
def process_log_event(self, event: Event):
""""""
msg = event.data
self.write_log(msg)
def write_log(self, msg):
""""""
timestamp = datetime.now().strftime("%H:%M:%S")
msg = f"{timestamp}\t{msg}"
self.log_monitor.append(msg)
def process_backtesting_finished_event(self, event: Event):
""""""
statistics = self.backtester_engine.get_result_statistics()
self.statistics_monitor.set_data(statistics)
df = self.backtester_engine.get_result_df()
self.chart.set_data(df)
self.trade_button.setEnabled(True)
self.order_button.setEnabled(True)
self.daily_button.setEnabled(True)
self.candle_button.setEnabled(True)
def process_optimization_finished_event(self, event: Event):
""""""
self.write_log("请点击[优化结果]按钮查看")
self.result_button.setEnabled(True)
def start_backtesting(self):
""""""
class_name = self.class_combo.currentText()
vt_symbol = self.symbol_line.text()
interval = self.interval_combo.currentText()
start = self.start_date_edit.date().toPyDate()
end = self.end_date_edit.date().toPyDate()
rate = float(self.rate_line.text())
slippage = float(self.slippage_line.text())
size = float(self.size_line.text())
pricetick = float(self.pricetick_line.text())
capital = float(self.capital_line.text())
if self.inverse_combo.currentText() == "正向":
inverse = False
else:
inverse = True
# Save backtesting parameters
backtesting_setting = {
"class_name": class_name,
"vt_symbol": vt_symbol,
"interval": interval,
"rate": rate,
"slippage": slippage,
"size": size,
"pricetick": pricetick,
"capital": capital,
"inverse": inverse,
}
save_json(self.setting_filename, backtesting_setting)
# Get strategy setting
old_setting = self.settings[class_name]
dialog = BacktestingSettingEditor(class_name, old_setting)
i = dialog.exec()
if i != dialog.Accepted:
return
new_setting = dialog.get_setting()
self.settings[class_name] = new_setting
result = self.backtester_engine.start_backtesting(
class_name,
vt_symbol,
interval,
start,
end,
rate,
slippage,
size,
pricetick,
capital,
inverse,
new_setting
)
if result:
self.statistics_monitor.clear_data()
self.chart.clear_data()
self.trade_button.setEnabled(False)
self.order_button.setEnabled(False)
self.daily_button.setEnabled(False)
self.candle_button.setEnabled(False)
self.trade_dialog.clear_data()
self.order_dialog.clear_data()
self.daily_dialog.clear_data()
self.candle_dialog.clear_data()
def start_optimization(self):
""""""
class_name = self.class_combo.currentText()
vt_symbol = self.symbol_line.text()
interval = self.interval_combo.currentText()
start = self.start_date_edit.date().toPyDate()
end = self.end_date_edit.date().toPyDate()
rate = float(self.rate_line.text())
slippage = float(self.slippage_line.text())
size = float(self.size_line.text())
pricetick = float(self.pricetick_line.text())
capital = float(self.capital_line.text())
if self.inverse_combo.currentText() == "正向":
inverse = False
else:
inverse = True
parameters = self.settings[class_name]
dialog = OptimizationSettingEditor(class_name, parameters)
i = dialog.exec()
if i != dialog.Accepted:
return
optimization_setting, use_ga = dialog.get_setting()
self.target_display = dialog.target_display
self.backtester_engine.start_optimization(
class_name,
vt_symbol,
interval,
start,
end,
rate,
slippage,
size,
pricetick,
capital,
inverse,
optimization_setting,
use_ga
)
self.result_button.setEnabled(False)
def start_downloading(self):
""""""
vt_symbol = self.symbol_line.text()
interval = self.interval_combo.currentText()
start_date = self.start_date_edit.date()
end_date = self.end_date_edit.date()
start = datetime(
start_date.year(),
start_date.month(),
start_date.day(),
tzinfo=get_localzone()
)
end = datetime(
end_date.year(),
end_date.month(),
end_date.day(),
23,
59,
59,
tzinfo=get_localzone()
)
self.backtester_engine.start_downloading(
vt_symbol,
interval,
start,
end
)
def show_optimization_result(self):
""""""
result_values = self.backtester_engine.get_result_values()
dialog = OptimizationResultMonitor(
result_values,
self.target_display
)
dialog.exec_()
def show_backtesting_trades(self):
""""""
if not self.trade_dialog.is_updated():
trades = self.backtester_engine.get_all_trades()
self.trade_dialog.update_data(trades)
self.trade_dialog.exec_()
def show_backtesting_orders(self):
""""""
if not self.order_dialog.is_updated():
orders = self.backtester_engine.get_all_orders()
self.order_dialog.update_data(orders)
self.order_dialog.exec_()
def show_daily_results(self):
""""""
if not self.daily_dialog.is_updated():
results = self.backtester_engine.get_all_daily_results()
self.daily_dialog.update_data(results)
self.daily_dialog.exec_()
def show_candle_chart(self):
""""""
if not self.candle_dialog.is_updated():
history = self.backtester_engine.get_history_data()
self.candle_dialog.update_history(history)
trades = self.backtester_engine.get_all_trades()
self.candle_dialog.update_trades(trades)
self.candle_dialog.exec_()
def reload_strategy_class(self):
""""""
self.backtester_engine.reload_strategy_class()
self.class_combo.clear()
self.init_strategy_settings()
def show(self):
""""""
self.showMaximized()
class RecorderManager(QtWidgets.QWidget):
""""""
signal_log = QtCore.pyqtSignal(Event)
signal_update = QtCore.pyqtSignal(Event)
signal_contract = QtCore.pyqtSignal(Event)
signal_exception = QtCore.pyqtSignal(Event)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
super().__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.recorder_engine = main_engine.get_engine(APP_NAME)
self.init_ui()
self.register_event()
self.recorder_engine.put_event()
def init_ui(self):
""""""
self.setWindowTitle("行情记录")
self.resize(1000, 600)
# Create widgets
self.symbol_line = QtWidgets.QLineEdit()
self.symbol_line.setFixedHeight(self.symbol_line.sizeHint().height() *
2)
contracts = self.main_engine.get_all_contracts()
self.vt_symbols = [contract.vt_symbol for contract in contracts]
self.symbol_completer = QtWidgets.QCompleter(self.vt_symbols)
self.symbol_completer.setFilterMode(QtCore.Qt.MatchContains)
self.symbol_completer.setCompletionMode(
self.symbol_completer.PopupCompletion)
self.symbol_line.setCompleter(self.symbol_completer)
add_bar_button = QtWidgets.QPushButton("添加")
add_bar_button.clicked.connect(self.add_bar_recording)
remove_bar_button = QtWidgets.QPushButton("移除")
remove_bar_button.clicked.connect(self.remove_bar_recording)
add_tick_button = QtWidgets.QPushButton("添加")
add_tick_button.clicked.connect(self.add_tick_recording)
remove_tick_button = QtWidgets.QPushButton("移除")
remove_tick_button.clicked.connect(self.remove_tick_recording)
self.bar_recording_edit = QtWidgets.QTextEdit()
self.bar_recording_edit.setReadOnly(True)
self.tick_recording_edit = QtWidgets.QTextEdit()
self.tick_recording_edit.setReadOnly(True)
self.log_edit = QtWidgets.QTextEdit()
self.log_edit.setReadOnly(True)
# Set layout
grid = QtWidgets.QGridLayout()
grid.addWidget(QtWidgets.QLabel("K线记录"), 0, 0)
grid.addWidget(add_bar_button, 0, 1)
grid.addWidget(remove_bar_button, 0, 2)
grid.addWidget(QtWidgets.QLabel("Tick记录"), 1, 0)
grid.addWidget(add_tick_button, 1, 1)
grid.addWidget(remove_tick_button, 1, 2)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("本地代码"))
hbox.addWidget(self.symbol_line)
hbox.addWidget(QtWidgets.QLabel(" "))
hbox.addLayout(grid)
hbox.addStretch()
grid2 = QtWidgets.QGridLayout()
grid2.addWidget(QtWidgets.QLabel("K线记录列表"), 0, 0)
grid2.addWidget(QtWidgets.QLabel("Tick记录列表"), 0, 1)
grid2.addWidget(self.bar_recording_edit, 1, 0)
grid2.addWidget(self.tick_recording_edit, 1, 1)
grid2.addWidget(self.log_edit, 2, 0, 1, 2)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addLayout(grid2)
self.setLayout(vbox)
def register_event(self):
""""""
self.signal_log.connect(self.process_log_event)
self.signal_contract.connect(self.process_contract_event)
self.signal_update.connect(self.process_update_event)
self.signal_exception.connect(self.process_exception_event)
self.event_engine.register(EVENT_CONTRACT, self.signal_contract.emit)
self.event_engine.register(EVENT_RECORDER_LOG, self.signal_log.emit)
self.event_engine.register(EVENT_RECORDER_UPDATE,
self.signal_update.emit)
self.event_engine.register(EVENT_RECORDER_EXCEPTION,
self.signal_exception.emit)
def process_log_event(self, event: Event):
""""""
timestamp = datetime.now().strftime("%H:%M:%S")
msg = f"{timestamp}\t{event.data}"
self.log_edit.append(msg)
def process_update_event(self, event: Event):
""""""
data = event.data
self.bar_recording_edit.clear()
bar_text = "\n".join(data["bar"])
self.bar_recording_edit.setText(bar_text)
self.tick_recording_edit.clear()
tick_text = "\n".join(data["tick"])
self.tick_recording_edit.setText(tick_text)
def process_contract_event(self, event: Event):
""""""
contract = event.data
self.vt_symbols.append(contract.vt_symbol)
model = self.symbol_completer.model()
model.setStringList(self.vt_symbols)
def process_exception_event(self, event: Event):
""""""
exc_info = event.data
raise exc_info[1].with_traceback(exc_info[2])
def add_bar_recording(self):
""""""
vt_symbol = self.symbol_line.text()
self.recorder_engine.add_bar_recording(vt_symbol)
def add_tick_recording(self):
""""""
vt_symbol = self.symbol_line.text()
self.recorder_engine.add_tick_recording(vt_symbol)
def remove_bar_recording(self):
""""""
vt_symbol = self.symbol_line.text()
self.recorder_engine.remove_bar_recording(vt_symbol)
def remove_tick_recording(self):
""""""
vt_symbol = self.symbol_line.text()
self.recorder_engine.remove_tick_recording(vt_symbol)
class CtaManager(QtWidgets.QWidget):
""""""
signal_log = QtCore.pyqtSignal(Event)
signal_strategy = QtCore.pyqtSignal(Event)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
super(CtaManager, self).__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.cta_engine = main_engine.get_engine(APP_NAME)
self.managers = {}
self.init_ui()
self.register_event()
self.cta_engine.init_engine()
self.update_class_combo()
def init_ui(self):
""""""
self.setWindowTitle("CTA策略")
# Create widgets
self.class_combo = QtWidgets.QComboBox()
add_button = QtWidgets.QPushButton("添加策略")
add_button.clicked.connect(self.add_strategy)
init_button = QtWidgets.QPushButton("全部初始化")
init_button.clicked.connect(self.cta_engine.init_all_strategies)
start_button = QtWidgets.QPushButton("全部启动")
start_button.clicked.connect(self.cta_engine.start_all_strategies)
stop_button = QtWidgets.QPushButton("全部停止")
stop_button.clicked.connect(self.cta_engine.stop_all_strategies)
clear_button = QtWidgets.QPushButton("清空日志")
clear_button.clicked.connect(self.clear_log)
self.scroll_layout = QtWidgets.QVBoxLayout()
self.scroll_layout.addStretch()
scroll_widget = QtWidgets.QWidget()
scroll_widget.setLayout(self.scroll_layout)
scroll_area = QtWidgets.QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setWidget(scroll_widget)
self.log_monitor = LogMonitor(self.main_engine, self.event_engine)
# self.stop_order_monitor = StopOrderMonitor(
# self.main_engine, self.event_engine
# )
# Set layout
hbox1 = QtWidgets.QHBoxLayout()
hbox1.addWidget(self.class_combo)
hbox1.addWidget(add_button)
hbox1.addStretch()
hbox1.addWidget(init_button)
hbox1.addWidget(start_button)
hbox1.addWidget(stop_button)
hbox1.addWidget(clear_button)
grid = QtWidgets.QGridLayout()
grid.addWidget(scroll_area, 0, 0, 2, 1)
#grid.addWidget(self.stop_order_monitor, 0, 1)
grid.addWidget(self.log_monitor, 1, 1)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox1)
vbox.addLayout(grid)
self.setLayout(vbox)
def update_class_combo(self):
""""""
self.class_combo.addItems(
self.cta_engine.get_all_strategy_class_names())
def register_event(self):
""""""
self.signal_strategy.connect(self.process_strategy_event)
self.event_engine.register(EVENT_CTA_STRATEGY,
self.signal_strategy.emit)
def process_strategy_event(self, event):
"""
Update strategy status onto its monitor.
"""
data = event.data
strategy_name = data["strategy_name"]
if strategy_name in self.managers:
manager = self.managers[strategy_name]
manager.update_data(data)
else:
manager = StrategyManager(self, self.cta_engine, data)
self.scroll_layout.insertWidget(0, manager)
self.managers[strategy_name] = manager
def remove_strategy(self, strategy_name):
""""""
manager = self.managers.pop(strategy_name)
manager.deleteLater()
def add_strategy(self):
""""""
class_name = str(self.class_combo.currentText())
if not class_name:
return
parameters = self.cta_engine.get_strategy_class_parameters(class_name)
editor = SettingEditor(parameters, class_name=class_name)
n = editor.exec_()
if n == editor.Accepted:
setting = editor.get_setting()
vt_symbol = setting.pop("vt_symbol")
strategy_name = setting.pop("strategy_name")
self.cta_engine.add_strategy(class_name, strategy_name, vt_symbol,
setting)
def clear_log(self):
""""""
self.log_monitor.setRowCount(0)
def show(self):
""""""
self.showMaximized()
class ChartWizardWidget(QtWidgets.QWidget):
""""""
signal_tick = QtCore.pyqtSignal(Event)
signal_history = QtCore.pyqtSignal(Event)
def __init__(self, main_engine: MainEngine, event_engine: EventEngine):
""""""
super().__init__()
self.main_engine = main_engine
self.event_engine = event_engine
self.chart_engine: ChartWizardEngine = main_engine.get_engine(APP_NAME)
self.bgs: Dict[str, BarGenerator] = {}
self.charts: Dict[str, ChartWidget] = {}
self.init_ui()
self.register_event()
def init_ui(self) -> None:
""""""
self.setWindowTitle("K线图表")
self.tab: QtWidgets.QTabWidget = QtWidgets.QTabWidget()
self.symbol_line: QtWidgets.QLineEdit = QtWidgets.QLineEdit()
self.button = QtWidgets.QPushButton("新建图表")
self.button.clicked.connect(self.new_chart)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("本地代码"))
hbox.addWidget(self.symbol_line)
hbox.addWidget(self.button)
hbox.addStretch()
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addWidget(self.tab)
self.setLayout(vbox)
def create_chart(self) -> ChartWidget:
""""""
chart = ChartWidget()
chart.add_plot("candle", hide_x_axis=True)
chart.add_plot("volume", maximum_height=200)
chart.add_item(CandleItem, "candle", "candle")
chart.add_item(VolumeItem, "volume", "volume")
chart.add_cursor()
return chart
def new_chart(self) -> None:
""""""
# Filter invalid vt_symbol
vt_symbol = self.symbol_line.text()
if not vt_symbol:
return
if vt_symbol in self.charts:
return
contract = self.main_engine.get_contract(vt_symbol)
if not contract:
return
# Create new chart
self.bgs[vt_symbol] = BarGenerator(self.on_bar)
chart = self.create_chart()
self.charts[vt_symbol] = chart
self.tab.addTab(chart, vt_symbol)
# Query history data
end = datetime.now(get_localzone())
start = end - timedelta(days=5)
self.chart_engine.query_history(vt_symbol, Interval.MINUTE, start, end)
def register_event(self) -> None:
""""""
self.signal_tick.connect(self.process_tick_event)
self.signal_history.connect(self.process_history_event)
self.event_engine.register(EVENT_CHART_HISTORY,
self.signal_history.emit)
self.event_engine.register(EVENT_TICK, self.signal_tick.emit)
def process_tick_event(self, event: Event) -> None:
""""""
tick: TickData = event.data
bg = self.bgs.get(tick.vt_symbol, None)
if bg:
bg.update_tick(tick)
chart = self.charts[tick.vt_symbol]
bar = copy(bg.bar)
bar.datetime = bar.datetime.replace(second=0, microsecond=0)
chart.update_bar(bar)
def process_history_event(self, event: Event) -> None:
""""""
history: List[BarData] = event.data
if not history:
return
bar = history[0]
chart = self.charts[bar.vt_symbol]
chart.update_history(history)
# Subscribe following data update
contract = self.main_engine.get_contract(bar.vt_symbol)
req = SubscribeRequest(contract.symbol, contract.exchange)
self.main_engine.subscribe(req, contract.gateway_name)
def on_bar(self, bar: BarData):
""""""
chart = self.charts[bar.vt_symbol]
chart.update_bar(bar)
class SettingMonitor(QtWidgets.QTableWidget):
""""""
setting_signal = QtCore.pyqtSignal(Event)
use_signal = QtCore.pyqtSignal(dict)
def __init__(self, algo_engine: AlgoEngine, event_engine: EventEngine):
""""""
super().__init__()
self.algo_engine = algo_engine
self.event_engine = event_engine
self.settings = {}
self.setting_cells = {}
self.init_ui()
self.register_event()
def init_ui(self):
""""""
labels = [
"",
"",
"名称",
"配置"
]
self.setColumnCount(len(labels))
self.setHorizontalHeaderLabels(labels)
self.verticalHeader().setVisible(False)
self.setEditTriggers(self.NoEditTriggers)
self.verticalHeader().setSectionResizeMode(
QtWidgets.QHeaderView.ResizeToContents
)
self.horizontalHeader().setSectionResizeMode(
3,
QtWidgets.QHeaderView.Stretch
)
self.setWordWrap(True)
def register_event(self):
""""""
self.setting_signal.connect(self.process_setting_event)
self.event_engine.register(
EVENT_ALGO_SETTING, self.setting_signal.emit)
def process_setting_event(self, event):
""""""
data = event.data
setting_name = data["setting_name"]
setting = data["setting"]
cells = self.get_setting_cells(setting_name)
if setting:
self.settings[setting_name] = setting
cells["setting"].setText(to_text(setting))
else:
if setting_name in self.settings:
self.settings.pop(setting_name)
row = self.row(cells["setting"])
self.removeRow(row)
self.setting_cells.pop(setting_name)
def get_setting_cells(self, setting_name: str):
""""""
cells = self.setting_cells.get(setting_name, None)
if not cells:
use_func = partial(self.use_setting, setting_name=setting_name)
use_button = QtWidgets.QPushButton("使用")
use_button.clicked.connect(use_func)
remove_func = partial(self.remove_setting,
setting_name=setting_name)
remove_button = QtWidgets.QPushButton("移除")
remove_button.clicked.connect(remove_func)
name_cell = QtWidgets.QTableWidgetItem(setting_name)
setting_cell = QtWidgets.QTableWidgetItem()
self.insertRow(0)
self.setCellWidget(0, 0, use_button)
self.setCellWidget(0, 1, remove_button)
self.setItem(0, 2, name_cell)
self.setItem(0, 3, setting_cell)
cells = {
"name": name_cell,
"setting": setting_cell
}
self.setting_cells[setting_name] = cells
return cells
def use_setting(self, setting_name: str):
""""""
setting = self.settings[setting_name]
setting["setting_name"] = setting_name
self.use_signal.emit(setting)
def remove_setting(self, setting_name: str):
""""""
self.algo_engine.remove_algo_setting(setting_name)
class AlgoMonitor(QtWidgets.QTableWidget):
""""""
parameters_signal = QtCore.pyqtSignal(Event)
variables_signal = QtCore.pyqtSignal(Event)
def __init__(
self,
algo_engine: AlgoEngine,
event_engine: EventEngine,
mode_active: bool
):
""""""
super().__init__()
self.algo_engine = algo_engine
self.event_engine = event_engine
self.mode_active = mode_active
self.algo_cells = {}
self.init_ui()
self.register_event()
def init_ui(self):
""""""
labels = [
"",
"算法",
"参数",
"状态"
]
self.setColumnCount(len(labels))
self.setHorizontalHeaderLabels(labels)
self.verticalHeader().setVisible(False)
self.setEditTriggers(self.NoEditTriggers)
self.verticalHeader().setSectionResizeMode(
QtWidgets.QHeaderView.ResizeToContents
)
for column in range(2, 4):
self.horizontalHeader().setSectionResizeMode(
column,
QtWidgets.QHeaderView.Stretch
)
self.setWordWrap(True)
if not self.mode_active:
self.hideColumn(0)
def register_event(self):
""""""
self.parameters_signal.connect(self.process_parameters_event)
self.variables_signal.connect(self.process_variables_event)
self.event_engine.register(
EVENT_ALGO_PARAMETERS, self.parameters_signal.emit)
self.event_engine.register(
EVENT_ALGO_VARIABLES, self.variables_signal.emit)
def process_parameters_event(self, event):
""""""
data = event.data
algo_name = data["algo_name"]
parameters = data["parameters"]
cells = self.get_algo_cells(algo_name)
text = to_text(parameters)
cells["parameters"].setText(text)
def process_variables_event(self, event):
""""""
data = event.data
algo_name = data["algo_name"]
variables = data["variables"]
cells = self.get_algo_cells(algo_name)
variables_cell = cells["variables"]
text = to_text(variables)
variables_cell.setText(text)
row = self.row(variables_cell)
active = variables["active"]
if self.mode_active:
if active:
self.showRow(row)
else:
self.hideRow(row)
else:
if active:
self.hideRow(row)
else:
self.showRow(row)
def stop_algo(self, algo_name: str):
""""""
self.algo_engine.stop_algo(algo_name)
def get_algo_cells(self, algo_name: str):
""""""
cells = self.algo_cells.get(algo_name, None)
if not cells:
stop_func = partial(self.stop_algo, algo_name=algo_name)
stop_button = QtWidgets.QPushButton("停止")
stop_button.clicked.connect(stop_func)
name_cell = QtWidgets.QTableWidgetItem(algo_name)
parameters_cell = QtWidgets.QTableWidgetItem()
variables_cell = QtWidgets.QTableWidgetItem()
self.insertRow(0)
self.setCellWidget(0, 0, stop_button)
self.setItem(0, 1, name_cell)
self.setItem(0, 2, parameters_cell)
self.setItem(0, 3, variables_cell)
cells = {
"name": name_cell,
"parameters": parameters_cell,
"variables": variables_cell
}
self.algo_cells[algo_name] = cells
return cells