ifnot self.position:# 未持仓 ifself.crossover>0:# 短期均线上穿长期均线,产生买入信号 self.buy() elif self.crossover<0:# 短期均线下穿长期均线,产生卖出信号 self.sell() 设置数据并运行回测: cerebro = bt.Cerebro() data = bt.feeds.YahooFinanceData(dataname='AAPL',# 苹果公司股票 fromdate=da...
process_date()功能 importdatetime,re,sys,holidaysdefprocess_date(input_str:str)->{}:"""Processes and engineers simple features for date stringsParameters:input_str (str): Date string of format '2021-07-14'Returns:dict: Dictionary of processed date features"""# Validate date string inputregex=...
The input string is a valid date and doesn't contain any other words or numbers. If you know the language or languages beforehand, you add them through thelanguagesorlocalesproperties. On the other hand, if you want to exclude any of the default parsers (timestamp,relative-time...) or ...
defplot_raw_data():fig=go.Figure()fig.add_trace(go.Scatter(x=data['Date'],y=data['Open'],name="stock_open"))fig.add_trace(go.Scatter(x=data['Date'],y=data['Close'],name="stock_close"))fig.layout.update(title_text='Time Series data with Rangeslider',xaxis_rangeslider_visible=...
if__name__ =='__main__': parser = argparse.ArgumentParser( description=__description__, epilog="Developed by {} on {}".format(", ".join(__authors__), __date__) ) parser.add_argument('EVIDENCE_FILE',help="Path to evidence file") ...
POST/session{"username":{string},"password":{string}} 输入正确的用户名和密码,登录成功后会返回一个token ··· { "token": {string} } ··· 在后续请求中,将token放入请求头信息中请求头的key为X-Cookie,值为 token=xxxx,例如 :X-Cookie: token=5fa3d3fd97edcf40a41bb4dbdfd0b470ba45dde04eb...
How to compare a string with an Enum in Python | bobbyhadz class Color(str, Enum): RED = 'stop' GREEN = 'go' YELLOW = 'get ready' Better try except #1 try: something() except Exception as e: print(f'error is {str(e)}') ...
装饰器把将check_admin和index当做一个参数传递给inner函数,defindex():"""管理员功能 :return:"""print('Index') 可以加参数的装饰器@filter(before,Agter),用于web程序 + View Code 二、字符串格式化 Python中字符串格式化有两种方式:%百分号方式、format方式...
def convert_str_datetime(df): ''' AIM -> Convert datetime(String) to datetime(format we want) INPUT -> df OUTPUT -> updated df with new datetime format --- ''' df.insert(loc=2, column='timestamp', value=pd.to_datetime(df.transdate, format='%Y-%m-%d %H:...
date_format – get the currently used date format Y - fileno – get the socket used to connect to the database Y - set_non_blocking - set the non-blocking status of the connection Y - is_non_blocking - report the blocking status of the connection Y - getnotify – get the last noti...