시스템트레이딩/파이썬 (2) 썸네일형 리스트형 종목 ohlc 데이터 만들기 import pandas as pd from pathlib import Path class SingletonType(type): def __call__(cls, *args, **kwargs): try: return cls.__instance except AttributeError: cls.__instance = super(SingletonType, cls).__call__(*args, **kwargs) return cls.__instance class CodeMan(object, metaclass=SingletonType): FILENAME = 'codelist.csv' def __init__(self): self.code_df = self.get_code_list() def get_code_list(s.. 종목 가져오기 import pandas as pd class SingletonType(type): def __call__(cls, *args, **kwargs): try: return cls.__instance except AttributeError: cls.__instance = super(SingletonType, cls).__call__(*args, **kwargs) return cls.__instance class CodeMan(object, metaclass=SingletonType): def __init__(self): self.code_df = self.get_code_list() def get_code_list(self): code_df = pd.read_html('http://kind.krx.co.kr.. 이전 1 다음