numpy.datetime64からdatetime.datetimeへの変換 - Qiita

from datetime import datetime from numpy import datetime64 def ts2dt(ts): ''' ts2dt(): datetime64 -> datetime datetime64('year'), datetime64('year-month') はエラーとなる ''' return datetime.fromisoformat(str(ts)[0:26]) _date_re=re.compile('^[0-9]{4}-[0-9]{2}-[0-9]{2}') _month_re=re.compile('^[0-9]{4}-[0-9]{2}$') _year_re=re.compile('^[0-9]{4}$') def safer_ts2dt(ts): ''' safer_ts2dt(): datetime64 -> datet