qteasy/database.py
def file_datetime_range(self, file_name):
        """ get the datetime range start and end of the file

        :param file_name:
        :return:
        """
        df = self.open_file(file_name)
        return df.index[0], df.index[-1]
 get the datetime range start and end of the file

        :param file_name:
        :return:
        
get the datetime range start and end of the file
get the datetime range start and end of the file
def file_datetime_range(self, file_name):
        df = self.open_file(file_name)
        return df.index[0], df.index[-1]
def file_datetime_range ( self , file_name ) : df = self . open_file ( file_name ) return df . index [ 0 ] , df . index [ - 1 ]
get the datetime range start and end of the file
get the datetime range start and end of the file
""" get the datetime range start and end of the file

        :param file_name:
        :return:
        """
None
self
file_name
None