def _convert_to_style(cls, style_dict, num_format_str=None):
        """
        converts a style_dict to an xlwt style object
        Parameters
        ----------
        style_dict : style dictionary to convert
        num_format_str : optional number format string
        """
        import xlwt

        if style_dict:
            xlwt_stylestr = cls._style_to_xlwt(style_dict)
            style = xlwt.easyxf(xlwt_stylestr, field_sep=',', line_sep=';')
        else:
            style = xlwt.XFStyle()
        if num_format_str is not None:
            style.num_format_str = num_format_str

        return style
def _convert_to_style ( cls , style_dict , num_format_str = None ) : import xlwt if style_dict : xlwt_stylestr = cls . _style_to_xlwt ( style_dict ) style = xlwt . easyxf ( xlwt_stylestr , field_sep = ',' , line_sep = ';' ) else : style = xlwt . XFStyle ( ) if num_format_str is not None : style . num_format_str = num_format_str return style
converts a style_dict to an xlwt style object
        Parameters
        ----------
        style_dict : style dictionary to convert
        num_format_str : optional number format string