8d4d199c35f5163ed21ae705a16ce3c8548d60c6,Orange/data/io.py,BasketReader,prescan_file,#BasketReader#Any#,191

Before Change

        n_elements = 0
        n_rows = 0
        for line in file:
            items = set(mo.group(1).strip()
                        for mo in self.re_name.finditer(line))
            names.update(items)
            n_elements += len(items)
            n_rows += 1
        return names, n_elements, n_rows

After Change

        n_elements = 0
        classes = file.readline().strip()
        header = classes.lower().startswith("classes:")
        if header:
            classes = set(x.strip() for x in classes[8:].split(","))
            names = set(classes)
        else:
            names = set()
            classes = set()
            file.seek(0)
        reader = csv.reader(file)
        for line in reader:
            names.update(mo.split("=")[0] for mo in line)

Instances