def parse()

in scripts/ValidateParameters/netaddr/eui/ieee.py [0:0]

• 35 lines of code
• 9 McCabe index (conditional complexity)

    def parse(self):
        """
        Starts the parsing process which detects records and notifies
        registered subscribers as it finds each IAB record.
        """
        skip_header = True
        record = None
        size = 0

        hex_marker = _bytes_type('(hex)')
        base16_marker = _bytes_type('(base 16)')
        hyphen = _bytes_type('-')
        empty_string = _bytes_type('')

        while True:
            line = self.fh.readline()

            if not line:
                break   # EOF, we're done

            if skip_header and hex_marker in line:
                skip_header = False

            if skip_header:
                #   ignoring header section
                continue

            if hex_marker in line:
                #   record start
                if record is not None:
                    record.append(size)
                    self.notify(record)

                offset = (self.fh.tell() - len(line))
                iab_prefix = line.split()[0]
                index = iab_prefix
                record = [index, offset]
                size = len(line)
            elif base16_marker in line:
                #   within record
                size += len(line)
                prefix = record[0].replace(hyphen, empty_string)
                suffix = line.split()[0]
                suffix = suffix.split(hyphen)[0]
                record[0] = (int(prefix + suffix, 16)) >> 12
            else:
                #   within record
                size += len(line)

        #   process final record on loop exit
        record.append(size)
        self.notify(record)