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class SquareDealError(Exception):
pass
def squaredeal_board_range(arg_str):
from squaredeal.sqd import validate_board_range_str
ranges = []
for range_str in arg_str.split(','):
range_match = re.match(r'^([0-9]+)x([0-9]+)$', range_str)
if range_match:
subrange_count = int(range_match.group(2))
ranges += ['%d-%d' % (i*subrange_count+1, (i+1)*subrange_count) for i in range(0, int(range_match.group(1)))]
continue
ranges += [validate_board_range_str(range_str)]
return ','.join(ranges)
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