def ddc_transform(raw):
"""
Transform the ddc search field value
:param str raw:
:rtype: str
"""
m = re_range.match(raw)
if m:
raw = [m.group('start').strip(), m.group('end').strip()]
normed = normalize_ddc_range(*raw)
return f'[{normed[0] or raw[0]} TO {normed[1] or raw[1]}]'
elif raw.endswith('*'):
return normalize_ddc_prefix(raw[:-1]) + '*'
else:
normed = normalize_ddc(raw.strip('"'))
if normed:
return normed[0]
# if none of the transforms took
return raw
def test_normalize_ddc_prefix(prefix, normed, name):
assert normalize_ddc_prefix(prefix) == normed
