def normalise_phone_number(nr):
if not nr:
return nr
try:
number = pn_parse(nr, 'CH')
return pn_format_number(number, PhoneNumberFormat.E164)
except NumberParseException:
# Apparently, not all numbers are valid.
# e.g. 'faker' (used in sample data) produces phone numbers such as
# u'+08(2)9338238082'. In such cases, we try our own version:
nr = nr.replace('(', '').replace(')', '').replace(' ', '')
if nr.startswith('+'):
return nr
if nr.startswith('00'):
return nr.replace('00', '+', 1)
raise ValueError("Invalid number")
def normalize_phone_number(num):
return pn_format_number(pn_parse(num, 'US'),
PhoneNumberFormat.INTERNATIONAL)