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Fixes arthurdejong#357
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# __init__.py - collection of Senegal numbers | ||
# coding: utf-8 | ||
# | ||
# Copyright (C) 2023 Leandro Regueiro | ||
# | ||
# This library is free software; you can redistribute it and/or | ||
# modify it under the terms of the GNU Lesser General Public | ||
# License as published by the Free Software Foundation; either | ||
# version 2.1 of the License, or (at your option) any later version. | ||
# | ||
# This library is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
# Lesser General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU Lesser General Public | ||
# License along with this library; if not, write to the Free Software | ||
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
# 02110-1301 USA | ||
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"""Collection of Senegal numbers.""" | ||
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# provide aliases | ||
from stdnum.sn import ninea as vat # noqa: F401 |
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# ninea.py - functions for handling Senegal NINEA numbers | ||
# coding: utf-8 | ||
# | ||
# Copyright (C) 2023 Leandro Regueiro | ||
# | ||
# This library is free software; you can redistribute it and/or | ||
# modify it under the terms of the GNU Lesser General Public | ||
# License as published by the Free Software Foundation; either | ||
# version 2.1 of the License, or (at your option) any later version. | ||
# | ||
# This library is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
# Lesser General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU Lesser General Public | ||
# License along with this library; if not, write to the Free Software | ||
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
# 02110-1301 USA | ||
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"""NINEA (Numéro d'Identification national des Entreprises et Associations, | ||
Senegal tax number). | ||
This number consists of 7 digits (in practive it is sometimes 9 digits, the | ||
first two being zeroes). It is usually followed by a Tax Identification Code | ||
called COFI. | ||
The COFI consists of 3 alphanumeric characters. The first one is a digit: | ||
* 0: taxpayer subject to the real scheme, not subject to VAT. | ||
* 1: taxpayer subject to the single global contribution (TOU). | ||
* 2: taxpayer subject to the real scheme and subject to VAT. | ||
The second character is a letter that indicates the tax center of attachment: | ||
* A: Dakar Plateau 1. | ||
* B: Dakar Plateau 2. | ||
* C: Grand Dakar. | ||
* D: Pikine. | ||
* E: Rufisque. | ||
* F: Thiès. | ||
* G: Big Business Center. | ||
* H: Luga. | ||
* J: Diourbel. | ||
* K: Saint-Louis. | ||
* L: Tambacounda. | ||
* M: Kaolack. | ||
* N: Fatick. | ||
* P: A. | ||
* Q: Kolda. | ||
* R: remediated Parcels. | ||
* S: Liberal Professions. | ||
* T: Guédiawaye. | ||
* U: Dakar-Medina. | ||
* V: Dakar Freedom. | ||
* W: Matam. | ||
* Z: Medium Business Centre. | ||
The third character is a digit that indicates the legal form of the taxpayer: | ||
* 1: Individual-Natural person. | ||
* 2: SARL. | ||
* 3: SA. | ||
* 4: Simple Limited Partnership. | ||
* 5: Share Sponsorship Company. | ||
* 6: GIE. | ||
* 7: Civil Society. | ||
* 8: Partnership. | ||
* 9: Cooperative Association. | ||
* 0: Other. | ||
More information: | ||
* https://www.nkac-audit.com/en/comment-lire-un-numero-d-identifiant-fiscal-unique-ninea-au-senegal/ | ||
* https://audifiscsn.com/en/2021/12/11/savoir-bien-lire-le-ninea-peut-vous-eviter-des-redressements-fiscaux/ | ||
* https://www.creationdentreprise.sn/rechercher-une-societe | ||
>>> validate('3067221') | ||
'3067221 | ||
>>> validate('30672212G2') | ||
'30672212G2' | ||
>>> validate('306 7221') | ||
'306 7221' | ||
>>> validate('3067221 2G2') | ||
'3067221 2G2' | ||
>>> validate('12345') | ||
Traceback (most recent call last): | ||
... | ||
InvalidLength: ... | ||
>>> format('30672212G2') | ||
'3067221 2G2' | ||
""" # noqa: E501 | ||
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from stdnum.exceptions import * | ||
from stdnum.util import clean, isdigits | ||
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TAX_CENTERS = ('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', | ||
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'Z') | ||
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def compact(number): | ||
"""Convert the number to the minimal representation. | ||
This strips the number of any valid separators and removes surrounding | ||
whitespace. | ||
""" | ||
return clean(number, ' -/,').upper().strip() | ||
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def validate(number): | ||
"""Check if the number is a valid Senegal NINEA number. | ||
This checks the length and formatting. | ||
""" | ||
number = compact(number) | ||
if len(number) not in (7, 9, 10, 12): | ||
raise InvalidLength() | ||
if len(number) in (7, 9): | ||
if not isdigits(number): | ||
raise InvalidFormat() | ||
return number | ||
if not isdigits(number[:-3]): | ||
raise InvalidFormat() | ||
if number[-3] not in ('0', '1', '2'): | ||
raise InvalidComponent() | ||
if number[-2] not in TAX_CENTERS: | ||
raise InvalidComponent() | ||
if not isdigits(number[-1]): | ||
raise InvalidComponent() | ||
return number | ||
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def is_valid(number): | ||
"""Check if the number is a valid Senegal NINEA number.""" | ||
try: | ||
return bool(validate(number)) | ||
except ValidationError: | ||
return False | ||
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def format(number): | ||
"""Reformat the number to the standard presentation format.""" | ||
number = compact(number) | ||
if len(number) in (7, 9): | ||
return number | ||
return ' '.join([number[:-3], number[-3:]]) |
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test_sn_ninea.doctest - more detailed doctests for stdnum.sn.ninea module | ||
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Copyright (C) 2023 Leandro Regueiro | ||
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This library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
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||
This library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
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You should have received a copy of the GNU Lesser General Public | ||
License along with this library; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
02110-1301 USA | ||
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This file contains more detailed doctests for the stdnum.sn.ninea module. It | ||
tries to test more corner cases and detailed functionality that is not really | ||
useful as module documentation. | ||
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>>> from stdnum.sn import ninea | ||
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Tests for some corner cases. | ||
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>>> ninea.validate('3067221') | ||
'3067221' | ||
>>> ninea.validate('30672212G2') | ||
'30672212G2' | ||
>>> ninea.validate('306 7221') | ||
'3067221' | ||
>>> ninea.validate('3067221 2G2') | ||
'30672212G2' | ||
>>> ninea.validate('3067221/2/G/2') | ||
'30672212G2' | ||
>>> ninea.validate('3067221-2G2') | ||
'30672212G2' | ||
>>> ninea.validate('12345') | ||
Traceback (most recent call last): | ||
... | ||
InvalidLength: ... | ||
>>> ninea.validate('VV34567') | ||
Traceback (most recent call last): | ||
... | ||
InvalidFormat: ... | ||
>>> ninea.validate('VV345670A0') | ||
Traceback (most recent call last): | ||
... | ||
InvalidFormat: ... | ||
>>> ninea.validate('12345679A0') | ||
Traceback (most recent call last): | ||
... | ||
InvalidComponent: ... | ||
>>> ninea.validate('12345670I0') | ||
Traceback (most recent call last): | ||
... | ||
InvalidComponent: ... | ||
>>> ninea.validate('12345670AV') | ||
Traceback (most recent call last): | ||
... | ||
InvalidComponent: ... | ||
>>> ninea.format('30672212G2') | ||
'3067221 2G2' | ||
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These have been found online and should all be valid numbers. | ||
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>>> numbers = ''' | ||
... | ||
... 30672212G2 | ||
... 008895677 | ||
... 0288846 2G3 | ||
... 006269436 | ||
... 0120 212 | ||
... 005131305 2G3 | ||
... 005844700 | ||
... 2,838,516 2B3 | ||
... 0,513,475 2C1 | ||
... 005,830,866 1V1 | ||
... 0,059 990 2G3 | ||
... 006,364,472 2L2 | ||
... 0,017,766 2G3 | ||
... 5,729,803 2V2 | ||
... 0,027,476 2G3 | ||
... 005754339 2V2 | ||
... 50 63 699 2E1 | ||
... 0014051-2G3 | ||
... 48522250G0 | ||
... 0020884 2 G 3 | ||
... 006295879 | ||
... 1928863 2B2 | ||
... 00830 48 0 C 9 | ||
... 4069367 2G3 | ||
... 005241550 2C2 | ||
... 006416681 | ||
... 26080342R2 | ||
... 0283 408-2C2 | ||
... 49615470C0 | ||
... 22486742 S 3 | ||
... 20839132 S 3 | ||
... 004641363 | ||
... 0063150572G2 | ||
... 61523762A2 | ||
... 2079376/2/G/3 | ||
... 008135114 | ||
... 006208434 | ||
... 005046174 | ||
... 0044440722V1 | ||
... 00153142G3 | ||
... 005117355 | ||
... 30092572G3 | ||
... 2139378 2V2 | ||
... 0045799442C2 | ||
... 006373295/0A9 | ||
... 002420983 2G3 | ||
... 244982000 | ||
... 006946034 | ||
... 0316390 | ||
... 008517560 | ||
... 005023081 | ||
... 00569042P2 | ||
... 26581702G2 | ||
... 25833512R2 | ||
... 2599770 2 B 2 | ||
... 255 44 772 S 3 | ||
... 004343430 | ||
... 0366 709 2S2 | ||
... 007039292 | ||
... 00722992 G 3 | ||
... 007307748 1V1 | ||
... 0051126442L1 | ||
... 00154212G3 | ||
... 0185844 2 R 2 | ||
... 0332891 | ||
... 26132492D6 | ||
... 007057947 | ||
... 006325741 | ||
... 21948852B9 | ||
... 007660740 | ||
... 0404913 2B1 | ||
... 21409612D1 | ||
... 00661012S3 | ||
... 0149642 | ||
... 00605 33 92 | ||
... 006900387 | ||
... 006715314 2G3 | ||
... 2160472-2G3 | ||
... 25437852G3 | ||
... 00140012G3 | ||
... 81329702S1 | ||
... 5435 468 0G0 | ||
... 0046 00096 2S9 | ||
... 002502343 | ||
... 270 773 72 S2 | ||
... 00722992G3 | ||
... 0108531 2G3 | ||
... 2929406 0G0 | ||
... 19370542G2 | ||
... 007266126 | ||
... 008895586 | ||
... 41130152C2 | ||
... 007389100 | ||
... 005216371 2V3 | ||
... 008086242 1E1 | ||
... 00284430 C0 | ||
... 006777463 | ||
... 007912662 | ||
... 0053655402R2 | ||
... 24312110V9 | ||
... 007992482 2A3 | ||
... 0019366 | ||
... 004237633 2B2 | ||
... 005371026 | ||
... 004912269 | ||
... | ||
... ''' | ||
>>> [x for x in numbers.splitlines() if x and not ninea.is_valid(x)] | ||
[] |