python-stdnum branch master updated. 1.11-25-g4ad2d9c

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https://arthurdejong.org/git/python-stdnum/commit/?id=4ad2d9cfb62aa477fb471efd6a0dd076548d976f

commit 4ad2d9cfb62aa477fb471efd6a0dd076548d976f
Author: Leandro Regueiro <leandro.regueiro@gmail.com>
Date:   Sun Jun 23 14:47:17 2019 +0200

    Add Andorran TIN
    
    Closes https://github.com/arthurdejong/python-stdnum/pull/145
    Closes https://github.com/arthurdejong/python-stdnum/issues/119

diff --git a/stdnum/ad/__init__.py b/stdnum/ad/__init__.py
new file mode 100644
index 0000000..09ccf97
--- /dev/null
+++ b/stdnum/ad/__init__.py
@@ -0,0 +1,24 @@
+# __init__.py - collection of Andorran numbers
+# coding: utf-8
+#
+# Copyright (C) 2019 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
+
+"""Collection of Andorran numbers."""
+
+# Provide aliases.
+from stdnum.ad import nrt as vat  # noqa: F401
diff --git a/stdnum/ad/nrt.py b/stdnum/ad/nrt.py
new file mode 100644
index 0000000..00185c9
--- /dev/null
+++ b/stdnum/ad/nrt.py
@@ -0,0 +1,93 @@
+# nrt.py - functions for handling Andorra NRT numbers
+# coding: utf-8
+#
+# Copyright (C) 2019 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
+
+"""NRT (Número de Registre Tributari, Andorra tax number).
+
+The Número de Registre Tributari (NRT) is an identifier of legal and natural
+entities for tax purposes.
+
+This number consists of one letter indicating the type of entity, then 6
+digits, followed by a check letter.
+
+More information:
+
+* 
https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/Andorra-TIN.pdf
+
+>>> validate('U-132950-X')
+'U132950X'
+>>> validate('A123B')
+Traceback (most recent call last):
+    ...
+InvalidLength: ...
+>>> validate('I 706193 G')
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> format('D059888N')
+'D-059888-N'
+"""
+
+from stdnum.exceptions import *
+from stdnum.util import clean, isdigits
+
+
+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()
+
+
+def validate(number):
+    """Check if the number is a valid Andorra NRT number.
+
+    This checks the length, formatting and other contraints. It does not check
+    for control letter.
+    """
+    number = compact(number)
+    if len(number) != 8:
+        raise InvalidLength()
+    if not number[0].isalpha() or not number[-1].isalpha():
+        raise InvalidFormat()
+    if not isdigits(number[1:-1]):
+        raise InvalidFormat()
+    if number[0] not in 'ACDEFGLOPU':
+        raise InvalidComponent()
+    if number[0] == 'F' and number[1:-1] > '699999':
+        raise InvalidComponent()
+    if number[0] in 'AL' and not ('699999' < number[1:-1] < '800000'):
+        raise InvalidComponent()
+    return number
+
+
+def is_valid(number):
+    """Check if the number is a valid Andorra NRT number."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False
+
+
+def format(number):
+    """Reformat the number to the standard presentation format."""
+    number = compact(number)
+    return '-'.join([number[0], number[1:-1], number[-1]])
diff --git a/tests/test_ad_nrt.doctest b/tests/test_ad_nrt.doctest
new file mode 100644
index 0000000..74d5f8d
--- /dev/null
+++ b/tests/test_ad_nrt.doctest
@@ -0,0 +1,140 @@
+test_ad_nrt.doctest - more detailed doctests for stdnum.ad.nrt module
+
+Copyright (C) 2019 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
+
+
+This file contains more detailed doctests for the stdnum.ad.nrt module. It
+tries to test more corner cases and detailed functionality that is not really
+useful as module documentation.
+
+>>> from stdnum.ad import nrt
+
+
+Tests for some corner cases.
+
+>>> nrt.validate('U132950X')
+'U132950X'
+>>> nrt.validate('U-132950-X')
+'U132950X'
+>>> nrt.validate('U 132950 X')
+'U132950X'
+>>> nrt.validate('U 132.950 X')
+'U132950X'
+>>> nrt.format('D 059.888 N')
+'D-059888-N'
+>>> nrt.format('D059888N')
+'D-059888-N'
+>>> nrt.validate('A123B')
+Traceback (most recent call last):
+    ...
+InvalidLength: ...
+>>> nrt.validate('0123456N')  # First character is not a letter.
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+>>> nrt.validate('A1234567')  # Last character is not a letter.
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+>>> nrt.validate('LABCDEFX')  # Central characters are not digits.
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+>>> nrt.validate('X123456A')  # Invalid first letter.
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> nrt.validate('F700000A')  # Invalid digits for natural resident person.
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> nrt.validate('A699999X')  # Invalid digits for "Societat Anonima".
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> nrt.validate('A800000X')  # Invalid digits for "Societat Anonima".
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> nrt.validate('L699999X')  # Invalid digits for "Societat Limitada".
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+>>> nrt.validate('L800000X')  # Invalid digits for "Societat Limitada".
+Traceback (most recent call last):
+    ...
+InvalidComponent: ...
+
+
+These have been found online and should all be valid numbers.
+
+>>> numbers = '''
+...
+... A-700555-R
+... A-700747-F
+... A-700814-R
+... A-701315-C
+... A-702792-H
+... A-703168-T
+... A-704683-Z
+... A-704834-X
+... A-705 321-C
+... A-706010-J
+... A-707871-V
+... A-710.646-J
+... A700071W
+... A700527F
+... A701485T
+... D-059888 –N
+... D-800044-K
+... D-800383-X
+... D059888N
+... F-000429-F
+... F-037945-M
+... F-044646-J
+... F-175669-X
+... F-221117-V
+... F-245998-L
+... L-701412-V
+... L-702597-Z
+... L-706185-U
+... L-707969-P
+... L-709222-X
+... L-709418-H
+... L-709869-T
+... L-710605-S
+... L-711019-X
+... L-711063-H
+... L-711847-V
+... L-712255-G
+... L-712456-J
+... L-713298-F
+... L709811-C
+... O-801585-O
+... U-132950-X
+... U-186013-P
+... U-800428-R
+... U-800584-Z
+... U-801585-U
+... U-801663-B
+... U-801667-X
+... U800301-M
+...
+... '''
+>>> [x for x in numbers.splitlines() if x and not nrt.is_valid(x)]
+[]

-----------------------------------------------------------------------

Summary of changes:
 stdnum/{uy => ad}/__init__.py   |   8 +--
 stdnum/{za/tin.py => ad/nrt.py} |  58 ++++++++++-------
 tests/test_ad_nrt.doctest       | 140 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 177 insertions(+), 29 deletions(-)
 copy stdnum/{uy => ad}/__init__.py (83%)
 copy stdnum/{za/tin.py => ad/nrt.py} (55%)
 create mode 100644 tests/test_ad_nrt.doctest


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