add Australian number: ABN, ACN, TFN

stdnum/__init__.py

@@ -29,6 +29,9 @@
 * ar.cuit: CUIT (Código Único de Identificación Tributaria, Argentinian tax number)
 * at.businessid: Austrian Company Register Numbers
 * at.uid: UID (Umsatzsteuer-Identifikationsnummer, Austrian VAT number)
+* au.abn: ABN Australian Business Number
+* au.acn: ACN Australian Company Number
+* au.tfn: TFN Australian Tax File Number
 * be.vat: BTW, TVA, NWSt (Belgian VAT number)
 * bg.egn: EGN (ЕГН, Единен граждански номер, Bulgarian personal identity codes)
 * bg.pnf: PNF (ЛНЧ, Личен номер на чужденец, Bulgarian number of a foreigner)

stdnum/au/__init__.py

@@ -0,0 +1,21 @@
+# __init__.py - collection of Australian numbers
+# coding: utf-8
+#
+# Copyright (C) 2015 Arthur de Jong
+#
+# 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 Australian numbers."""

stdnum/au/abn.py

@@ -0,0 +1,72 @@
+# abn.py - functions for handling Australian Business Numbers (ABNs)
+#
+# Copyright (C) 2016 Vincent Bastos
+#
+# 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
+
+"""ABN.
+
+>>> validate('83 914 571 673')
+'83914571673'
+>>> validate('99 999 999 999')
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+"""
+import copy
+import operator
+
+from stdnum.exceptions import *
+
+
+def compact(number):
+    """Convert the number to the minimal representation. This strips the
+    number of any valid separators and removes surrounding whitespace."""
+    number = number.replace(" ", "")
+    return number
+
+
+def checksum(number):
+    """Calculate the checksum."""
+    weights(10, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19)
+    temp_number = copy.copy(number)
+    temp_number[0] -= 1
+    return sum(map(operator.mul, temp_number, weights)) % 89
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid ABN number. This checks
+    the length, formatting and check digit."""
+    number = compact(number)
+    if not number.isdigit():
+        raise InvalidFormat()
+    if len(number) != 11:
+        raise InvalidLength()
+    if checksum(number) != 0:
+        raise InvalidChecksum()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid ABN number. This checks
+    the length, formatting and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False
+
+def format(number):
+        return "{}{} {}{}{} {}{}{} {}{}{}".format(*number)

stdnum/au/acn.py

@@ -0,0 +1,70 @@
+# acn.py - functions for handling Australian Company Numbers (ACNs)
+#
+# Copyright (C) 2016 Vincent Bastos
+#
+# 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
+
+"""ACN.
+
+>>> validate('010 499 966')
+'010499966'
+>>> validate('999 999 999')
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+"""
+
+import operator
+
+from stdnum.exceptions import *
+
+
+def compact(number):
+    """Convert the number to the minimal representation. This strips the
+    number of any valid separators and removes surrounding whitespace."""
+    number = number.replace(" ", "")
+    return number
+
+
+def checksum(number):
+    """Calculate the checksum."""
+    weights(8, 7, 6, 5, 4, 3, 2, 1)
+    return (10 - (sum(map(operator.mul, number, weights))) % 10) % 10
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid ACN number. This checks
+    the length, formatting and check digit."""
+    number = compact(number)
+    if not number.isdigit():
+        raise InvalidFormat()
+    if len(number) != 9:
+        raise InvalidLength()
+    if checksum(number) != 0:
+        raise InvalidChecksum()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid ACN number. This checks
+    the length, formatting and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False
+
+def format(number):
+        return "{}{}{} {}{}{} {}{}{}".format(*number)

stdnum/au/tfn.py

@@ -0,0 +1,70 @@
+# tfn.py - functions for handling Australian Tax File Numbers (TFNs)
+#
+# Copyright (C) 2016 Vincent Bastos
+#
+# 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
+
+"""TFN.
+
+>>> validate('876 543 210')
+'876543210'
+>>> validate('999 999 999')
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+"""
+
+import operator
+
+from stdnum.exceptions import *
+
+
+def compact(number):
+    """Convert the number to the minimal representation. This strips the
+    number of any valid separators and removes surrounding whitespace."""
+    number = number.replace(" ", "")
+    return number
+
+
+def checksum(number):
+    """Calculate the checksum."""
+    weights(1, 4, 3, 7, 5, 8, 6, 9, 10)
+    return sum(map(operator.mul, number, weights)) % 11
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid TFN number. This checks
+    the length, formatting and check digit."""
+    number = compact(number)
+    if not number.isdigit():
+        raise InvalidFormat()
+    if len(number) != 9:
+        raise InvalidLength()
+    if checksum(number) != 0:
+        raise InvalidChecksum()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid TFN number. This checks
+    the length, formatting and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False
+
+def format(number):
+        return "{}{}{} {}{}{} {}{}{}".format(*number)