update shared dependencies

Shared/lib/python3.4/site-packages/stdnum/ar/__init__.py

@@ -0,0 +1,24 @@
+# __init__.py - collection of Argentinian 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 Argentinian numbers."""
+
+# provide vat as an alias
+from stdnum.ar import cuit as vat

Shared/lib/python3.4/site-packages/stdnum/ar/cuit.py

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+# cuit.py - functions for handling Argentinian VAT numbers
+# coding: utf-8
+#
+# Copyright (C) 2009 Mariano Reingart
+# Copyright (C) 2011 Sebastián Marró
+# Copyright (C) 2008-2011 Cédric Krier
+# Copyright (C) 2008-2011 B2CK
+# 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
+
+"""CUIT (Código Único de Identificación Tributaria, Argentinian tax number).
+
+The CUIT is a taxpayer identification number used for VAT (IVA, Impuesto al
+Valor Agregado) and other taxes.
+
+>>> validate('200-5536168-2')
+'20055361682'
+>>> validate('2026756539')
+Traceback (most recent call last):
+    ...
+InvalidLength: ...
+>>> validate('2026756A393')
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+>>> validate('20267565392')
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+"""
+
+from stdnum.exceptions import *
+from stdnum.util import clean
+
+
+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, ' -').strip()
+
+
+def calc_check_digit(number):
+    """Calculate the check digit."""
+    weights = (5, 4, 3, 2, 7, 6, 5, 4, 3, 2)
+    check = sum(w * int(n) for w, n in zip(weights, number)) % 11
+    return '012345678990'[11 - check]
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid CUIT."""
+    number = compact(number)
+    if len(number) != 11:
+        raise InvalidLength()
+    if not number.isdigit():
+        raise InvalidFormat()
+    if calc_check_digit(number[:-1]) != number[-1]:
+        raise InvalidChecksum()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid CUIT."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False