Open Media Library Platform

Shared/lib/python2.7/site-packages/stdnum/ie/__init__.py

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+# __init__.py - collection of Irish numbers
+# coding: utf-8
+#
+# Copyright (C) 2012 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 Irish numbers."""

Shared/lib/python2.7/site-packages/stdnum/ie/pps.py

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+# pps.py - functions for handling Irish PPS numbers
+#
+# Copyright (C) 2012, 2013 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
+
+"""PPS No (Personal Public Service Number, Irish personal number).
+
+The Personal Public Service number consists of 8 digits. The first seven
+are numeric and the last is the check character. The number is sometimes
+be followed by an extra letter that can be a 'W', 'T' or an 'X' and is
+ignored for the check algorithm.
+
+>>> validate('6433435F')
+'6433435F'
+>>> validate('6433435E')  # incorrect check digit
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+"""
+
+import re
+
+from stdnum.exceptions import *
+from stdnum.ie import vat
+from stdnum.util import clean
+
+
+pps_re = re.compile('^\d{7}[A-W][WTX]?$')
+"""Regular expression used to check syntax of PPS numbers."""
+
+
+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):
+    """Checks to see if the number provided is a valid PPS number. This
+    checks the length, formatting and check digit."""
+    number = compact(number)
+    if not pps_re.match(number):
+        raise InvalidFormat()
+    if number[7] != vat.calc_check_digit(number[:7]):
+        raise InvalidChecksum()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid PPS number. This
+    checks the length, formatting and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False

Shared/lib/python2.7/site-packages/stdnum/ie/vat.py

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+# vat.py - functions for handling Irish VAT numbers
+#
+# Copyright (C) 2012, 2013 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
+
+"""VAT (Irish VAT number).
+
+The Irish VAT number consists of 8 digits. The last digit is a check
+letter, the second digit may be a number, a letter, "+" or "*".
+
+>>> validate('IE 6433435F')
+'6433435F'
+>>> validate('6433435E')  # incorrect check digit
+Traceback (most recent call last):
+    ...
+InvalidChecksum: ...
+>>> validate('8D79739I')  # old style number
+'8D79739I'
+>>> validate('8?79739J')  # incorrect old style
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+"""
+
+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."""
+    number = clean(number, ' -').upper().strip()
+    if number.startswith('IE'):
+        number = number[2:]
+    return number
+
+
+def calc_check_digit(number):
+    """Calculate the check digit. The number passed should not have the
+    check digit included."""
+    alphabet = 'WABCDEFGHIJKLMNOPQRSTUV'
+    number = (7 - len(number)) * '0' + number
+    return alphabet[sum((8 - i) * int(n) for i, n in enumerate(number)) % 23]
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid VAT number. This checks
+    the length, formatting and check digit."""
+    number = compact(number)
+    if not number[:1].isdigit() or not number[2:7].isdigit():
+        raise InvalidFormat()
+    if len(number) != 8:
+        raise InvalidLength()
+    if number[:7].isdigit():
+        # new system
+        if number[-1] != calc_check_digit(number[:-1]):
+            raise InvalidChecksum()
+    elif number[1] in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ+*':
+        # old system
+        if number[-1] != calc_check_digit(number[2:-1] + number[0]):
+            raise InvalidChecksum()
+    else:
+        raise InvalidFormat()
+    return number
+
+
+def is_valid(number):
+    """Checks to see if the number provided is a valid VAT number. This checks
+    the length, formatting and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False