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python-stdnum branch master updated. 1.6-9-g0c91b43

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commit 0c91b4302ca4019ab1ea7c023b592c177dddc4fe
Author: Mohammed Salman <>
Date:   Thu Aug 17 15:45:25 2017 +0300

    Implement Finnish individual tax number validation

diff --git a/stdnum/fi/ b/stdnum/fi/
new file mode 100644
index 0000000..6bee0b6
--- /dev/null
+++ b/stdnum/fi/
@@ -0,0 +1,74 @@
+# - functions for handling Finnish individual tax numbers
+# coding: utf-8
+# Copyright (C) 2017 Holvi Payment Services Oy
+# Copyright (C) 2017 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
+# 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
+Veronumero (Finnish individual tax number).
+The Veronumero an individual tax number that is assigned to workers in the
+construction industry in Finland. The number is separate from the HETU and is
+a 12 digit number without any embedded information such as birth dates.
+More information:
+>>> validate('123456789123')
+>>> validate('12345678912A')
+Traceback (most recent call last):
+    ...
+InvalidFormat: ...
+>>> validate('123456789')
+Traceback (most recent call last):
+    ...
+InvalidLength: ...
+from stdnum.exceptions import *
+from stdnum.util import clean
+def compact(number):
+    """Convert the Veronumero to the minimal representation. This strips
+    surrounding whitespace and removes separators."""
+    return clean(number, ' ').strip()
+def validate(number):
+    """Checks to see if the number provided is a valid tax number. This
+    checks the length and formatting."""
+    number = compact(number)
+    if not number.isdigit():
+        raise InvalidFormat()
+    if len(number) != 12:
+        raise InvalidLength()
+    # there is no known check digit validation
+    return number
+def is_valid(number):
+    """Checks to see if the number provided is a valid tax number. This
+    checks the length and formatting."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False


Summary of changes:
 stdnum/{al/ => fi/} | 62 +++++++++++++++------------------
 1 file changed, 28 insertions(+), 34 deletions(-)
 copy stdnum/{al/ => fi/} (53%)

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