update shared dependencies

Shared/lib/python3.4/site-packages/stdnum/us/atin.py

@@ -31,6 +31,8 @@ Traceback (most recent call last):
 InvalidFormat: ...
 >>> format('123456789')
 '123-45-6789'
+>>> format('123')  # unknown formatting is left alone
+'123'
 """
 
 import re
@@ -40,7 +42,7 @@ from stdnum.util import clean
 
 
 # regular expression for matching ATINs
-_atin_re = re.compile('^[0-9]{3}-?[0-9]{2}-?[0-9]{4}$')
+_atin_re = re.compile(r'^[0-9]{3}-?[0-9]{2}-?[0-9]{4}$')
 
 
 def compact(number):

Shared/lib/python3.4/site-packages/stdnum/us/ein.py

@@ -38,6 +38,8 @@ Traceback (most recent call last):
 InvalidComponent: ...
 >>> format('042103594')
 '04-2103594'
+>>> format('123')  # unknown formatting is left alone
+'123'
 """
 
 import re
@@ -47,7 +49,7 @@ from stdnum.util import clean
 
 
 # regular expression for matching EINs
-_ein_re = re.compile('^(?P<area>[0-9]{2})-?(?P<group>[0-9]{7})$')
+_ein_re = re.compile(r'^(?P<area>[0-9]{2})-?(?P<group>[0-9]{7})$')
 
 
 def compact(number):

Shared/lib/python3.4/site-packages/stdnum/us/itin.py

@@ -45,6 +45,8 @@ InvalidComponent: ...
 '123456789'
 >>> format('111223333')
 '111-22-3333'
+>>> format('123')  # unknown formatting is left alone
+'123'
 """
 
 import re
@@ -54,7 +56,7 @@ from stdnum.util import clean
 
 
 # regular expression for matching ITINs
-_itin_re = re.compile('^(?P<area>[0-9]{3})-?(?P<group>[0-9]{2})-?[0-9]{4}$')
+_itin_re = re.compile(r'^(?P<area>[0-9]{3})-?(?P<group>[0-9]{2})-?[0-9]{4}$')
 
 
 # allowed group digits

Shared/lib/python3.4/site-packages/stdnum/us/ptin.py

@@ -40,7 +40,7 @@ from stdnum.util import clean
 
 
 # regular expression for matching PTINs
-_ptin_re = re.compile('^P[0-9]{8}$')
+_ptin_re = re.compile(r'^P[0-9]{8}$')
 
 
 def compact(number):

Shared/lib/python3.4/site-packages/stdnum/us/rtn.py

@@ -0,0 +1,87 @@
+# rtn.py - functions for handling banking routing transit numbers
+#
+# Copyright (C) 2014 Lifealike Ltd
+#
+# 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
+
+"""RTN (Routing transport number).
+
+The routing transport number is a nine digit number used in the US banking
+system for processing deposits between banks.
+
+The last digit is a checksum.
+
+>>> calc_check_digit('11100002')
+'5'
+>>> validate('111000025')
+'111000025'
+>>> validate('11100002')  # Not nine digits
+Traceback (most recent call last):
+    ...
+InvalidLength: ..
+>>> validate('11100002B')  # Not all numeric
+Traceback (most recent call last):
+    ...
+InvalidFormat: ..
+>>> validate('112000025')  # bad checksum
+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 surrounding whitespace."""
+    number = clean(number).strip()
+    return number
+
+
+def calc_check_digit(number):
+    """Calculate the check digit. The number passed should not have the
+    check digit included."""
+    digits = [int(c) for c in number]
+    checksum = (
+        7 * (digits[0] + digits[3] + digits[6]) +
+        3 * (digits[1] + digits[4] + digits[7]) +
+        9 * (digits[2] + digits[5])
+    ) % 10
+    return str(checksum)
+
+
+def validate(number):
+    """Checks to see if the number provided is a valid routing number. This
+    checks the length and check digit."""
+    number = compact(number)
+    if not number.isdigit():
+        raise InvalidFormat()
+    if len(number) != 9:
+        raise InvalidLength()
+    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 RTN. This checks the
+     length and check digit."""
+    try:
+        return bool(validate(number))
+    except ValidationError:
+        return False

Shared/lib/python3.4/site-packages/stdnum/us/ssn.py

@@ -49,7 +49,8 @@ from stdnum.util import clean
 
 
 # regular expression for matching SSN
-_ssn_re = re.compile('^(?P<area>[0-9]{3})-?(?P<group>[0-9]{2})-?(?P<serial>[0-9]{4})$')
+_ssn_re = re.compile(
+    r'^(?P<area>[0-9]{3})-?(?P<group>[0-9]{2})-?(?P<serial>[0-9]{4})$')
 
 # blacklist of SSNs
 _ssn_blacklist = set(('078-05-1120', '457-55-5462', '219-09-9999'))