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-rw-r--r--lib/python2.7/site-packages/django/utils/checksums.py24
1 files changed, 0 insertions, 24 deletions
diff --git a/lib/python2.7/site-packages/django/utils/checksums.py b/lib/python2.7/site-packages/django/utils/checksums.py
deleted file mode 100644
index 8617e22..0000000
--- a/lib/python2.7/site-packages/django/utils/checksums.py
+++ /dev/null
@@ -1,24 +0,0 @@
-"""
-Common checksum routines.
-"""
-
-__all__ = ['luhn',]
-
-from django.utils import six
-
-LUHN_ODD_LOOKUP = (0, 2, 4, 6, 8, 1, 3, 5, 7, 9) # sum_of_digits(index * 2)
-
-def luhn(candidate):
- """
- Checks a candidate number for validity according to the Luhn
- algorithm (used in validation of, for example, credit cards).
- Both numeric and string candidates are accepted.
- """
- if not isinstance(candidate, six.string_types):
- candidate = str(candidate)
- try:
- evens = sum([int(c) for c in candidate[-1::-2]])
- odds = sum([LUHN_ODD_LOOKUP[int(c)] for c in candidate[-2::-2]])
- return ((evens + odds) % 10 == 0)
- except ValueError: # Raised if an int conversion fails
- return False