This file is indexed.

/usr/lib/python2.7/dist-packages/cryptography/utils.py is in python-cryptography 0.6.1-1+deb8u1.

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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from __future__ import absolute_import, division, print_function

import sys


DeprecatedIn05 = DeprecationWarning
DeprecatedIn06 = PendingDeprecationWarning


def register_interface(iface):
    def register_decorator(klass):
        iface.register(klass)
        return klass
    return register_decorator


def bit_length(x):
    if sys.version_info >= (2, 7):
        return x.bit_length()
    else:
        return len(bin(x)) - (2 + (x <= 0))