This file is indexed.

/usr/share/boost-build/util/set.py is in libboost1.54-tools-dev 1.54.0-4ubuntu3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#  (C) Copyright David Abrahams 2001. Permission to copy, use, modify, sell and
#  distribute this software is granted provided this copyright notice appears in
#  all copies. This software is provided "as is" without express or implied
#  warranty, and with no claim as to its suitability for any purpose.

from utility import to_seq

def difference (b, a):
    """ Returns the elements of B that are not in A.
    """
    result = []
    for element in b:
        if not element in a:
            result.append (element)

    return result

def intersection (set1, set2):
    """ Removes from set1 any items which don't appear in set2 and returns the result.
    """
    result = []
    for v in set1:
        if v in set2:
            result.append (v)
    return result

def contains (small, large):
    """ Returns true iff all elements of 'small' exist in 'large'.
    """
    small = to_seq (small)
    large = to_seq (large)

    for s in small:
        if not s in large:
            return False
    return True

def equal (a, b):
    """ Returns True iff 'a' contains the same elements as 'b', irrespective of their order.
        # TODO: Python 2.4 has a proper set class.
    """
    return contains (a, b) and contains (b, a)