The Tor Browser: config/expandlibs

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 # This Source Code Form is subject to the terms of the Mozilla Public

     2 # License, v. 2.0. If a copy of the MPL was not distributed with this

     3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

     5 '''Given a list of object files and library names, prints a library

     6 descriptor to standard output'''

     8 from __future__ import with_statement

     9 import sys

    10 import os

    11 import expandlibs_config as conf

    12 from expandlibs import LibDescriptor, isObject, ensureParentDir, ExpandLibsDeps

    13 from optparse import OptionParser

    15 def generate(args):

    16     desc = LibDescriptor()

    17     for arg in args:

    18         if isObject(arg):

    19             if os.path.exists(arg):

    20                 desc['OBJS'].append(os.path.abspath(arg))

    21             else:

    22                 raise Exception("File not found: %s" % arg)

    23         elif os.path.splitext(arg)[1] == conf.LIB_SUFFIX:

    24             if os.path.exists(arg) or os.path.exists(arg + conf.LIBS_DESC_SUFFIX):

    25                 desc['LIBS'].append(os.path.abspath(arg))

    26             else:

    27                 raise Exception("File not found: %s" % arg)

    28     return desc

    30 if __name__ == '__main__':

    31     parser = OptionParser()

    32     parser.add_option("--depend", dest="depend", metavar="FILE",

    33         help="generate dependencies for the given execution and store it in the given file")

    34     parser.add_option("-o", dest="output", metavar="FILE",

    35         help="send output to the given file")

    37     (options, args) = parser.parse_args()

    38     if not options.output:

    39         raise Exception("Missing option: -o")

    41     ensureParentDir(options.output)

    42     with open(options.output, 'w') as outfile:

    43         print >>outfile, generate(args)

    44     if options.depend:

    45         ensureParentDir(options.depend)

    46         with open(options.depend, 'w') as depfile:

    47             deps = ExpandLibsDeps(args)

    48             depfile.write("%s : %s\n" % (options.output, ' '.join(deps)))

    49             for dep in deps:

    50                 depfile.write("%s :\n" % dep)

The Tor Browser / file revision

config/expandlibs_gen.py@97036ab72558

config/expandlibs_gen.py