config/pythonpath.py

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

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 """
     6 Run a python script, adding extra directories to the python path.
     7 """
    10 def main(args):
    11     def usage():
    12         print >>sys.stderr, "pythonpath.py -I directory script.py [args...]"
    13         sys.exit(150)
    15     paths = []
    17     while True:
    18         try:
    19             arg = args[0]
    20         except IndexError:
    21             usage()
    23         if arg == '-I':
    24             args.pop(0)
    25             try:
    26                 path = args.pop(0)
    27             except IndexError:
    28                 usage()
    30             paths.append(os.path.abspath(path))
    31             continue
    33         if arg.startswith('-I'):
    34             paths.append(os.path.abspath(args.pop(0)[2:]))
    35             continue
    37         break
    39     script = args[0]
    41     sys.path[0:0] = [os.path.abspath(os.path.dirname(script))] + paths
    42     sys.argv = args
    43     sys.argc = len(args)
    45     frozenglobals['__name__'] = '__main__'
    46     frozenglobals['__file__'] = script
    48     execfile(script, frozenglobals)
    50 # Freeze scope here ... why this makes things work I have no idea ...
    51 frozenglobals = globals()
    53 import sys, os
    55 if __name__ == '__main__':
    56     main(sys.argv[1:])

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