~azzar1/unity/add-show-desktop-key

# IVLE - Informatics Virtual Learning Environment

# Copyright (C) 2007-2008 The University of Melbourne

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

# Module: setup/install

# Author: Matt Giuca, Refactored by David Coles

# Date:   03/07/2008

import optparse

import os

import sys

import functools

import distutils.sysconfig

from setup import util

def install(args):

    usage = """usage: %prog install [options]

(Requires root)

Create target install directory ($target).

Create $target/bin.

Copy bin/trampoline/trampoline to $target/bin.

Copy bin/timount/timount to $target/bin.

chown and chmod the installed trampoline.

"""

    # Parse arguments

    parser = optparse.OptionParser(usage)

    parser.add_option("-n", "--dry",

        action="store_true", dest="dry",

        help="Print out the actions but don't do anything.")

    parser.add_option("-R", "--nosvnrevno",

        action="store_true", dest="nosvnrevno",

        help="Don't write out the Subversion revision to the share directory.")

    parser.add_option("--root",

        action="store", dest="rootdir",

        help="Install into a different root directory.",

        default='/')

    parser.add_option("--prefix",

        action="store", dest="prefix",

        help="Base prefix to install IVLE into (default: /usr/local).",

        default='/usr/local')

    parser.add_option("--python-site-packages",

        action="store", dest="python_site_packages",

        help="Path to Python site packages directory.",

        default=None)

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

    # Prefix must be absolute (not really necessary, but since a relative

    # prefix will be taken relative to *root* not working directory, it is

    # confusing if we allow it).

    if options.prefix[:1] not in (os.path.sep, os.path.altsep):

        print >>sys.stderr, """prefix must be an absolute path.

    (This will be interpreted relative to root, so provide --root=. if you

    want a path relative to the working directory)."""

        return 1

    # Calculate python_site_packages using the supplied prefix

    if options.python_site_packages is None:

        options.python_site_packages = distutils.sysconfig.get_python_lib(

            prefix=options.prefix)

    # Call the real function

    return __install(prefix=options.prefix,

                     python_site_packages=options.python_site_packages,

                     dry=options.dry, rootdir=options.rootdir,

                     nosvnrevno=options.nosvnrevno)

def __install(prefix, python_site_packages, dry=False, rootdir=None,

              nosvnrevno=False):

    install_list = util.InstallList()

    # We need to apply make_install_path with the rootdir to an awful lot of

    # config variables, so make it easy:

    mip = functools.partial(util.make_install_path, rootdir)

    # Compute the lib_path, share_path and bin_path (copied from

    # ivle/conf/conf.py).

    lib_path = mip(os.path.join(prefix, 'lib/ivle'))

    share_path = mip(os.path.join(prefix, 'share/ivle'))

    bin_path = mip(os.path.join(prefix, 'bin'))

    python_site_packages = mip(python_site_packages)

    # Must be run as root or a dry run  

    if dry:

        print "Dry run (no actions will be executed)\n"

    if not dry and os.geteuid() != 0:

        print >>sys.stderr, "Must be root to run install"

        return 1

    # Create the config directory.

    util.action_mkdir(mip('/etc/ivle/plugins.d'), dry)

    # Create lib and copy the compiled files there

    util.action_mkdir(lib_path, dry)

    tramppath = os.path.join(lib_path, 'trampoline')

    util.action_copyfile('bin/trampoline/trampoline', tramppath, dry)

    # chown trampoline to root and set setuid bit

    util.action_chown_setuid(tramppath, dry)

    timountpath = os.path.join(lib_path, 'timount')

    util.action_copyfile('bin/timount/timount', timountpath, dry)

    # Copy in the services (only usrmgt-server is needed on the host, but

    # the jail build requires the rest).

    util.action_copylist(install_list.list_services, share_path, dry)

    usrmgtpath = os.path.join(share_path, 'services/usrmgt-server')

    util.action_chmod_x(usrmgtpath, dry)

    # Copy the user-executable binaries using the list.

    util.action_copylist(install_list.list_user_binaries, bin_path, dry,

                         onlybasename=True)

    # Copy the lib directory (using the list)

    util.action_copylist(install_list.list_ivle_lib, python_site_packages, dry)

    if not nosvnrevno:

        # Create the ivle working revision record file

        ivle_revision_file = os.path.join(share_path, 'revision.txt')

        if not dry:

            try:

                conf = open(ivle_revision_file, "w")

                conf.write("""# SVN revision r%s

# Source tree location: %s

# Modified files:

""" % (util.get_svn_revision(), os.getcwd()))

                conf.close()

            except IOError, (errno, strerror):

                print "IO error(%s): %s" % (errno, strerror)

                sys.exit(1)

            os.system("svn status . >> %s" % ivle_revision_file)

        print "Wrote IVLE code revision status to %s" % ivle_revision_file

    return 0