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

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# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 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

# Author: Matt Giuca, Will Grant

"""
Temporary emulation layer for the old-style conf.py configuration file.
Loads the IVLE config file and provides all of the legacy config variables.

May raise a RuntimeError on import if it cannot find the config file.
"""

import os
import sys

import configobj

import ivle.config

try:
    conf = ivle.config.Config(plugins=False)
except ivle.config.ConfigError, e:
    raise ImportError(str(e))

# This dict maps legacy config option names to new config option paths
# ('section/option_name')
CONFIG_OPTIONS = {
    'root_dir': 'urls/root',
    'prefix': 'paths/prefix',
    'data_path': 'paths/data',
    'log_path': 'paths/logs',
    'python_site_packages_override': 'paths/site_packages',
    'public_host': 'urls/public_host',
    'db_host': 'database/host',
    'db_port': 'database/port',
    'db_dbname': 'database/name',
    'db_user': 'database/username',
    'db_password': 'database/password',
    'auth_modules': 'auth/modules',
    'ldap_url': 'auth/ldap_url',
    'ldap_format_string': 'auth/ldap_format_string',
    'subject_pulldown_modules': 'auth/subject_pulldown_modules',
    'svn_addr': 'urls/svn_addr',
    'usrmgt_host': 'usrmgt/host',
    'usrmgt_port': 'usrmgt/port',
    'usrmgt_magic': 'usrmgt/magic',
}

for legacyopt, newopt_path in CONFIG_OPTIONS.iteritems():
    # Iterate over each segment of the path, and find the value in conf file
    try:
        value = conf
        for seg in newopt_path.split('/'):
            value = value[seg]
        globals()[legacyopt] = value
    except KeyError:
        globals()[legacyopt] = None

# XXX Munge some nice shiny new-style values into horrible old-style values
# IRONY: These have just been split from commas. We need to re-join it so that
# pulldown_subj and auth_modules can re-split them.
subject_pulldown_modules = ','.join(subject_pulldown_modules)
auth_modules = ','.join(auth_modules)

# Additional auto-generated config options

# Path where architecture-dependent data (including non-user-executable
# binaries) is installed.
lib_path = os.path.join(prefix, 'lib/ivle')

# Path where arch-independent data is installed.
share_path = os.path.join(prefix, 'share/ivle')

# Path where user-executable binaries are installed.
bin_path = os.path.join(prefix, 'bin')

# 'site-packages' directory in Python, where Python libraries are to be
# installed.
if python_site_packages_override is None:
    PYTHON_VERSION = sys.version[0:3]   # eg. "2.5"
    python_site_packages = os.path.join(prefix,
                               'lib/python%s/site-packages' % PYTHON_VERSION)
else:
    python_site_packages = python_site_packages_override

# In the local file system, where the student/user jails will be mounted.
# Only a single copy of the jail's system components will be stored here -
# all user jails will be virtually mounted here.
jail_base = os.path.join(data_path, 'jailmounts')

# In the local file system, where are the student/user file spaces located.
# The user jails are expected to be located immediately in subdirectories of
# this location. Note that no complete jails reside here - only user
# modifications.
jail_src_base = os.path.join(data_path, 'jails')

# In the local file system, where the template system jail will be stored.
jail_system = os.path.join(jail_src_base, '__base__')

# In the local file system, where the template system jail will be stored.
jail_system_build = os.path.join(jail_src_base, '__base_build__')

# In the local file system, where the subject content files are located.
# (The 'subjects' and 'exercises' directories).
content_path = os.path.join(data_path, 'content')

# In the local file system, where are the per-subject file spaces located.
# The individual subject directories are expected to be located immediately
# in subdirectories of this location.
subjects_base = os.path.join(content_path, 'subjects')

# In the local file system, where are the subject-independent exercise sheet
# file spaces located.
exercises_base = os.path.join(content_path, 'exercises')

# In the local file system, where the system notices are stored (such as terms
# of service and MOTD).
notices_path = os.path.join(data_path, 'notices')

# In the local file system, where is the Terms of Service document located.
tos_path = os.path.join(notices_path, 'tos.html')

# In the local file system, where is the Message of the Day document
# located. This is an HTML file (just the body fragment), which will
# be displayed on the login page. It is optional.
motd_path = os.path.join(notices_path, 'motd.html')

# The location of all the subversion config and repositories.
svn_path = os.path.join(data_path, 'svn')

# The location of the subversion configuration file used by
# apache to host the user repositories.
svn_conf = os.path.join(svn_path, 'svn.conf')

# The location of the subversion configuration file used by
# apache to host the user repositories.
svn_group_conf = os.path.join(svn_path, 'svn-group.conf')

# The root directory for the subversion repositories.
svn_repo_path = os.path.join(svn_path, 'repositories')

# The location of the password file used to authenticate users
# of the subversion repository from the ivle server.
svn_auth_ivle = os.path.join(svn_path, 'ivle.auth')