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# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2009 Aleksey Lim
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
"""Sugar content bundles
UNSTABLE.
"""
from ConfigParser import ConfigParser
import os
import urllib
from sugar import env
from sugar3.bundle.bundle import Bundle, NotInstalledException, \
MalformedBundleException
from sugar3.bundle.bundleversion import NormalizedVersion
from sugar3.bundle.bundleversion import InvalidVersionError
class ContentBundle(Bundle):
"""A Sugar content bundle
See http://wiki.laptop.org/go/Content_bundles for details
"""
MIME_TYPE = 'application/vnd.olpc-content'
_zipped_extension = '.xol'
_unzipped_extension = None
_infodir = 'library'
def __init__(self, path):
Bundle.__init__(self, path)
self._locale = None
self._l10n = None
self._category = None
self._name = None
self._subcategory = None
self._category_class = None
self._category_icon = None
self._library_version = '0'
self._bundle_class = None
self._activity_start = None
self._global_name = None
info_file = self.get_file('library/library.info')
if info_file is None:
raise MalformedBundleException('No library.info file')
self._parse_info(info_file)
if (self.get_file('index.html') is None and
self.get_file('library/library.xml') is None):
raise MalformedBundleException(
'Content bundle %s has neither index.html nor library.xml' %
self._path)
def _parse_info(self, info_file):
cp = ConfigParser()
cp.readfp(info_file)
section = 'Library'
if cp.has_option(section, 'name'):
self._name = cp.get(section, 'name')
else:
raise MalformedBundleException(
'Content bundle %s does not specify a name' % self._path)
if cp.has_option(section, 'library_version'):
version = cp.get(section, 'library_version')
try:
NormalizedVersion(version)
except InvalidVersionError:
raise MalformedBundleException(
'Content bundle %s has invalid version number %s' %
(self._path, version))
self._library_version = version
if cp.has_option(section, 'l10n'):
l10n = cp.get(section, 'l10n')
if l10n == 'true':
self._l10n = True
elif l10n == 'false':
self._l10n = False
else:
raise MalformedBundleException(
'Content bundle %s has invalid l10n key %r' %
(self._path, l10n))
else:
raise MalformedBundleException(
'Content bundle %s does not specify if it is localized' %
self._path)
if cp.has_option(section, 'locale'):
self._locale = cp.get(section, 'locale')
else:
raise MalformedBundleException(
'Content bundle %s does not specify a locale' % self._path)
if cp.has_option(section, 'category'):
self._category = cp.get(section, 'category')
else:
raise MalformedBundleException(
'Content bundle %s does not specify a category' % self._path)
if cp.has_option(section, 'global_name'):
self._global_name = cp.get(section, 'global_name')
else:
self._global_name = None
if cp.has_option(section, 'category_icon'):
self._category_icon = cp.get(section, 'category_icon')
else:
self._category_icon = None
if cp.has_option(section, 'category_class'):
self._category_class = cp.get(section, 'category_class')
else:
self._category_class = None
if cp.has_option(section, 'subcategory'):
self._subcategory = cp.get(section, 'subcategory')
else:
self._subcategory = None
if cp.has_option(section, 'bundle_class'):
self._bundle_class = cp.get(section, 'bundle_class')
else:
self._bundle_class = None
if cp.has_option(section, 'activity_start'):
self._activity_start = cp.get(section, 'activity_start')
else:
self._activity_start = 'index.html'
if self._bundle_class is None and self._global_name is None:
raise MalformedBundleException(
'Content bundle %s must specify either global_name or '
'bundle_class' % self._path)
def get_name(self):
return self._name
def get_library_version(self):
return self._library_version
def get_l10n(self):
return self._l10n
def get_locale(self):
return self._locale
def get_category(self):
return self._category
def get_category_icon(self):
return self._category_icon
def get_category_class(self):
return self._category_class
def get_subcategory(self):
return self._subcategory
def get_bundle_class(self):
return self._bundle_class
def get_activity_start(self):
return self._activity_start
def _run_indexer(self):
xdg_data_dirs = os.getenv('XDG_DATA_DIRS',
'/usr/local/share/:/usr/share/')
for path in xdg_data_dirs.split(':'):
indexer = os.path.join(path, 'library-common', 'make_index.py')
if os.path.exists(indexer):
os.spawnlp(os.P_WAIT, 'python', 'python', indexer)
def get_root_dir(self):
return os.path.join(env.get_user_library_path(), self._zip_root_dir)
def get_start_path(self):
return os.path.join(self.get_root_dir(), self._activity_start)
def get_start_uri(self):
return 'file://' + urllib.pathname2url(self.get_start_path())
def get_bundle_id(self):
# TODO treat ContentBundle in special way
# needs rethinking while fixing ContentBundle support
if self._bundle_class is not None:
return self._bundle_class
else:
return self._global_name
def get_activity_version(self):
# TODO treat ContentBundle in special way
# needs rethinking while fixing ContentBundle support
return self._library_version
def is_installed(self):
if self._zip_file is None:
return True
elif os.path.isdir(self.get_root_dir()):
return ContentBundle(self.get_root_dir()).get_library_version() \
== self.get_library_version()
else:
return False
def install(self):
# TODO ignore passed install_path argument
# needs rethinking while fixing ContentBundle support
install_path = env.get_user_library_path()
self._unzip(install_path)
self._run_indexer()
return self.get_root_dir()
def uninstall(self):
if self._zip_file is None:
if not self.is_installed():
raise NotInstalledException
install_dir = self._path
else:
install_dir = os.path.join(self.get_root_dir())
self._uninstall(install_dir)
self._run_indexer()
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