249 lines
8.4 KiB
Python
249 lines
8.4 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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"""Sugar activity bundles"""
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from ConfigParser import ConfigParser
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import locale
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import os
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import tempfile
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from sugar.bundle.bundle import Bundle, MalformedBundleException
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from sugar import activity
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from sugar import env
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_PYTHON_FACTORY='sugar-activity-factory'
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class ActivityBundle(Bundle):
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"""A Sugar activity bundle
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See http://wiki.laptop.org/go/Activity_bundles for details
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"""
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MIME_TYPE = 'application/vnd.olpc-sugar'
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DEPRECATED_MIME_TYPE = 'application/vnd.olpc-x-sugar'
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_zipped_extension = '.xo'
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_unzipped_extension = '.activity'
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_infodir = 'activity'
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def __init__(self, path):
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Bundle.__init__(self, path)
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self.activity_class = None
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self.bundle_exec = None
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self._name = None
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self._icon = None
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self._service_name = None
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self._mime_types = None
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self._show_launcher = True
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self._activity_version = 0
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info_file = self._get_file('activity/activity.info')
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if info_file is None:
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raise MalformedBundleException('No activity.info file')
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self._parse_info(info_file)
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linfo_file = self._get_linfo_file()
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if linfo_file:
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self._parse_linfo(linfo_file)
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def _parse_info(self, info_file):
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cp = ConfigParser()
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cp.readfp(info_file)
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section = 'Activity'
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if cp.has_option(section, 'service_name'):
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self._service_name = cp.get(section, 'service_name')
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else:
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raise MalformedBundleException(
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'Activity bundle %s does not specify a service name' %
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self._path)
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if cp.has_option(section, 'name'):
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self._name = cp.get(section, 'name')
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else:
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raise MalformedBundleException(
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'Activity bundle %s does not specify a name' % self._path)
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if cp.has_option(section, 'class'):
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self.activity_class = cp.get(section, 'class')
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elif cp.has_option(section, 'exec'):
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self.bundle_exec = cp.get(section, 'exec')
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else:
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raise MalformedBundleException(
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'Activity bundle %s must specify either class or exec' %
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self._path)
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if cp.has_option(section, 'mime_types'):
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mime_list = cp.get(section, 'mime_types')
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self._mime_types = mime_list.strip(';').split(';')
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if cp.has_option(section, 'show_launcher'):
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if cp.get(section, 'show_launcher') == 'no':
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self._show_launcher = False
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if cp.has_option(section, 'icon'):
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self._icon = cp.get(section, 'icon')
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if cp.has_option(section, 'activity_version'):
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version = cp.get(section, 'activity_version')
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try:
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self._activity_version = int(version)
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except ValueError:
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raise MalformedBundleException(
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'Activity bundle %s has invalid version number %s' %
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(self._path, version))
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def _get_linfo_file(self):
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lang = locale.getdefaultlocale()[0]
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if not lang:
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return None
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linfo_path = os.path.join('locale', lang, 'activity.linfo')
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linfo_file = self._get_file(linfo_path)
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if linfo_file is not None:
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return linfo_file
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linfo_path = os.path.join('locale', lang[:2], 'activity.linfo')
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linfo_file = self._get_file(linfo_path)
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if linfo_file is not None:
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return linfo_file
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return None
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def _parse_linfo(self, linfo_file):
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cp = ConfigParser()
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cp.readfp(linfo_file)
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section = 'Activity'
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if cp.has_option(section, 'name'):
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self._name = cp.get(section, 'name')
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def get_locale_path(self):
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"""Get the locale path inside the (installed) activity bundle."""
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if not self._unpacked:
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raise NotInstalledException
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return os.path.join(self._path, 'locale')
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def get_icons_path(self):
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"""Get the icons path inside the (installed) activity bundle."""
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if not self._unpacked:
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raise NotInstalledException
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return os.path.join(self._path, 'icons')
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def get_path(self):
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"""Get the activity bundle path."""
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return self._path
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def get_name(self):
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"""Get the activity user visible name."""
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return self._name
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def get_service_name(self):
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"""Get the activity service name"""
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return self._service_name
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# FIXME: this should return the icon data, not a filename, so that
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# we don't need to create a temp file in the zip case
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def get_icon(self):
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"""Get the activity icon name"""
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icon_path = os.path.join('activity', self._icon + '.svg')
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if self._unpacked:
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return os.path.join(self._path, icon_path)
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else:
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icon_data = self._get_file(icon_path).read()
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temp_file, temp_file_path = tempfile.mkstemp(self._icon)
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os.write(temp_file, icon_data)
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os.close(temp_file)
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return temp_file_path
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def get_activity_version(self):
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"""Get the activity version"""
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return self._activity_version
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def get_command(self):
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"""Get the command to execute to launch the activity factory"""
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if self.bundle_exec:
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command = os.path.join(self._path, self.bundle_exec)
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command = command.replace('$SUGAR_BUNDLE_PATH', self._path)
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command = os.path.expandvars(command)
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else:
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command = '%s --bundle-path="%s"' % (
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env.get_bin_path(_PYTHON_FACTORY), self._path)
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return command
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def get_mime_types(self):
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"""Get the MIME types supported by the activity"""
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return self._mime_types
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def get_show_launcher(self):
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"""Get whether there should be a visible launcher for the activity"""
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return self._show_launcher
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def is_installed(self):
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if activity.get_registry().get_activity(self._service_name):
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return True
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else:
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return False
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def install(self):
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if self.is_installed():
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raise AlreadyInstalledException
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install_dir = env.get_user_activities_path()
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self._unzip(install_dir)
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install_path = os.path.join(install_dir, self._zip_root_dir)
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if not activity.get_registry().add_bundle(install_path):
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raise RegistrationException
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xdg_data_home = os.getenv('XDG_DATA_HOME', os.path.expanduser('~/.local/share'))
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mime_path = os.path.join(install_path, 'activity', 'mimetypes.xml')
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if os.path.isfile(mime_path):
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mime_dir = os.path.join(xdg_data_home, 'mime')
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mime_pkg_dir = os.path.join(mime_dir, 'packages')
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if not os.path.isdir(mime_pkg_dir):
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os.makedirs(mime_pkg_dir)
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installed_mime_path = os.path.join(mime_pkg_dir, '%s.xml' % self._service_name)
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os.symlink(mime_path, installed_mime_path)
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os.spawnlp(os.P_WAIT, 'update-mime-database',
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'update-mime-database', mime_dir)
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icons_dir = os.path.join(install_path, 'activity', 'mime-icons')
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if os.path.isdir(icons_dir):
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installed_icons_dir = os.path.join(xdg_data_home, 'icons/sugar/scalable/mimetypes')
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if not os.path.isdir(installed_icons_dir):
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os.makedirs(installed_icons_dir)
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for file in os.listdir(icons_dir):
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if file.endswith('.svg') or file.endswith('.icon'):
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os.symlink(os.path.join(icons_dir, file),
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os.path.join(installed_icons_dir, file))
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def uninstall(self):
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if not self.is_installed():
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raise NotInstalledException
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self._uninstall()
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# FIXME: notify shell
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