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322 lines
11 KiB
Python
322 lines
11 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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"""Metadata description of a given application/activity"""
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import logging
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import locale
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import os
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import zipfile
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from ConfigParser import ConfigParser
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import StringIO
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import tempfile
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import dbus
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from sugar import env
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from sugar import activity
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_PYTHON_FACTORY='sugar-activity-factory'
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_DBUS_SHELL_SERVICE = "org.laptop.Shell"
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_DBUS_SHELL_PATH = "/org/laptop/Shell"
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_DBUS_ACTIVITY_REGISTRY_IFACE = "org.laptop.Shell.ActivityRegistry"
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class AlreadyInstalledException(Exception): pass
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class NotInstalledException(Exception): pass
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class InvalidPathException(Exception): pass
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class ZipExtractException(Exception): pass
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class RegistrationException(Exception): pass
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class MalformedBundleException(Exception): pass
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class Bundle:
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"""Metadata description of a given application/activity
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The metadata is normally read from an activity.info file,
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which is an INI-style configuration file read using the
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standard Python ConfigParser module.
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The format reference for the Bundle definition files is
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available for further reference:
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http://wiki.laptop.org/go/Activity_bundles
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"""
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def __init__(self, path):
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self._init_with_path(path)
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def _init_with_path(self, path):
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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._valid = True
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self._path = path
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self._activity_version = 0
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info_file = self._get_info_file()
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if info_file:
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self._parse_info(info_file)
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else:
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self._valid = False
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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 _get_info_file(self):
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info_file = None
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if os.path.isdir(self._path):
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info_path = os.path.join(self._path, 'activity', 'activity.info')
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if os.path.isfile(info_path):
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info_file = open(info_path)
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else:
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zip_file = zipfile.ZipFile(self._path)
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file_names = zip_file.namelist()
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root_dir = self._get_bundle_root_dir(file_names)
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info_path = os.path.join(root_dir, 'activity', 'activity.info')
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if info_path in file_names:
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info_data = zip_file.read(info_path)
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info_file = StringIO.StringIO(info_data)
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zip_file.close()
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return info_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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self._valid = False
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logging.error('%s must specify a service name' % 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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self._valid = False
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logging.error('%s must specify a name' % self._path)
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if cp.has_option(section, 'class'):
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self._class = cp.get(section, 'class')
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self._exec = '%s --bundle-path="%s"' % (
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env.get_bin_path(_PYTHON_FACTORY), self._path)
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elif cp.has_option(section, 'exec'):
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self._class = None
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cmdline = cp.get(section, 'exec')
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cmdline = os.path.join(self._path, cmdline)
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cmdline = cmdline.replace('$SUGAR_BUNDLE_PATH', self._path)
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cmdline = os.path.expandvars(cmdline)
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self._exec = cmdline
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else:
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self._exec = None
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self._valid = False
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logging.error('%s must specify exec or class' % 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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self._valid = False
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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_linfo_file(self):
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linfo_file = None
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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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if os.path.isdir(self._path):
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linfo_path = os.path.join(self.get_locale_path(), lang, 'activity.linfo')
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if not os.path.isfile(linfo_path):
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linfo_path = os.path.join(self.get_locale_path(), lang[:2], 'activity.linfo')
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if os.path.isfile(linfo_path):
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linfo_file = open(linfo_path)
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else:
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zip_file = zipfile.ZipFile(self._path)
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file_names = zip_file.namelist()
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root_dir = self._get_bundle_root_dir(file_names)
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linfo_path = os.path.join(root_dir, 'locale', lang, 'activity.linfo')
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if not linfo_path in file_names:
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linfo_path = os.path.join(root_dir, 'locale', lang[:2], 'activity.linfo')
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if linfo_path in zip_file.namelist():
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linfo_data = zip_file.read(linfo_path)
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linfo_file = StringIO.StringIO(linfo_data)
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zip_file.close()
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return linfo_file
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def is_valid(self):
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return self._valid
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def get_locale_path(self):
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"""Get the locale path inside the activity bundle."""
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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 activity bundle."""
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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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def get_icon(self):
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"""Get the activity icon name"""
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if os.path.isdir(self._path):
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activity_path = os.path.join(self._path, 'activity')
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return os.path.join(activity_path, self._icon + '.svg')
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else:
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zip_file = zipfile.ZipFile(self._path)
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file_names = zip_file.namelist()
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root_dir = self._get_bundle_root_dir(file_names)
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icon_path = os.path.join(root_dir, 'activity', self._icon + '.svg')
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print icon_path
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print file_names
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if icon_path in file_names:
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icon_data = zip_file.read(icon_path)
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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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else:
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return None
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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_exec(self):
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"""Get the command to execute to launch the activity factory"""
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return self._exec
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def get_class(self):
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"""Get the main Activity class"""
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return self._class
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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 self._valid and 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 _get_bundle_root_dir(self, file_names):
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"""
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We check here that all the files in the .xo are inside one only dir
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(bundle_root_dir).
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"""
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bundle_root_dir = None
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for file_name in file_names:
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if not bundle_root_dir:
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bundle_root_dir = file_name.split('/')[0]
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if not bundle_root_dir.endswith('.activity'):
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raise MalformedBundleException(
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'The activity directory name must end with .activity')
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else:
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if not file_name.startswith(bundle_root_dir):
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raise MalformedBundleException(
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'All files in the bundle must be inside the activity directory')
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return bundle_root_dir
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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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ext = os.path.splitext(self._path)[1]
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if not os.path.isfile(self._path):
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raise InvalidPathException
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bundle_dir = env.get_user_activities_path()
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if not os.path.isdir(bundle_dir):
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os.mkdir(bundle_dir)
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zip_file = zipfile.ZipFile(self._path)
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file_names = zip_file.namelist()
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bundle_root_dir = self._get_bundle_root_dir(file_names)
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bundle_path = os.path.join(bundle_dir, bundle_root_dir)
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if os.spawnlp(os.P_WAIT, 'unzip', 'unzip', self._path, '-d', bundle_dir):
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raise ZipExtractException
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self._init_with_path(bundle_path)
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if not activity.get_registry().add_bundle(bundle_path):
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raise RegistrationException
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def deinstall(self):
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if not self.is_installed():
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raise NotInstalledException
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ext = os.path.splitext(self._path)[1]
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if not os.path.isfile(self._path) or ext != '.activity':
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raise InvalidPathException
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for root, dirs, files in os.walk(self._path, topdown=False):
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for name in files:
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os.remove(os.path.join(root, name))
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for name in dirs:
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os.rmdir(os.path.join(root, name))
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os.rmdir(self._path)
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self._init_with_path(None)
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# TODO: notify shell
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