/usr/share/pyshared/sugar/bundle/bundle.py is in python-sugar-toolkit-0.88 0.88.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 | # Copyright (C) 2007, Red Hat, Inc.
#
# 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 bundle file handler
UNSTABLE.
"""
import os
import logging
import shutil
import StringIO
import zipfile
class AlreadyInstalledException(Exception):
pass
class NotInstalledException(Exception):
pass
class InvalidPathException(Exception):
pass
class ZipExtractException(Exception):
pass
class RegistrationException(Exception):
pass
class MalformedBundleException(Exception):
pass
class Bundle(object):
"""A Sugar activity, content module, etc.
The bundle itself may be either a zip file or a directory
hierarchy, with metadata about the bundle stored various files
inside it.
This is an abstract base class. See ActivityBundle and
ContentBundle for more details on those bundle types.
"""
_zipped_extension = None
_unzipped_extension = None
def __init__(self, path):
self._path = path
self._zip_root_dir = None
self._zip_file = None
if not os.path.isdir(self._path):
self._zip_file = zipfile.ZipFile(self._path)
self._check_zip_bundle()
# manifest = self._get_file(self._infodir + '/contents')
# if manifest is None:
# raise MalformedBundleException('No manifest file')
# signature = self._get_file(self._infodir + '/contents.sig')
# if signature is None:
# raise MalformedBundleException('No signature file')
def __del__(self):
if self._zip_file is not None:
self._zip_file.close()
def _check_zip_bundle(self):
file_names = self._zip_file.namelist()
if len(file_names) == 0:
raise MalformedBundleException('Empty zip file')
if file_names[0] == 'mimetype':
del file_names[0]
self._zip_root_dir = file_names[0].split('/')[0]
if self._zip_root_dir.startswith('.'):
raise MalformedBundleException(
'root directory starts with .')
if self._unzipped_extension is not None:
(name_, ext) = os.path.splitext(self._zip_root_dir)
if ext != self._unzipped_extension:
raise MalformedBundleException(
'All files in the bundle must be inside a single ' +
'directory whose name ends with "%s"' %
self._unzipped_extension)
for file_name in file_names:
if not file_name.startswith(self._zip_root_dir):
raise MalformedBundleException(
'All files in the bundle must be inside a single ' +
'top-level directory')
def get_file(self, filename):
f = None
if self._zip_file is None:
path = os.path.join(self._path, filename)
try:
f = open(path, "rb")
except IOError:
return None
else:
path = os.path.join(self._zip_root_dir, filename)
try:
data = self._zip_file.read(path)
f = StringIO.StringIO(data)
except KeyError:
logging.debug('%s not found.', filename)
return f
def is_file(self, filename):
if self._zip_file is None:
path = os.path.join(self._path, filename)
return os.path.isfile(path)
else:
path = os.path.join(self._zip_root_dir, filename)
try:
self._zip_file.getinfo(path)
except KeyError:
return False
return True
def is_dir(self, filename):
if self._zip_file is None:
path = os.path.join(self._path, filename)
return os.path.isdir(path)
else:
path = os.path.join(self._zip_root_dir, filename, "")
for f in self._zip_file.namelist():
if f.startswith(path):
return True
return False
def get_path(self):
"""Get the bundle path."""
return self._path
def _unzip(self, install_dir):
if self._zip_file is None:
raise AlreadyInstalledException
if not os.path.isdir(install_dir):
os.mkdir(install_dir, 0775)
# zipfile provides API that in theory would let us do this
# correctly by hand, but handling all the oddities of
# Windows/UNIX mappings, extension attributes, deprecated
# features, etc makes it impractical.
# FIXME: use manifest
if os.spawnlp(os.P_WAIT, 'unzip', 'unzip', '-o', self._path,
'-x', 'mimetype', '-d', install_dir):
# clean up install dir after failure
shutil.rmtree(os.path.join(install_dir, self._zip_root_dir),
ignore_errors=True)
# indicate failure.
raise ZipExtractException
def _zip(self, bundle_path):
if self._zip_file is not None:
raise NotInstalledException
raise NotImplementedError
def _uninstall(self, install_path):
if not os.path.isdir(install_path):
raise InvalidPathException
if self._unzipped_extension is not None:
(name_, ext) = os.path.splitext(install_path)
if ext != self._unzipped_extension:
raise InvalidPathException
for root, dirs, files in os.walk(install_path, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
path = os.path.join(root, name)
if os.path.islink(path):
os.remove(path)
else:
os.rmdir(path)
os.rmdir(install_path)
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