def __unicode__(self):
if hasattr(SafeException, '__unicode__'):
# Python >= 2.6
if self.feed_url:
return _('%s [%s]') % (SafeException.__unicode__(self), self.feed_url)
return SafeException.__unicode__(self)
else:
return support.unicode(SafeException.__str__(self))
def __init__(self, message, ex = None):
if ex:
try:
message += "\n\n(exact error: %s)" % ex
except:
# Some Python messages have type str but contain UTF-8 sequences.
# (e.g. IOException). Adding these to a Unicode 'message' (e.g.
# after gettext translation) will cause an error.
import codecs
decoder = codecs.lookup('utf-8')
decex = decoder.decode(str(ex), errors = 'replace')[0]
message += "\n\n(exact error: %s)" % decex
SafeException.__init__(self, message)
def get_feed_targets(self, feed):
"""Return a list of Interfaces for which feed can be a feed.
This is used by B{0install add-feed}.
@param feed: the feed
@type feed: L{model.ZeroInstallFeed} (or, deprecated, a URL)
@rtype: [model.Interface]
@raise SafeException: If there are no known feeds.
@since: 0.53"""
if not isinstance(feed, model.ZeroInstallFeed):
# (deprecated)
feed = self.get_feed(feed)
if feed is None:
raise SafeException(
"Feed is not cached and using deprecated API")
if not feed.feed_for:
raise SafeException(
_("Missing <feed-for> element in '%s'; "
"it can't be used as a feed for any other interface.") %
feed.url)
feed_targets = feed.feed_for
logger.debug(_("Feed targets: %s"), feed_targets)
return [self.get_interface(uri) for uri in feed_targets]
def sign_xml(config, source_xml):
child = subprocess.Popen(['gpg', '--detach-sign', '--default-key', config.GPG_SIGNING_KEY, '--use-agent', '--output', '-', '-'],
stdin = subprocess.PIPE,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE)
stdout, stderr = child.communicate(source_xml)
exit_status = child.wait()
if exit_status:
raise SafeException("Error signing feed: %s" % stderr)
if stderr:
print(stderr, file=sys.stderr)
encoded = base64.encodestring(stdout)
sig = "<!-- Base64 Signature\n" + encoded + "\n-->\n"
return source_xml + sig
def get_size(url):
print("Checking {url}... ".format(url=url), end='')
try:
scheme = urlparse.urlparse(url)[0].lower()
if scheme.startswith('http') or scheme.startswith('https'):
size = get_http_size(url)
elif scheme.startswith('ftp'):
size = get_ftp_size(url)
else:
raise SafeException("Unknown scheme '%s' in '%s'" % (scheme, url))
except:
print("ERROR")
raise
print(size, "bytes")
return size
def run():
keys_downloaded = tasks.Task(
pending.download_keys(config.fetcher), "download keys")
yield keys_downloaded.finished
tasks.check(keys_downloaded.finished)
if not config.iface_cache.update_feed_if_trusted(
uri, pending.sigs, pending.new_xml):
blocker = config.trust_mgr.confirm_keys(pending)
if blocker:
yield blocker
tasks.check(blocker)
if not config.iface_cache.update_feed_if_trusted(
uri, pending.sigs, pending.new_xml):
raise SafeException(
_("No signing keys trusted; not importing"))
def extract_deb(stream, destdir, extract = None, start_offset = 0):
if extract:
raise SafeException(_('Sorry, but the "extract" attribute is not yet supported for Debs'))
stream.seek(start_offset)
# ar can't read from stdin, so make a copy...
deb_copy_name = os.path.join(destdir, 'archive.deb')
deb_copy = open(deb_copy_name, 'w')
shutil.copyfileobj(stream, deb_copy)
deb_copy.close()
data_tar = None
p = subprocess.Popen(('ar', 't', 'archive.deb'), stdout=subprocess.PIPE, cwd=destdir, universal_newlines=True)
o = p.communicate()[0]
for line in o.split('\n'):
if line == 'data.tar':
data_compression = None
elif line == 'data.tar.gz':
data_compression = 'gzip'
elif line == 'data.tar.bz2':
data_compression = 'bzip2'
elif line == 'data.tar.lzma':
data_compression = 'lzma'
else:
continue
data_tar = line
break
else:
raise SafeException(_("File is not a Debian package."))
_extract(stream, destdir, ('ar', 'x', 'archive.deb', data_tar))
os.unlink(deb_copy_name)
data_name = os.path.join(destdir, data_tar)
data_stream = open(data_name)
os.unlink(data_name)
extract_tar(data_stream, destdir, None, data_compression)
def lookup(uri, missing_ok = False):
"""Search repositories.json for the repository which hosts 'uri'."""
path = basedir.load_first_config('0install.net', '0repo', 'repositories.json')
if path:
with open(path, 'rb') as stream:
db = json.load(stream)
else:
db = {}
from_registry = None
for key, value in list(db.items()):
if uri.startswith(key):
if from_registry:
raise SafeException("Multiple matching repositories! {a} and {b}".format(
a = from_registry, b = value))
from_registry = value
if not from_registry:
if missing_ok:
return None
else:
raise SafeException("No registered repository for {uri} (hint: use '0repo register')".format(uri = uri))
return from_registry
def parse(value):
v = float(value[:-1])
unit = value[-1]
if unit == 's':
return int(v)
v *= 60
if unit == 'm':
return int(v)
v *= 60
if unit == 'h':
return int(v)
v *= 24
if unit == 'd':
return int(v)
raise SafeException(_('Unknown unit "%s" - use e.g. 5d for 5 days') % unit)
def handle(config, options, args):
if len(args) == 2:
iface = config.iface_cache.get_interface(model.canonical_iface_uri(args[0]))
feed_url = args[1]
feed_import = add_feed.find_feed_import(iface, feed_url)
if not feed_import:
raise SafeException(_('Interface %(interface)s has no feed %(feed)s') %
{'interface': iface.uri, 'feed': feed_url})
iface.extra_feeds.remove(feed_import)
writer.save_interface(iface)
elif len(args) == 1:
add_feed.handle(config, options, args, add_ok = False, remove_ok = True)
else:
raise UsageError()
def get_implementation(self, interface):
"""Get the chosen implementation.
@type interface: Interface
@rtype: L{model.Implementation}
@raise SafeException: if interface has not been fetched or no implementation could be
chosen."""
assert isinstance(interface, Interface)
if not interface.name and not interface.feeds:
raise SafeException(_("We don't have enough information to "
"run this program yet. "
"Need to download:\n%s") % interface.uri)
try:
return self.implementation[interface]
except KeyError, ex:
if interface.implementations:
offline = ""
if self.network_use == network_offline:
raise SafeException(_("No usable implementation found for '%s'.\n"
"This may be because 'Network Use' is set to Off-line.") %
interface.name)
raise SafeException(_("No usable implementation found for '%s'.") %
interface.name)
raise ex
def handle(config, options, args):
if len(args) == 1:
extract = None
elif len(args) == 2:
extract = args[1]
else:
raise UsageError()
source = args[0]
alg = manifest.algorithms.get(options.algorithm or 'sha1new', None)
if alg is None:
raise SafeException(_('Unknown algorithm "%s"') % alg)
def do_manifest(d):
if extract is not None:
d = os.path.join(d, extract)
digest = alg.new_digest()
for line in alg.generate_manifest(d):
digest.update(line + '\n')
print(alg.getID(digest))
if os.path.isdir(source):
if extract is not None:
raise SafeException("Can't use extract with a directory")
do_manifest(source)
else:
data = None
tmpdir = tempfile.mkdtemp()
try:
data = open(args[0], 'rb')
unpack.unpack_archive(source, data, tmpdir, extract)
do_manifest(tmpdir)
finally:
support.ro_rmtree(tmpdir)
if data:
data.close()
def extract_cab(stream, destdir, extract, start_offset=0):
"@since: 0.24"
if extract:
raise SafeException(
_('Sorry, but the "extract" attribute is not yet supported for Cabinet files'
))
stream.seek(start_offset)
# cabextract can't read from stdin, so make a copy...
cab_copy_name = os.path.join(destdir, 'archive.cab')
cab_copy = file(cab_copy_name, 'w')
shutil.copyfileobj(stream, cab_copy)
cab_copy.close()
_extract(stream, destdir, ['cabextract', '-s', '-q', 'archive.cab'])
os.unlink(cab_copy_name)
def create_app(self, name, requirements):
validate_name(name)
apps_dir = basedir.save_config_path(namespaces.config_site, "apps")
app_dir = os.path.join(apps_dir, name)
if os.path.isdir(app_dir):
raise SafeException(
_("Application '{name}' already exists: {path}").format(
name=name, path=app_dir))
os.mkdir(app_dir)
app = App(self.config, app_dir)
app.set_requirements(requirements)
app.set_last_checked()
return app
def handle_invoke(config, options, ticket, request):
try:
command = request[0]
logger.debug("Got request '%s'", command)
if command == 'get-selections-gui':
response = do_get_selections_gui(config, request[1:])
elif command == 'wait-for-network':
response = do_wait_for_network(config)
elif command == 'download-selections':
l = stdin.readline().strip()
xml = qdom.parse(BytesIO(stdin.read(int(l))))
blocker = do_download_selections(config, options, request[1:], xml)
reply_when_done(ticket, blocker)
return #async
elif command == 'get-package-impls':
l = stdin.readline().strip()
xml = qdom.parse(BytesIO(stdin.read(int(l))))
response = do_get_package_impls(config, options, request[1:], xml)
elif command == 'is-distro-package-installed':
l = stdin.readline().strip()
xml = qdom.parse(BytesIO(stdin.read(int(l))))
response = do_is_distro_package_installed(config, options, xml)
elif command == 'get-distro-candidates':
l = stdin.readline().strip()
xml = qdom.parse(BytesIO(stdin.read(int(l))))
blocker = do_get_distro_candidates(config, request[1:], xml)
reply_when_done(ticket, blocker)
return # async
elif command == 'download-and-import-feed':
blocker = do_download_and_import_feed(config, request[1:])
reply_when_done(ticket, blocker)
return # async
elif command == 'notify-user':
response = do_notify_user(config, request[1])
else:
raise SafeException("Internal error: unknown command '%s'" %
command)
response = ['ok', response]
except SafeException as ex:
logger.info("Replying with error: %s", ex)
response = ['error', str(ex)]
except Exception as ex:
import traceback
logger.info("Replying with error: %s", ex)
response = ['error', traceback.format_exc().strip()]
send_json(["return", ticket, response])
def do_gui(args):
"gui [--no-prompt] [SOURCE-URI]"
if args and args[0] == '--no-prompt':
del args[0]
# This option no longer has any effect, since it is the default.
# However, old versions of 0launch's GUI pass it (< 0.52)
from zeroinstall.gtkui import pygtkcompat
pygtkcompat.enable()
pygtkcompat.enable_gtk(version='3.0')
import gui_support
import gtk
try:
if len(args) == 0:
pass
elif len(args) == 1:
import setup
def get_dir_callback(default_dir):
compile_dir = gui_support.choose_dir(
_('Create build directory'), default_dir)
if compile_dir:
return compile_dir
raise SafeException("Cancelled at user's request")
setup.do_setup(args, get_dir_callback)
else:
raise SafeException("usage: 0compile gui URI")
buildenv = BuildEnv()
box = gui_support.CompileBox(buildenv.interface)
box.connect('destroy', lambda b: gtk.main_quit())
box.show()
gtk.main()
except KeyboardInterrupt:
pass
except SafeException as ex:
gui_support.alert(None, '%s' % ex)
sys.exit(1)
except Exception as ex:
import traceback
traceback.print_exc()
gui_support.alert(None, '%s: %s' % (ex.__class__, ex))
sys.exit(1)
def recurse(sub):
# To ensure that a line-by-line comparison of the manifests
# is possible, we require that filenames don't contain newlines.
# Otherwise, you can name a file so that the part after the \n
# would be interpreted as another line in the manifest.
if '\n' in sub: raise BadDigest("Newline in filename '%s'" % sub)
assert sub.startswith('/')
if sub == '/.manifest': return
full = os.path.join(root, sub[1:].replace('/', os.sep))
info = os.lstat(full)
m = info.st_mode
if stat.S_ISDIR(m):
if sub != '/':
yield "D %s %s" % (int(info.st_mtime), sub)
items = os.listdir(full)
items.sort()
subdir = sub
if not subdir.endswith('/'):
subdir += '/'
for x in items:
for y in recurse(subdir + x):
yield y
return
assert sub[1:]
leaf = os.path.basename(sub[1:])
if stat.S_ISREG(m):
d = sha1_new(open(full).read()).hexdigest()
if m & 0o111:
yield "X %s %s %s %s" % (d, int(
info.st_mtime), info.st_size, leaf)
else:
yield "F %s %s %s %s" % (d, int(
info.st_mtime), info.st_size, leaf)
elif stat.S_ISLNK(m):
target = os.readlink(full)
d = sha1_new(target).hexdigest()
# Note: Can't use utime on symlinks, so skip mtime
# Note: eCryptfs may report length as zero, so count ourselves instead
yield "S %s %s %s" % (d, len(target), leaf)
else:
raise SafeException(
_("Unknown object '%s' (not a file, directory or symlink)")
% full)
def do_audit(args):
"""audit [DIRECTORY]"""
if len(args) == 0:
audit_stores = stores.stores
else:
audit_stores = [zerostore.Store(x) for x in args]
audit_ls = []
total = 0
for a in audit_stores:
if os.path.isdir(a.dir):
items = sorted(os.listdir(a.dir))
audit_ls.append((a.dir, items))
total += len(items)
elif len(args):
raise SafeException(_("No such directory '%s'") % a.dir)
verified = 0
failures = []
i = 0
for root, impls in audit_ls:
print _("Scanning %s") % root
for required_digest in impls:
i += 1
path = os.path.join(root, required_digest)
if '=' not in required_digest:
print _("Skipping non-implementation directory %s") % path
continue
try:
msg = _("[%(done)d / %(total)d] Verifying %(digest)s") % {
'done': i,
'total': total,
'digest': required_digest
}
print msg,
sys.stdout.flush()
verify(path, required_digest)
print "\r" + (" " * len(msg)) + "\r",
verified += 1
except zerostore.BadDigest, ex:
print
failures.append(path)
print str(ex)
if ex.detail:
print
print ex.detail
def solve_and_download_impls(self, refresh = False):
"""Run L{solve_with_downloads} and then get the selected implementations too.
@raise SafeException: if we couldn't select a set of implementations
@since: 0.40"""
refreshed = self.solve_with_downloads(refresh)
if refreshed:
yield refreshed
tasks.check(refreshed)
if not self.solver.ready:
raise SafeException(_("Can't find all required implementations:") + '\n' +
'\n'.join(["- %s -> %s" % (iface, self.solver.selections[iface])
for iface in self.solver.selections]))
downloaded = self.download_uncached_implementations()
if downloaded:
yield downloaded
tasks.check(downloaded)
def ensure_no_uncommitted_changes(path):
child = subprocess.Popen(
["git", "diff", "--exit-code", "HEAD", "--",
abspath(path)],
cwd=dirname(path),
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
stdout, unused = child.communicate()
if child.returncode == 0:
return
raise SafeException('Uncommitted changes in {feed}!\n'
'In the feeds directory, use:\n\n'
'"git commit -a" to commit them, or\n'
'"git stash" to discard.\n\n'
'Changes are:\n{changes}'.format(feed=path,
changes=stdout))
def confirm_trust_keys(self, interface, sigs, iface_xml):
"""We don't trust any of the signatures yet. Ask the user.
When done update the L{trust} database, and then call L{trust.TrustDB.notify}.
@deprecated: see L{confirm_keys}
@arg interface: the interface being updated
@arg sigs: a list of signatures (from L{gpg.check_stream})
@arg iface_xml: the downloaded data (not yet trusted)
@return: a blocker, if confirmation will happen asynchronously, or None
@rtype: L{tasks.Blocker}"""
import warnings
warnings.warn(_("Use confirm_keys, not confirm_trust_keys"),
DeprecationWarning,
stacklevel=2)
from zeroinstall.injector import trust, gpg
assert sigs
valid_sigs = [s for s in sigs if isinstance(s, gpg.ValidSig)]
if not valid_sigs:
raise SafeException(
'No valid signatures found on "%s". Signatures:%s' %
(interface.uri, ''.join(['\n- ' + str(s) for s in sigs])))
domain = trust.domain_from_url(interface.uri)
# Ask on stderr, because we may be writing XML to stdout
print >> sys.stderr, "\nInterface:", interface.uri
print >> sys.stderr, "The interface is correctly signed with the following keys:"
for x in valid_sigs:
print >> sys.stderr, "-", x
if len(valid_sigs) == 1:
print >> sys.stderr, "Do you want to trust this key to sign feeds from '%s'?" % domain
else:
print >> sys.stderr, "Do you want to trust all of these keys to sign feeds from '%s'?" % domain
while True:
print >> sys.stderr, "Trust [Y/N] ",
i = raw_input()
if not i: continue
if i in 'Nn':
raise NoTrustedKeys(_('Not signed with a trusted key'))
if i in 'Yy':
break
for key in valid_sigs:
print >> sys.stderr, "Trusting", key.fingerprint, "for", domain
trust.trust_db.trust_key(key.fingerprint, domain)
trust.trust_db.notify()
def parse_update_options(self, options):
"""Update the settings based on the options (used for "0install update APP").
@return: whether any settings were changed
@rtype: bool
@since: 1.9"""
changed = False
for key in ['not_before', 'before', 'message', 'cpu', 'os', 'command']:
value = getattr(options, key)
if value is not None:
changed = changed or value != getattr(self, key)
setattr(self, key, value)
if options.source and not self.source:
# (partly because it doesn't make much sense, and partly because you
# can't undo it, as there's no --not-source option)
from zeroinstall import SafeException
raise SafeException("Can't update from binary to source type!")
return changed
def recurse(sub):
# To ensure that a line-by-line comparison of the manifests
# is possible, we require that filenames don't contain newlines.
# Otherwise, you can name a file so that the part after the \n
# would be interpreted as another line in the manifest.
if '\n' in sub: raise BadDigest(_("Newline in filename '%s'") % sub)
assert sub.startswith('/')
full = os.path.join(root, sub[1:])
info = os.lstat(full)
new_digest = self.new_digest
m = info.st_mode
if not stat.S_ISDIR(m): raise Exception(_('Not a directory: "%s"') % full)
if sub != '/':
yield "D %s" % sub
items = os.listdir(full)
items.sort()
dirs = []
for leaf in items:
path = os.path.join(root, sub[1:], leaf)
info = os.lstat(path)
m = info.st_mode
if stat.S_ISREG(m):
if leaf == '.manifest': continue
d = new_digest(file(path).read()).hexdigest()
if m & 0111:
yield "X %s %s %s %s" % (d, int(info.st_mtime), info.st_size, leaf)
else:
yield "F %s %s %s %s" % (d, int(info.st_mtime), info.st_size, leaf)
elif stat.S_ISLNK(m):
target = os.readlink(path)
d = new_digest(target).hexdigest()
# Note: Can't use utime on symlinks, so skip mtime
# Note: eCryptfs may report length as zero, so count ourselves instead
yield "S %s %s %s" % (d, len(target), leaf)
elif stat.S_ISDIR(m):
dirs.append(leaf)
else:
raise SafeException(_("Unknown object '%s' (not a file, directory or symlink)") %
path)
for x in dirs:
for y in recurse(os.path.join(sub, x)): yield y
return
def extract_dmg(stream, destdir, extract, start_offset = 0):
"@since: 0.46"
if extract:
raise SafeException(_('Sorry, but the "extract" attribute is not yet supported for DMGs'))
stream.seek(start_offset)
# hdiutil can't read from stdin, so make a copy...
dmg_copy_name = os.path.join(destdir, 'archive.dmg')
dmg_copy = open(dmg_copy_name, 'w')
shutil.copyfileobj(stream, dmg_copy)
dmg_copy.close()
mountpoint = mkdtemp(prefix='archive')
subprocess.check_call(["hdiutil", "attach", "-quiet", "-mountpoint", mountpoint, "-nobrowse", dmg_copy_name])
subprocess.check_call(["cp", "-pR"] + glob.glob("%s/*" % mountpoint) + [destdir])
subprocess.check_call(["hdiutil", "detach", "-quiet", mountpoint])
os.rmdir(mountpoint)
os.unlink(dmg_copy_name)
def _extract(stream, destdir, command, start_offset = 0):
"""Run execvp('command') inside destdir in a child process, with
stream seeked to 'start_offset' as stdin."""
# Some zip archives are missing timezone information; force consistent results
child_env = os.environ.copy()
child_env['TZ'] = 'GMT'
stream.seek(start_offset)
# TODO: use pola-run if available, once it supports fchmod
child = subprocess.Popen(command, cwd = destdir, stdin = stream, stderr = subprocess.PIPE, env = child_env)
unused, cerr = child.communicate()
status = child.wait()
if status != 0:
raise SafeException(_('Failed to extract archive (using %(command)s); exit code %(status)d:\n%(err)s') % {'command': command, 'status': status, 'err': cerr.strip()})
def __init__(self, need_config = True):
if need_config and not os.path.isfile(ENV_FILE):
raise SafeException("Run 0compile from a directory containing a '%s' file" % ENV_FILE)
self.config = ConfigParser.RawConfigParser()
self.config.add_section('compile')
self.config.set('compile', 'download-base-url', '')
self.config.set('compile', 'version-modifier', '')
self.config.set('compile', 'interface', '')
self.config.set('compile', 'selections', '')
self.config.set('compile', 'metadir', '0install')
self.config.set('compile', 'distdir', '')
self.config.read(ENV_FILE)
self._selections = None
return
def find_config(missing_ok=False):
"""Change to parent directory until we find one with 0repo-config.py."""
def is_root_dir():
if os.name == 'nt':
# Top-level directories on Windows are always three characters long (e.g. 'C:\')
return len(os.getcwd()) == 3
else:
return os.path.samefile('.', '..')
# Walk up the directory tree to find the root of the repository
while not os.path.isfile('0repo-config.py'):
if is_root_dir():
if missing_ok:
return False
raise SafeException(
'0repo must be run from a repository directory (a directory that contains\n'
'a "0repo-config.py" file). To create a new repository, use "0repo create"'
)
os.chdir('..')
return True
def extract_zip(stream, destdir, extract, start_offset=0):
if extract:
# Limit the characters we accept, to avoid sending dodgy
# strings to zip
if not re.match('^[a-zA-Z0-9][- _a-zA-Z0-9.]*$', extract):
raise SafeException(_('Illegal character in extract attribute'))
stream.seek(start_offset)
# unzip can't read from stdin, so make a copy...
zip_copy_name = os.path.join(destdir, 'archive.zip')
with open(zip_copy_name, 'wb') as zip_copy:
shutil.copyfileobj(stream, zip_copy)
args = ['unzip', '-q', '-o', 'archive.zip']
if extract:
args.append(extract + '/*')
_extract(stream, destdir, args)
os.unlink(zip_copy_name)
def expand_impl_relative_urls(config, parent, impl):
for elem in parent.childNodes:
if elem.nodeType != Node.ELEMENT_NODE: continue
if elem.namespaceURI != XMLNS_IFACE: continue
if elem.localName in ('archive', 'file'):
archive = elem.getAttribute('href')
assert archive
if '/' not in archive:
x = config.archive_db.lookup(archive)
if not x and os.path.exists(os.path.join('incoming', archive)):
x = import_missing_archive(config, impl, archive)
if not x:
raise SafeException("Missing entry for {basename} in {db}; can't build feeds."
"Place missing archives in 'incoming' and try again.".format(
basename = archive,
db = config.archive_db.path))
elem.setAttribute('href', x.url)
elif elem.localName == 'recipe':
expand_impl_relative_urls(config, elem, impl = impl)
def spawn_build(self, iface_name):
assert self.child is None
self.details.insert_at_end_and_scroll('Building %s\n' % iface_name,
'heading')
# Group all the child processes so we can kill them easily
def become_group_leader():
os.setpgid(0, 0)
devnull = os.open(os.devnull, os.O_RDONLY)
try:
self.child = subprocess.Popen(
[sys.executable, '-u', sys.argv[0], 'build'],
stdin=devnull,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
preexec_fn=become_group_leader)
finally:
os.close(devnull)
import codecs
decoder = codecs.getincrementaldecoder('utf-8')(errors='replace')
while True:
yield tasks.InputBlocker(self.child.stdout, 'output from child')
got = os.read(self.child.stdout.fileno(), 100)
chars = decoder.decode(got, final=not got)
self.details.insert_at_end_and_scroll(chars)
if not got: break
self.child.wait()
code = self.child.returncode
self.child = None
if code:
self.details.insert_at_end_and_scroll(
'Build process exited with error status %d\n' % code, 'error')
raise SafeException('Build process exited with error status %d' %
code)
self.details.insert_at_end_and_scroll('Build completed successfully\n',
'heading')
def add_to_menu(feed, icon_path, category, zlaunch=None):
"""Write a .desktop file for this application.
@param feed: the master feed of the program being added
@param icon_path: the path of the icon, or None
@param category: the freedesktop.org menu category"""
if isinstance(feed, model.Interface):
import warnings
warnings.warn("API change: pass a ZeroInstallFeed, not an Interface",
DeprecationWarning, 2)
iface_uri = feed.uri
else:
iface_uri = feed.url
tmpdir = tempfile.mkdtemp(prefix='zero2desktop-')
try:
desktop_name = os.path.join(
tmpdir, 'zeroinstall-%s.desktop' %
feed.get_name().lower().replace(os.sep, '-').replace(' ', ''))
desktop = open(desktop_name, 'w')
desktop.write(
_template % {
'name': feed.get_name(),
'comment': feed.summary,
'0launch': zlaunch or '0launch',
'iface': iface_uri,
'category': category
})
if icon_path:
desktop.write(_icon_template % icon_path)
if len(feed.get_metadata(namespaces.XMLNS_IFACE, 'needs-terminal')):
desktop.write('Terminal=true\n')
desktop.close()
status = os.spawnlp(os.P_WAIT, 'xdg-desktop-menu', 'xdg-desktop-menu',
'install', desktop_name)
finally:
shutil.rmtree(tmpdir)
if status:
raise SafeException(
_('Failed to run xdg-desktop-menu (error code %d)') % status)
def suggest_release_version(snapshot_version):
"""Given a snapshot version, suggest a suitable release version.
>>> suggest_release_version('1.0-pre')
'1.0'
>>> suggest_release_version('0.9-post')
'0.10'
>>> suggest_release_version('3')
Traceback (most recent call last):
...
SafeException: Version '3' is not a snapshot version (should end in -pre or -post)
"""
version = model.parse_version(snapshot_version)
mod = version[-1]
if mod == 0:
raise SafeException(
"Version '%s' is not a snapshot version (should end in -pre or -post)"
% snapshot_version)
if mod > 0:
# -post, so increment the number
version[-2][-1] += 1
version[-1] = 0 # Remove the modifier
return model.format_version(version)
def __init__(self, message = None):
SafeException.__init__(self, message or _("Download aborted at user's request"))
def __str__(self): if self.feed_url: return SafeException.__str__(self) + ' in ' + self.feed_url return SafeException.__str__(self)
