def do_download():
# get activity registry
from jarabe.model.bundleregistry import get_registry
registry = get_registry() # requires a dbus-registered main loop
install_event = Event()
# progress bar bookkeeping.
counts = [0, self.activity_list.updates_selected(), 0]
def p(n, extra, icon):
if n is None:
progress_cb(n, extra, icon)
else:
progress_cb((n + (counts[0] / counts[1])) / 2, extra, icon)
counts[2] = n # last fraction.
def q(n, row):
p(n,
_('Downloading %s...') % row[model.DESCRIPTION_BIG],
row[model.ACTIVITY_ICON])
for row, f in self.activity_list.download_selected_updates(q):
if f is None: continue # cancelled or network error.
try:
p(counts[2],
_('Examining %s...') % row[model.DESCRIPTION_BIG],
row[model.ACTIVITY_ICON])
b = actutils.BundleHelper(f)
p(counts[2],
_('Installing %s...') % b.get_name(),
_svg2pixbuf(b.get_icon_data()))
install_event.clear()
GLib.idle_add(self.install_cb, registry, b, install_event)
install_event.wait()
except:
logging.exception("Failed to install bundle")
pass # XXX: use alert to indicate install failure.
if os.path.exists(f):
os.unlink(f)
counts[0] += 1
# refresh when we're done.
GObject.idle_add(self.refresh_cb, None, None, False)
def set_install_update(which):
"""
Install any available updates for the activity identified by the
given (localized) name or bundle id, or all available updates if
'all' is given.
"""
import os
ul = UpdateList(skip_icons=True)
ul.refresh(_print_status)
def too_many():
raise ValueError(
_('More than one match found for the given activity name or id.'))
def no_updates():
raise ValueError(_('The given activity is already up-to-date.'))
if which != 'all':
found = False
for row in ul:
row[UPDATE_SELECTED] = False
for row in ul:
if row[IS_HEADER]: continue
if which == row[ACTIVITY_ID]:
if found: too_many()
found = True
if not row[UPDATE_EXISTS]: no_updates()
row[UPDATE_SELECTED] = True
if not found:
found_but_uptodate = False
for row in ul:
if row[IS_HEADER]: continue
if which in row[DESCRIPTION_BIG]:
if not row[UPDATE_EXISTS]: # could be false match
found_but_uptodate = True
continue
if found: too_many()
found = True
row[UPDATE_SELECTED] = True
if not found:
if found_but_uptodate: no_updates()
raise ValueError(_('No activity found with the given name or id.'))
assert ul.updates_selected() == 1
# okay, now we've selected only our desired updates. Download and
# install them!
# we need to set up a glib event loop in order to connect to the
# activity registry (sigh) in ActivityBundle.upgrade() below.
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
# we'll fetch the main loop, but we don't actually have to run it.
loop = GObject.MainLoop()
from jarabe.model.bundleregistry import get_registry
registry = get_registry()
def reporthook(n, row):
_print_status(n, _('Downloading %s...') % row[DESCRIPTION_BIG])
for row, f in ul.download_selected_updates(reporthook):
if f is None: continue # cancelled or network error
try:
_print_status(None, _('Examining %s...') % row[DESCRIPTION_BIG])
b = actutils.BundleHelper(f)
if b.is_installed(registry):
_print_status(None,
_('Upgrading %s...') % row[DESCRIPTION_BIG])
else:
_print_status(None,
_('Installing %s...') % row[DESCRIPTION_BIG])
b.install_or_upgrade(registry)
except:
print
print _('Error installing %s.') % row[DESCRIPTION_BIG]
import traceback
traceback.print_exc() # complain! but go on.
if os.path.exists(f):
os.unlink(f)
else:
print "Failed trying to clean up", f