def _manage_feeds(options, args):
from zeroinstall.injector import writer
from zeroinstall.injector.handler import Handler
from zeroinstall.injector.policy import Policy
handler = Handler(dry_run = options.dry_run)
if not args: raise UsageError()
for x in args:
print _("Feed '%s':") % x + '\n'
x = model.canonical_iface_uri(x)
policy = Policy(x, handler)
if options.offline:
policy.network_use = model.network_offline
feed = iface_cache.get_feed(x)
if policy.network_use != model.network_offline and policy.is_stale(feed):
blocker = policy.fetcher.download_and_import_feed(x, iface_cache.iface_cache)
print _("Downloading feed; please wait...")
handler.wait_for_blocker(blocker)
print _("Done")
interfaces = policy.get_feed_targets(x)
for i in range(len(interfaces)):
feed = interfaces[i].get_feed(x)
if feed:
print _("%(index)d) Remove as feed for '%(uri)s'") % {'index': i + 1, 'uri': interfaces[i].uri}
else:
print _("%(index)d) Add as feed for '%(uri)s'") % {'index': i + 1, 'uri': interfaces[i].uri}
print
while True:
try:
i = raw_input(_('Enter a number, or CTRL-C to cancel [1]: ')).strip()
except KeyboardInterrupt:
print
raise SafeException(_("Aborted at user request."))
if i == '':
i = 1
else:
try:
i = int(i)
except ValueError:
i = 0
if i > 0 and i <= len(interfaces):
break
print _("Invalid number. Try again. (1 to %d)") % len(interfaces)
iface = interfaces[i - 1]
feed = iface.get_feed(x)
if feed:
iface.extra_feeds.remove(feed)
else:
iface.extra_feeds.append(model.Feed(x, arch = None, user_override = True))
writer.save_interface(iface)
print '\n' + _("Feed list for interface '%s' is now:") % iface.get_name()
if iface.feeds:
for f in iface.feeds:
print "- " + f.uri
else:
print _("(no feeds)")
def handle(config, options, args, add_ok=True, remove_ok=False):
if options.offline:
config.network_use = model.network_offline
if len(args) == 2:
iface = config.iface_cache.get_interface(
model.canonical_iface_uri(args[0]))
feed_url = args[1]
if find_feed_import(iface, feed_url):
raise SafeException(
_('Interface %(interface)s already has feed %(feed)s') % {
'interface': iface.uri,
'feed': feed_url
})
feed = config.iface_cache.get_feed(feed_url)
if not feed:
blocker = config.fetcher.download_and_import_feed(
feed_url, config.iface_cache)
tasks.wait_for_blocker(blocker)
iface.extra_feeds.append(
model.Feed(feed_url, arch=None, user_override=True))
writer.save_interface(iface)
return
elif len(args) != 1:
raise UsageError()
x = args[0]
print _("Feed '%s':") % x + '\n'
x = model.canonical_iface_uri(x)
policy = Policy(x, config=config)
feed = config.iface_cache.get_feed(x)
if policy.network_use != model.network_offline and policy.is_stale(feed):
blocker = config.fetcher.download_and_import_feed(
x, config.iface_cache)
tasks.wait_for_blocker(blocker)
candidate_interfaces = policy.get_feed_targets(x)
assert candidate_interfaces
interfaces = []
for i in range(len(candidate_interfaces)):
iface = candidate_interfaces[i]
if find_feed_import(iface, x):
if remove_ok:
print _("%(index)d) Remove as feed for '%(uri)s'") % {
'index': i + 1,
'uri': iface.uri
}
interfaces.append(iface)
else:
if add_ok:
print _("%(index)d) Add as feed for '%(uri)s'") % {
'index': i + 1,
'uri': iface.uri
}
interfaces.append(iface)
if not interfaces:
if remove_ok:
raise SafeException(
_("%(feed)s is not registered as a feed for %(interface)s") % {
'feed': x,
'interface': candidate_interfaces[0]
})
else:
raise SafeException(
_("%(feed)s already registered as a feed for %(interface)s") %
{
'feed': x,
'interface': candidate_interfaces[0]
})
print
while True:
try:
i = raw_input(
_('Enter a number, or CTRL-C to cancel [1]: ')).strip()
except KeyboardInterrupt:
print
raise SafeException(_("Aborted at user request."))
if i == '':
i = 1
else:
try:
i = int(i)
except ValueError:
i = 0
if i > 0 and i <= len(interfaces):
break
print _("Invalid number. Try again. (1 to %d)") % len(interfaces)
iface = interfaces[i - 1]
feed_import = find_feed_import(iface, x)
if feed_import:
iface.extra_feeds.remove(feed_import)
else:
iface.extra_feeds.append(model.Feed(x, arch=None, user_override=True))
writer.save_interface(iface)
print '\n' + _("Feed list for interface '%s' is now:") % iface.get_name()
if iface.extra_feeds:
for f in iface.extra_feeds:
print "- " + f.uri
else:
print _("(no feeds)")
def get_selections(config, options, iface_uri, select_only, download_only, test_callback):
"""Get selections for iface_uri, according to the options passed.
Will switch to GUI mode if necessary.
@param options: options from OptionParser
@param iface_uri: canonical URI of the interface
@param select_only: return immediately even if the selected versions aren't cached
@param download_only: wait for stale feeds, and display GUI button as Download, not Run
@return: the selected versions, or None if the user cancels
@rtype: L{selections.Selections} | None
"""
if options.offline:
config.network_use = model.network_offline
# Try to load it as a feed. If it is a feed, it'll get cached. If not, it's a
# selections document and we return immediately.
maybe_selections = config.iface_cache.get_feed(iface_uri, selections_ok = True)
if isinstance(maybe_selections, selections.Selections):
if not select_only:
blocker = maybe_selections.download_missing(config)
if blocker:
logging.info(_("Waiting for selected implementations to be downloaded..."))
config.handler.wait_for_blocker(blocker)
return maybe_selections
r = requirements.Requirements(iface_uri)
r.parse_options(options)
policy = Policy(config = config, requirements = r)
# Note that need_download() triggers a solve
if options.refresh or options.gui:
# We could run immediately, but the user asked us not to
can_run_immediately = False
else:
if select_only:
# --select-only: we only care that we've made a selection, not that we've cached the implementations
policy.need_download()
can_run_immediately = policy.ready
else:
can_run_immediately = not policy.need_download()
stale_feeds = [feed for feed in policy.solver.feeds_used if
not feed.startswith('distribution:') and # Ignore (memory-only) PackageKit feeds
policy.is_stale(config.iface_cache.get_feed(feed))]
if download_only and stale_feeds:
can_run_immediately = False
if can_run_immediately:
if stale_feeds:
if policy.network_use == model.network_offline:
logging.debug(_("No doing background update because we are in off-line mode."))
else:
# There are feeds we should update, but we can run without them.
# Do the update in the background while the program is running.
from zeroinstall.injector import background
background.spawn_background_update(policy, options.verbose > 0)
return policy.solver.selections
# If the user didn't say whether to use the GUI, choose for them.
if options.gui is None and os.environ.get('DISPLAY', None):
options.gui = True
# If we need to download anything, we might as well
# refresh all the feeds first.
options.refresh = True
logging.info(_("Switching to GUI mode... (use --console to disable)"))
if options.gui:
gui_args = policy.requirements.get_as_options()
if download_only:
# Just changes the button's label
gui_args.append('--download-only')
if options.refresh:
gui_args.append('--refresh')
if options.verbose:
gui_args.insert(0, '--verbose')
if options.verbose > 1:
gui_args.insert(0, '--verbose')
if options.with_store:
for x in options.with_store:
gui_args += ['--with-store', x]
if select_only:
gui_args.append('--select-only')
from zeroinstall import helpers
sels = helpers.get_selections_gui(iface_uri, gui_args, test_callback)
if not sels:
return None # Aborted
else:
# Note: --download-only also makes us stop and download stale feeds first.
downloaded = policy.solve_and_download_impls(refresh = options.refresh or download_only or False,
select_only = select_only)
if downloaded:
config.handler.wait_for_blocker(downloaded)
sels = selections.Selections(policy)
return sels
def handle(config, options, args, add_ok = True, remove_ok = False):
if options.offline:
config.network_use = model.network_offline
if len(args) == 2:
iface = config.iface_cache.get_interface(model.canonical_iface_uri(args[0]))
feed_url = args[1]
if find_feed_import(iface, feed_url):
raise SafeException(_('Interface %(interface)s already has feed %(feed)s') %
{'interface': iface.uri, 'feed': feed_url})
feed = config.iface_cache.get_feed(feed_url)
if not feed:
blocker = config.fetcher.download_and_import_feed(feed_url, config.iface_cache)
tasks.wait_for_blocker(blocker)
iface.extra_feeds.append(model.Feed(feed_url, arch = None, user_override = True))
writer.save_interface(iface)
return
elif len(args) != 1:
raise UsageError()
x = args[0]
print _("Feed '%s':") % x + '\n'
x = model.canonical_iface_uri(x)
policy = Policy(x, config = config)
feed = config.iface_cache.get_feed(x)
if policy.network_use != model.network_offline and policy.is_stale(feed):
blocker = config.fetcher.download_and_import_feed(x, config.iface_cache)
tasks.wait_for_blocker(blocker)
candidate_interfaces = policy.get_feed_targets(x)
assert candidate_interfaces
interfaces = []
for i in range(len(candidate_interfaces)):
iface = candidate_interfaces[i]
if find_feed_import(iface, x):
if remove_ok:
print _("%(index)d) Remove as feed for '%(uri)s'") % {'index': i + 1, 'uri': iface.uri}
interfaces.append(iface)
else:
if add_ok:
print _("%(index)d) Add as feed for '%(uri)s'") % {'index': i + 1, 'uri': iface.uri}
interfaces.append(iface)
if not interfaces:
if remove_ok:
raise SafeException(_("%(feed)s is not registered as a feed for %(interface)s") %
{'feed': x, 'interface': candidate_interfaces[0]})
else:
raise SafeException(_("%(feed)s already registered as a feed for %(interface)s") %
{'feed': x, 'interface': candidate_interfaces[0]})
print
while True:
try:
i = raw_input(_('Enter a number, or CTRL-C to cancel [1]: ')).strip()
except KeyboardInterrupt:
print
raise SafeException(_("Aborted at user request."))
if i == '':
i = 1
else:
try:
i = int(i)
except ValueError:
i = 0
if i > 0 and i <= len(interfaces):
break
print _("Invalid number. Try again. (1 to %d)") % len(interfaces)
iface = interfaces[i - 1]
feed_import = find_feed_import(iface, x)
if feed_import:
iface.extra_feeds.remove(feed_import)
else:
iface.extra_feeds.append(model.Feed(x, arch = None, user_override = True))
writer.save_interface(iface)
print '\n' + _("Feed list for interface '%s' is now:") % iface.get_name()
if iface.extra_feeds:
for f in iface.extra_feeds:
print "- " + f.uri
else:
print _("(no feeds)")
