def join_grid(self, settings):
nickname = settings['nickname']
if self.use_tor:
msg = "Connecting to {} via Tor...".format(nickname)
else:
msg = "Connecting to {}...".format(nickname)
self.update_progress.emit(msg)
icon_path = None
if nickname == 'Least Authority S4':
icon_path = resource('leastauthority.com.icon')
self.got_icon.emit(icon_path)
elif 'icon_base64' in settings:
icon_path = os.path.join(config_dir, '.icon.tmp')
self.decode_icon(settings['icon_base64'], icon_path)
elif 'icon_url' in settings:
# A temporary(?) measure to get around the performance issues
# observed when transferring a base64-encoded icon through Least
# Authority's wormhole server. Hopefully this will go away.. See:
# https://github.com/LeastAuthority/leastauthority.com/issues/539
log.debug("Fetching service icon from %s...", settings['icon_url'])
icon_path = os.path.join(config_dir, '.icon.tmp')
try:
# It's probably not worth cancelling or holding-up the setup
# process if fetching/writing the icon fails (particularly
# if doing so would require the user to get a new invite code)
# so just log a warning for now if something goes wrong...
yield self.fetch_icon(settings['icon_url'], icon_path)
except Exception as e: # pylint: disable=broad-except
log.warning("Error fetching service icon: %s", str(e))
executable = yield select_executable()
nodedir = os.path.join(config_dir, nickname)
self.gateway = Tahoe(nodedir, executable=executable)
yield self.gateway.create_client(**settings)
newscap = settings.get('newscap')
if newscap:
with open(os.path.join(nodedir, 'private', 'newscap'), 'w') as f:
f.write(newscap)
if icon_path:
try:
shutil.copy(icon_path, os.path.join(nodedir, 'icon'))
except OSError as err:
log.warning("Error copying icon file: %s", str(err))
if 'icon_url' in settings:
try:
with open(os.path.join(nodedir, 'icon.url'), 'w') as f:
f.write(settings['icon_url'])
except OSError as err:
log.warning("Error writing icon url to file: %s", str(err))
self.update_progress.emit(msg)
yield self.gateway.start()
self.client_started.emit(self.gateway)
self.update_progress.emit(msg)
yield self.gateway.await_ready()
def select_executable(self):
self.executable = yield select_executable()
logging.debug("Selected executable: %s", self.executable)
if not self.executable:
msg.critical(
"Tahoe-LAFS not found",
"Could not find a suitable 'tahoe' executable in your PATH. "
"Please install Tahoe-LAFS (version >= 1.12) and try again.")
reactor.stop()