def init_engine(self):
# This is the working dir by now.
sys.path.insert(0, '')
config = self.config
# print config
self.find_url_file()
# was the url manually specified?
keys = set(self.config.EngineFactory.keys())
keys = keys.union(set(self.config.RegistrationFactory.keys()))
if self.wait_for_url_file and not os.path.exists(self.url_file):
self.log.warn("url_file %r not found", self.url_file)
self.log.warn("Waiting up to %.1f seconds for it to arrive.",
self.wait_for_url_file)
tic = time.time()
while not os.path.exists(self.url_file) and (
time.time() - tic < self.wait_for_url_file):
# wait for url_file to exist, or until time limit
time.sleep(0.1)
if os.path.exists(self.url_file):
self.load_connector_file()
else:
self.log.fatal("Fatal: url file never arrived: %s", self.url_file)
self.exit(1)
exec_lines = []
for app in ('IPKernelApp', 'InteractiveShellApp'):
if '%s.exec_lines' % app in config:
exec_lines = config[app].exec_lines
break
exec_files = []
for app in ('IPKernelApp', 'InteractiveShellApp'):
if '%s.exec_files' % app in config:
exec_files = config[app].exec_files
break
config.IPKernelApp.exec_lines = exec_lines
config.IPKernelApp.exec_files = exec_files
if self.startup_script:
exec_files.append(self.startup_script)
if self.startup_command:
exec_lines.append(self.startup_command)
# Create the underlying shell class and Engine
# shell_class = import_item(self.master_config.Global.shell_class)
# print self.config
try:
self.engine = EngineFactory(
config=config,
log=self.log,
connection_info=self.connection_info,
)
except:
self.log.error("Couldn't start the Engine", exc_info=True)
self.exit(1)
