class StepCall(StepBase):
def __init__(self, name, application, step_type, step_subtype, step_content, shared_lock):
super(StepCall, self).__init__(name, application, step_type, step_subtype, step_content, shared_lock)
self.call_chain_name=step_subtype
self.pycode = PyCode(self.name, 'inline(StepCall)', self.content[0]['value'])
def run(self, runtime_context):
assert(CTX_PAYLOAD in runtime_context)
runtime_context[CTX_LOCK] = self.shared_lock
chain = self.application.get_chain(self.call_chain_name)
if not chain:
raise SyntaxError('Chain "%s" does not exist!' % (self.call_chain_name,))
exception_queue = Queue.Queue()
self.pycode.run( exception_queue, runtime_context)
try:
exception_info = exception_queue.get(block=False)
raise RuntimeError(exception_info)
except Queue.Empty:
pass
chain.run( runtime_context, False )
self.logger.info("StepCall runtime_contex[payload] %s", runtime_context[CTX_PAYLOAD])
class StepExceptionHandler(StepBase):
def __init__(self, name, application, step_type, step_subtype, step_content, shared_lock):
super(StepExceptionHandler, self).__init__(name, application, step_type, step_subtype, step_content, shared_lock)
self.is_exception_handler = True
self.call = None
for instruction in step_content:
if instruction['subtype'] == 'code':
self.pycode = PyCode(self.name, 'inline', instruction['value'])
elif instruction['subtype'] == 'gosub':
self.call = instruction['value']
def run(self, runtime_context):
self.logger.info('Executing ExceptionHandler "%s".', self.name)
runtime_context[CTX_LOCK] = self.shared_lock
exception_queue = Queue.Queue()
self.pycode.run(exception_queue, runtime_context)
try:
exc_type, exc_obj, exc_trace = exception_queue.get(block=False)
self.logger.error("%s Exception Info: %r", self.name, exc_obj)
raise exc_obj
except Queue.Empty:
pass
if self.call is not None:
call_chain = self.application.get_chain(self.call)
if not call_chain:
raise SyntaxError('Chain "%s" does not exist!' % (self.call,))
call_chain.run( runtime_context, False )