def run(self,
event,
context=None,
handler=None,
event_source=None,
debug=False):
if context is None:
context = FlexerContext()
if context.state is None:
context.state = FlexerLocalState()
logger.info('Running handler "%s"', handler)
try:
module_name, func_name = self._parse_handler(handler)
if module_name not in self.modules:
self.modules[module_name] = self._import_module(module_name)
func = self._get_handler_from_module(module_name, func_name)
except FlexerException as e:
return FlexerResult(value=None,
logs=e.stack_trace,
error=e.to_dict())
value, error, stdout = None, None, ''
headers = {}
f = sys.stderr if debug else StringIO()
try:
with RedirectStdStreams(stdout=f, stderr=f):
try:
value = func(event, context)
headers = context.response_headers
# if a cmp object type is returned,
# encode result and add header
if hasattr(value, "cmp_response"):
headers['x-cmp-response'] = type(value).__name__
value = value.cmp_response()
except BaseException:
del func
error = self._format_exception_info(sys.exc_info())
if not debug:
stdout = f.getvalue()
finally:
if not debug:
f.close()
logger.info('Handler completed "%s"', handler)
if error:
stdout += error['stack_trace']
return FlexerResult(value=value,
logs=stdout,
error=error,
headers=headers)
def run(self,
event,
context=None,
handler=None,
event_source=None,
debug=False):
if context is None:
context = FlexerContext()
if context.state is None:
context.state = FlexerLocalState()
logger.info('Running handler "%s"', handler)
try:
module_name, func_name = self._parse_handler(handler)
if module_name not in self.modules:
self.modules[module_name] = self._import_module(module_name)
func = self._get_handler_from_module(module_name, func_name)
except FlexerException as e:
return FlexerResult(value=None,
logs=e.stack_trace,
error=e.to_dict())
value, error, stdout = None, None, ''
headers = {}
f = sys.stderr if debug else StringIO.StringIO()
try:
with RedirectStdStreams(stdout=f, stderr=f):
try:
value = func(event, context)
headers = context.response_headers
# if a cmp object type is returned,
# encode result and add header
if hasattr(value, "cmp_response"):
headers['x-cmp-response'] = type(value).__name__
value = value.cmp_response()
except:
del func
error = self._format_exception_info(sys.exc_info())
if not debug:
stdout = f.getvalue()
finally:
if not debug:
f.close()
logger.info('Handler completed "%s"', handler)
if error:
stdout += error['stack_trace']
else:
schema = self._get_validation_schema(event_source, handler)
if schema:
validator = Draft4Validator(schema)
errors = []
for e in sorted(validator.iter_errors(value), key=str):
errors.append(e.message + ' in ' + str(list(e.path)))
if errors:
error = {
'exc_message': json.dumps(errors),
'exc_type': 'ValidationError'
}
stdout += json.dumps(errors)
return FlexerResult(value=value,
logs=stdout,
error=error,
headers=headers)
