def _func_takes_last_result(waiter):
if not six.callable(waiter):
return False
if isinstance(waiter, wait_base):
waiter = waiter.__call__
waiter_spec = _utils.getargspec(waiter)
return 'last_result' in waiter_spec.args
def _func_takes_call_state(func):
if not six.callable(func):
return False
if isinstance(func, wait_base):
func = func.__call__
func_spec = _utils.getargspec(func)
return 'call_state' in func_spec.args
def func_takes_retry_state(func):
if not six.callable(func):
return False
if not inspect.isfunction(func):
# func is a callable object rather than a function
func = func.__call__
func_spec = _utils.getargspec(func)
return 'retry_state' in func_spec.args
def func_takes_retry_state(func):
if not six.callable(func):
raise Exception(func)
return False
if not inspect.isfunction(func) and not inspect.ismethod(func):
# func is a callable object rather than a function/method
func = func.__call__
func_spec = _utils.getargspec(func)
return 'retry_state' in func_spec.args
def func_takes_last_result(waiter):
"""Check if function has a "last_result" parameter.
Needed to provide backward compatibility for wait functions that didn't
take "last_result" in the beginning.
"""
if not six.callable(waiter):
return False
if not inspect.isfunction(waiter) and not inspect.ismethod(waiter):
# waiter is a class, check dunder-call rather than dunder-init.
waiter = waiter.__call__
waiter_spec = _utils.getargspec(waiter)
return 'last_result' in waiter_spec.args
