def test_deep_recursion():
def fact(n, result=1):
if n <= 1:
returnValue(result)
else:
noreturn(fact(n - 1, n * result))
yield
assert deferred_result(coroutine(fact)(1)) == 1
assert deferred_result(coroutine(fact)(10)) == safe_fact(10)
with recursion_limit(100):
try:
# +10 is actually too high here as we probably already have some stuff on the stack, but just to be sure
assert deferred_result(coroutine(fact)(110)) == safe_fact(110)
except RuntimeError:
assert False
# ...and now let's prove that the same (tail call optimizable) algorithm without noreturn will eat up the stack
def normal_fact(n, result=1):
if n <= 1:
returnValue(result)
else:
return normal_fact(n - 1, n * result)
with recursion_limit(100):
try:
normal_fact(110)
except RuntimeError:
pass
else:
assert False, "normal_fact(110)"
def test_deep_recursion():
def fact(n, result=1):
if n <= 1:
returnValue(result)
else:
noreturn(fact(n - 1, n * result))
yield
assert deferred_result(coroutine(fact)(1)) == 1
assert deferred_result(coroutine(fact)(10)) == safe_fact(10)
with recursion_limit(100):
try:
# +10 is actually too high here as we probably already have some stuff on the stack, but just to be sure
assert deferred_result(coroutine(fact)(110)) == safe_fact(110)
except RuntimeError:
assert False
# ...and now let's prove that the same (tail call optimizable) algorithm without noreturn will eat up the stack
def normal_fact(n, result=1):
if n <= 1:
returnValue(result)
else:
return normal_fact(n - 1, n * result)
with recursion_limit(100):
try:
normal_fact(110)
except RuntimeError:
pass
else:
assert False, "normal_fact(110)"
def loadCommands(self):
commands = {}
path = yield self.config.get("path","commands")
for loader, name, ispkg in pkgutil.iter_modules([path]):
if ispkg:
continue
try:
command = getattr(__import__(path, fromlist=[name.encode("utf8")]), name)
reload(command)
command.config["name"] = name
command.config["command"] = coroutine(command.command) if inspect.isgeneratorfunction(command.command) else command.command
args, varg, vkwarg, kwargs = inspect.getargspec(command.command)
if args[:5] != ["guid", "manager", "irc", "channel", "user"]:
continue
if kwargs:
boundary = -1 * len(kwargs)
command.config["args"] = args[5:boundary]
command.config["kwargs"] = args[boundary:]
else:
command.config["args"] = args[5:]
command.config["kwargs"] = []
command.config["varg"] = varg
command.config["vkwarg"] = vkwarg
if "disabled" in command.config and command.config["disabled"]:
continue
commands[name] = command.config
except:
self.err("Failed to load {}.{}", path, name)
self.commands = commands
def __new__(self, name, bases, dict_):
"""Verifies that the run method is a generator, and wraps it with `txcoroutine.coroutine`."""
ret = super(ProcessType, self).__new__(self, name, bases, dict_)
path_of_new_class = dict_['__module__'] + '.' + name
if path_of_new_class != 'spinoff.actor.process.Process':
if not inspect.isgeneratorfunction(ret.run):
raise TypeError("Process.run must return a generator")
ret.run = coroutine(ret.run)
return ret
def loadCommands(self):
commands = {}
path = yield self.config.get("path", "commands")
for loader, name, ispkg in pkgutil.iter_modules([path]):
if ispkg:
continue
try:
command = getattr(
__import__(path, fromlist=[name.encode("utf8")]), name)
reload(command)
command.config["name"] = name
command.config["command"] = coroutine(
command.command) if inspect.isgeneratorfunction(
command.command) else command.command
args, varg, vkwarg, kwargs = inspect.getargspec(
command.command)
if args[:5] != ["guid", "manager", "irc", "channel", "user"]:
continue
if kwargs:
boundary = -1 * len(kwargs)
command.config["args"] = args[5:boundary]
command.config["kwargs"] = args[boundary:]
else:
command.config["args"] = args[5:]
command.config["kwargs"] = []
command.config["varg"] = varg
command.config["vkwarg"] = vkwarg
if "disabled" in command.config and command.config["disabled"]:
continue
commands[name] = command.config
except:
self.err("Failed to load {}.{}", path, name)
self.commands = commands
