def test_periodic_action(self):
from pypy.interpreter.executioncontext import ActionFlag
class DemoAction(executioncontext.PeriodicAsyncAction):
counter = 0
def perform(self, ec, frame):
self.counter += 1
print '->', self.counter
if self.counter == 3:
raise Finished
space = self.space
a2 = DemoAction(space)
try:
space.actionflag.setcheckinterval(100)
space.actionflag.register_periodic_action(a2, True)
try:
for i in range(500):
space.appexec([], """():
n = 5
return n + 2
""")
except Finished:
pass
finally:
space.actionflag = ActionFlag() # reset to default
assert 10 < i < 110
def __init__(self, config=None):
"NOT_RPYTHON: Basic initialization of objects."
self.fromcache = InternalSpaceCache(self).getorbuild
self.threadlocals = ThreadLocals()
# set recursion limit
# sets all the internal descriptors
if config is None:
from pypy.config.pypyoption import get_pypy_config
config = get_pypy_config(translating=False)
self.config = config
# import extra modules for side-effects
import pypy.interpreter.nestedscope # register *_DEREF bytecodes
self.interned_strings = {}
self.actionflag = ActionFlag() # changed by the signal module
self.user_del_action = UserDelAction(self)
self.frame_trace_action = FrameTraceAction(self)
self.actionflag.register_action(self.user_del_action)
self.actionflag.register_action(self.frame_trace_action)
from pypy.interpreter.pyframe import PyFrame
self.FrameClass = PyFrame # can be overridden to a subclass
# if self.config.objspace.logbytecodes:
# self.bytecodecounts = {}
self.initialize()
def __init__(self, config=None):
"""NOT_RPYTHON"""
self.fromcache = InternalSpaceCache(self).getorbuild
self.w_Ellipsis = special.Ellipsis()
self.w_NotImplemented = special.NotImplemented()
if config is None:
from pypy.config.pypyoption import get_pypy_config
config = get_pypy_config(translating=False)
self.config = config
self.interned_strings = make_weak_value_dictionary(self, str, W_Root)
self.builtin = DictObject({})
self.FrameClass = PyFrame
self.threadlocals = ThreadLocals()
self.actionflag = ActionFlag() # changed by the signal module
self.check_signal_action = None # changed by the signal module
