def fmain(seen):
try:
greenlet.getcurrent().parent.switch()
except:
seen.append(sys.exc_info()[0])
raise
raise ValueError
def fmain(seen):
try:
greenlet.getcurrent().parent.switch()
except:
seen.append(sys.exc_info()[0])
raise
raise ValueError
def Yield(value):
g = greenlet.getcurrent()
while not isinstance(g, genlet):
if g is None:
raise RuntimeError, 'yield outside a genlet'
g = g.parent
g.parent.switch(value)
def next(self):
self.parent = greenlet.getcurrent()
result = self.switch()
if self:
return result
else:
raise StopIteration
def Yield(value):
g = greenlet.getcurrent()
while not isinstance(g, genlet):
if g is None:
raise RuntimeError, 'yield outside a genlet'
g = g.parent
g.parent.switch(value)
def next(self):
self.parent = greenlet.getcurrent()
result = self.switch()
if self:
return result
else:
raise StopIteration
def test_switch_back_to_main(self):
from _stackless import greenlet
lst = []
main = greenlet.getcurrent()
def f(x):
lst.append(x)
x = main.switch(x + 10)
return 40 + x
g = greenlet(f)
res = g.switch(20)
assert res == 30
assert lst == [20]
assert not g.dead
res = g.switch(2)
assert res == 42
assert g.dead
def test_switch_back_to_main(self):
from _stackless import greenlet
lst = []
main = greenlet.getcurrent()
def f(x):
lst.append(x)
x = main.switch(x + 10)
return 40 + x
g = greenlet(f)
res = g.switch(20)
assert res == 30
assert lst == [20]
assert not g.dead
res = g.switch(2)
assert res == 42
assert g.dead
def test_throw_goes_to_original_parent(self):
from _stackless import greenlet
main = greenlet.getcurrent()
def f1():
try:
main.switch("f1 ready to catch")
except IndexError:
return "caught"
else:
return "normal exit"
def f2():
main.switch("from f2")
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
raises(IndexError, g2.throw, IndexError)
assert g2.dead
assert g1.dead
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
res = g1.switch()
assert res == "f1 ready to catch"
res = g2.throw(IndexError)
assert res == "caught"
assert g2.dead
assert g1.dead
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
res = g1.switch()
assert res == "f1 ready to catch"
res = g2.switch()
assert res == "from f2"
res = g2.throw(IndexError)
assert res == "caught"
assert g2.dead
assert g1.dead
def test_throw_goes_to_original_parent(self):
from _stackless import greenlet
main = greenlet.getcurrent()
def f1():
try:
main.switch("f1 ready to catch")
except IndexError:
return "caught"
else:
return "normal exit"
def f2():
main.switch("from f2")
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
raises(IndexError, g2.throw, IndexError)
assert g2.dead
assert g1.dead
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
res = g1.switch()
assert res == "f1 ready to catch"
res = g2.throw(IndexError)
assert res == "caught"
assert g2.dead
assert g1.dead
g1 = greenlet(f1)
g2 = greenlet(f2, parent=g1)
res = g1.switch()
assert res == "f1 ready to catch"
res = g2.switch()
assert res == "from f2"
res = g2.throw(IndexError)
assert res == "caught"
assert g2.dead
assert g1.dead
is_alive = property(_is_alive)
del _is_alive
def getcurrent():
"""coroutine.getcurrent() -> the currently running coroutine"""
try:
return greenlet.getcurrent().coro
except AttributeError:
return _maincoro
getcurrent = staticmethod(getcurrent)
def __reduce__(self):
raise TypeError, 'pickling is not possible based upon greenlets'
_maincoro = coroutine()
maingreenlet = greenlet.getcurrent()
_maincoro._frame = frame = MWrap(maingreenlet)
frame.coro = _maincoro
del frame
del maingreenlet
from collections import deque
import operator
__all__ = 'run getcurrent getmain schedule tasklet channel coroutine \
TaskletExit greenlet'.split()
_global_task_id = 0
_squeue = None
_main_tasklet = None
_main_coroutine = None
def f1():
f = sys._getframe(0)
assert f.f_back is None
greenlet.getcurrent().parent.switch(f)
return "meaning of life"
def f():
lst.append(1)
greenlet.getcurrent().parent.switch()
lst.append(3)
def switch(*args):
return greenlet.getcurrent().parent.switch(*args)
def switch(*args):
return greenlet.getcurrent().parent.switch(*args)
def f1():
f = sys._getframe(0)
assert f.f_back is None
greenlet.getcurrent().parent.switch(f)
return "meaning of life"
del _is_alive
def getcurrent():
"""coroutine.getcurrent() -> the currently running coroutine"""
try:
return greenlet.getcurrent().coro
except AttributeError:
return _maincoro
getcurrent = staticmethod(getcurrent)
def __reduce__(self):
raise TypeError, 'pickling is not possible based upon greenlets'
_maincoro = coroutine()
maingreenlet = greenlet.getcurrent()
_maincoro._frame = frame = MWrap(maingreenlet)
frame.coro = _maincoro
del frame
del maingreenlet
from collections import deque
import operator
__all__ = 'run getcurrent getmain schedule tasklet channel coroutine \
TaskletExit greenlet'.split()
_global_task_id = 0
_squeue = None
_main_tasklet = None
def f():
lst.append(1)
greenlet.getcurrent().parent.switch()
lst.append(3)
def getcurrent():
"""coroutine.getcurrent() -> the currently running coroutine"""
try:
return greenlet.getcurrent().coro
except AttributeError:
return _maincoro
def getcurrent():
"""coroutine.getcurrent() -> the currently running coroutine"""
try:
return greenlet.getcurrent().coro
except AttributeError:
return _maincoro
