def test_debug_mode_manages_coroutine_origin_tracking(self):
async def start():
self.assertTrue(sys.get_coroutine_origin_tracking_depth() > 0)
self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 0)
self.loop.set_debug(True)
self.loop.run_until_complete(start())
self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 0)
def test_debug_mode_manages_coroutine_origin_tracking(self):
async def start():
self.assertTrue(sys.get_coroutine_origin_tracking_depth() > 0)
self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 0)
self.loop.set_debug(True)
self.loop.run_until_complete(start())
self.assertEqual(sys.get_coroutine_origin_tracking_depth(), 0)
def test_coroutine_origin_tracking_depth(self):
import sys
depth = sys.get_coroutine_origin_tracking_depth()
assert depth == 0
try:
sys.set_coroutine_origin_tracking_depth(6)
depth = sys.get_coroutine_origin_tracking_depth()
assert depth == 6
with raises(ValueError):
sys.set_coroutine_origin_tracking_depth(-5)
finally:
sys.set_coroutine_origin_tracking_depth(0)
def test_loop_get_set_debug_restores_coroutine_origin_tracking_depth(
loop: GLibEventLoop):
sys.set_coroutine_origin_tracking_depth(123)
loop.set_debug(True)
loop.set_debug(False)
assert sys.get_coroutine_origin_tracking_depth() == 123
def test_loop_get_set_debug(loop: GLibEventLoop):
loop.set_debug(True)
assert loop.get_debug() is True
assert sys.get_coroutine_origin_tracking_depth(
) == aioglib.constants.DEBUG_STACK_DEPTH
loop.set_debug(False)
assert loop.get_debug() is False
def _set_coroutine_origin_tracking(self, enabled: bool) -> None:
# Requires sys.get_coroutine_origin_tracking_depth(), added in Python 3.7.
if not PY_37: return
if bool(enabled) == bool(self._coroutine_origin_tracking_enabled):
return
if enabled:
# Save tracking depth to restore later.
self._cot_saved_depth = sys.get_coroutine_origin_tracking_depth()
sys.set_coroutine_origin_tracking_depth(
constants.DEBUG_STACK_DEPTH)
else:
# Restore original depth.
if self._cot_saved_depth is not None:
sys.set_coroutine_origin_tracking_depth(self._cot_saved_depth)
self._cot_saved_depth = None
self._coroutine_origin_tracking_enabled = enabled
def test_pickling_origin(self):
old_coroutine_origin_tracking_depth = sys.get_coroutine_origin_tracking_depth(
)
self.addCleanup(sys.set_coroutine_origin_tracking_depth,
old_coroutine_origin_tracking_depth)
sys.set_coroutine_origin_tracking_depth(5)
c = self.c()
self.assertEqual(c.send(None), 1)
orig_origin = c.cr_origin
self.assertIsInstance(orig_origin, tuple)
p = self.dumps(c)
c = self.loads(p)
self.assertIsInstance(c, types.CoroutineType)
self.assertIsNotNone(c.cr_await)
self.assertIsNotNone(c.cr_frame)
origin = c.cr_origin
self.assertIsInstance(origin, tuple)
self.assertIsNot(origin, orig_origin)
self.assertTupleEqual(orig_origin, origin)
self.assertRaises(StopIteration, c.send, None)
async def start():
self.assertTrue(sys.get_coroutine_origin_tracking_depth() > 0)
print(sys.getwindowsversion())
def firstiter():
print('from firstiter.')
def finalizer():
print('from finalizer.')
sys.set_asyncgen_hooks(firstiter, finalizer)
print(sys.get_asyncgen_hooks())
print(sys.get_coroutine_origin_tracking_depth())
print(sys.hash_info)
print(sys.hexversion)
print(sys.implementation)
print(sys.int_info)
print(sys.__interactivehook__)
s1 = sys.intern('hello!哈哈')
s2 = 'hello!哈哈'
s3 = ('hello!哈哈')
print(s1 == s2)
print(s1 is s3)
async def coroutine_wrapper_deprecated():
# set_coroutine_wrapper() and sys.get_coroutine_wrapper() will be removed in Python 3.8
sys.set_coroutine_wrapper(sys.get_coroutine_wrapper())
# and are deprecated in favor of
sys.set_coroutine_origin_tracking_depth(
sys.get_coroutine_origin_tracking_depth())
async def start():
self.assertTrue(sys.get_coroutine_origin_tracking_depth() > 0)
