def test_dump(self, stdout, stderr):
fh = MyBytesIO()
utils.emergency_dump_state({'foo': 'bar'}, open_file=lambda n, m: fh)
self.assertDictEqual(pickle.loads(fh.getvalue()), {'foo': 'bar'})
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
def restore_unacked_once(self):
"""Restores all uncknowledged message at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
state = self._delivered
if not self.channel.do_restore or getattr(state, "restored"):
assert not state
return
try:
if state:
say("Restoring unacknowledged messages: %s", state)
unrestored = self.restore_unacked()
if unrestored:
errors, messages = zip(*unrestored)
say("UNABLE TO RESTORE %s MESSAGES: %s", len(errors),
errors)
emergency_dump_state(messages)
finally:
state.restored = True
def test_dump(self, stdout, stderr):
fh = MyBytesIO()
utils.emergency_dump_state({'foo': 'bar'}, open_file=lambda n, m: fh)
self.assertDictEqual(pickle.loads(fh.getvalue()), {'foo': 'bar'})
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
def restore_unacked_once(self, stderr=None):
"""Restores all unacknowledged messages at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
stderr = sys.stderr if stderr is None else stderr
state = self._delivered
if not self.restore_at_shutdown or not self.channel.do_restore:
return
if getattr(state, 'restored', None):
assert not state
return
try:
if state:
print(RESTORING_FMT.format(len(self._delivered)),
file=stderr)
unrestored = self.restore_unacked()
if unrestored:
errors, messages = list(zip(*unrestored))
print(RESTORE_PANIC_FMT.format(len(errors), errors),
file=stderr)
emergency_dump_state(messages, stderr=stderr)
finally:
state.restored = True
def restore_unacked_once(self):
"""Restores all uncknowledged message at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
state = self._delivered
if not self.channel.do_restore or getattr(state, "restored"):
assert not state
return
try:
if state:
say("Restoring unacknowledged messages: %s", state)
unrestored = self.restore_unacked()
if unrestored:
errors, messages = zip(*unrestored)
say("UNABLE TO RESTORE %s MESSAGES: %s",
len(errors), errors)
emergency_dump_state(messages)
finally:
state.restored = True
def restore_unacked_once(self):
"""Restores all unacknowledged messages at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
state = self._delivered
if not self.restore_at_shutdown or not self.channel.do_restore:
return
if getattr(state, 'restored', None):
assert not state
return
try:
if state:
say('Restoring {0!r} unacknowledged message(s).',
len(self._delivered))
unrestored = self.restore_unacked()
if unrestored:
errors, messages = list(zip(*unrestored))
say('UNABLE TO RESTORE {0} MESSAGES: {1}', len(errors),
errors)
emergency_dump_state(messages)
finally:
state.restored = True
def restore_unacked_once(self):
"""Restores all unacknowledged messages at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
state = self._delivered
if not self.restore_at_shutdown or not self.channel.do_restore:
return
if getattr(state, 'restored', None):
assert not state
return
try:
if state:
say('Restoring {0!r} unacknowledged message(s).',
len(self._delivered))
unrestored = self.restore_unacked()
if unrestored:
errors, messages = list(zip(*unrestored))
say('UNABLE TO RESTORE {0} MESSAGES: {1}',
len(errors), errors)
emergency_dump_state(messages)
finally:
state.restored = True
def restore_unacked_once(self, stderr=None):
"""Restores all unacknowledged messages at shutdown/gc collect.
Will only be done once for each instance.
"""
self._on_collect.cancel()
self._flush()
stderr = sys.stderr if stderr is None else stderr
state = self._delivered
if not self.restore_at_shutdown or not self.channel.do_restore:
return
if getattr(state, 'restored', None):
assert not state
return
try:
if state:
print(RESTORING_FMT.format(len(self._delivered)), file=stderr)
unrestored = self.restore_unacked()
if unrestored:
errors, messages = list(zip(*unrestored))
print(RESTORE_PANIC_FMT.format(len(errors), errors),
file=stderr)
emergency_dump_state(messages, stderr=stderr)
finally:
state.restored = True
def test_dump(self, stdout, stderr):
fh = MyStringIO()
utils.emergency_dump_state({"foo": "bar"}, open_file=lambda n, m: fh)
self.assertDictEqual(pickle.loads(fh.getvalue()), {"foo": "bar"})
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
def test_dump_second_strategy(self, stdout, stderr):
fh = MyStringIO()
def raise_something(*args, **kwargs):
raise KeyError('foo')
utils.emergency_dump_state({'foo': 'bar'}, open_file=lambda n, m: fh,
dump=raise_something)
self.assertIn("'foo': 'bar'", fh.getvalue())
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
def test_dump_second_strategy(self, stdout, stderr):
fh = MyStringIO()
def raise_something(*args, **kwargs):
raise KeyError("foo")
utils.emergency_dump_state({"foo": "bar"}, open_file=lambda n, m: fh,
dump=raise_something)
self.assertIn("'foo': 'bar'", fh.getvalue())
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
def test_dump_second_strategy(self, stdout, stderr):
fh = MyStringIO()
def raise_something(*args, **kwargs):
raise KeyError('foo')
utils.emergency_dump_state({'foo': 'bar'},
open_file=lambda n, m: fh,
dump=raise_something)
# replace at the end removes u' from repr on Py2
self.assertIn("'foo': 'bar'", fh.getvalue().replace("u'", "'"))
self.assertTrue(stderr.getvalue())
self.assertFalse(stdout.getvalue())
