def remove_path_on_error(path):
"""Protect code that wants to operate on PATH atomically.
Any exception will cause PATH to be removed.
:param path: File to work with
"""
try:
yield
except Exception:
with excutils.save_and_reraise_exception():
delete_if_exists(path)
def remove_path_on_error(path):
"""Protect code that wants to operate on PATH atomically.
Any exception will cause PATH to be removed.
:param path: File to work with
"""
try:
yield
except Exception:
with excutils.save_and_reraise_exception():
delete_if_exists(path)
def __call__(self):
"""Return a co-routine which runs the task group."""
runners = [TaskRunner(t) for t in self._tasks]
try:
for r in runners:
r.start()
while runners:
yield
runners = list(itertools.dropwhile(lambda r: r.step(),
runners))
except:
with excutils.save_and_reraise_exception():
for r in runners:
r.cancel()
def __call__(self):
"""Return a co-routine which runs the task group."""
try:
while any(self._runners.itervalues()):
for k, r in self._ready():
r.start()
yield
for k, r in self._running():
if r.step():
del self._graph[k]
except:
with excutils.save_and_reraise_exception():
for r in self._runners.itervalues():
r.cancel()
def __call__(self):
"""Return a co-routine which runs the task group."""
runners = [TaskRunner(t) for t in self._tasks]
try:
for r in runners:
r.start()
while runners:
yield
runners = list(itertools.dropwhile(lambda r: r.step(),
runners))
except:
with excutils.save_and_reraise_exception():
for r in runners:
r.cancel()
def __call__(self):
"""Return a co-routine which runs the task group."""
try:
while any(self._runners.itervalues()):
for k, r in self._ready():
r.start()
yield
for k, r in self._running():
if r.step():
del self._graph[k]
except:
with excutils.save_and_reraise_exception():
for r in self._runners.itervalues():
r.cancel()
