本文整理汇总了Python中watchdog.observers.Observer.remove_handler_for_watch方法的典型用法代码示例。如果您正苦于以下问题:Python Observer.remove_handler_for_watch方法的具体用法?Python Observer.remove_handler_for_watch怎么用?Python Observer.remove_handler_for_watch使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类watchdog.observers.Observer
的用法示例。
在下文中一共展示了Observer.remove_handler_for_watch方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: WatchdogTests
# 需要导入模块: from watchdog.observers import Observer [as 别名]
# 或者: from watchdog.observers.Observer import remove_handler_for_watch [as 别名]
class WatchdogTests(unittest.TestCase):
def setUp(self):
self.events = queue.Queue()
self.observer = Observer()
self.handler = EventHandler(self.events, channel_id=5)
self.watch = self.observer.schedule(event_handler=self.handler, path=TMP_DIR)
self.observer.start()
def testEventChannelID(self):
with open(TMP_FILE, "w") as local_file:
local_file.write(string_common)
event = self.events.get(block=True, timeout=1)
self.assertEqual(event.channel_id, 5)
# Modifying the file should add a new task to the queue
def testTaskInsertion(self):
new_string = "This is a whole new line in file "+filename
with open (TMP_FILE, "w") as local_file:
local_file.write(new_string)
while True:
try:
task = self.events.get(block=True, timeout=1)
except queue.Empty:
break
self.assertEqual(task.src_path,local_dir+filename)
self.assertEqual(task.dest_path, remote_dir+filename)
# It should be possible to add a new Handler to an already scheduled watch
def testHandlerAdding(self):
fake_handle="I am a fake handler, don't mind me!"
class FakeHandler(EventHandler):
def handle_modification(self, event):
self.tasks.put(fake_handle)
fake_queue = queue.Queue()
fake_handler = FakeHandler(fake_queue)
self.observer.add_handler_for_watch(fake_handler, self.watch)
new_string = "This is a whole new line in file " + filename
with open(local_dir + filename, "w") as local_file:
local_file.write(new_string)
while True:
try:
task = fake_queue.get(block=True, timeout=1)
except queue.Empty:
break
self.assertEqual(task, fake_handle)
# A Handler blocking on one event (ex: inserting into a busy queue)
# should not prevent handling of further events
def testHandlerHanging(self):
class HangingHandler(EventHandler):
def on_any_event(self, event):
print("Handler hanging...")
time.sleep(1)
print("Handler dispatching")
super().on_any_event(event)
self.observer.remove_handler_for_watch(self.handler, self.watch)
slow_handler = HangingHandler(self.events)
self.observer.add_handler_for_watch(slow_handler, self.watch)
for i in range(5):
with open(os.path.join(TMP_DIR, "f"+str(i)), "w") as local_file:
local_file.write("Write #"+str(i))
time.sleep(0.1)
time.sleep(6)
num = len(empty_tasks(self.events))
print("[Hanging] "+str(num)+" events")
self.assertTrue(num >= 5)
# Scheduling a new watch while another one is running
# In this test, each write should set off 2 events (open+close) as seen on the next test
# However watchdog is nice enough to avoid adding similar events to its internal queue
def testNewScheduling(self):
self.assertTrue(self.events.empty()) # Queue starts off
with open(remote_dir + filename, "w") as remote_file:
remote_file.write("Going once")
self.assertRaises(queue.Empty, self.events.get, timeout=1) # No Handler is watching the file yet
handler2 = EventHandler(self.events)
self.observer.schedule(event_handler=handler2, path=remote_dir, recursive=True)
with open(remote_dir + filename, "w") as remote_file:
remote_file.write("Going twice")
l1 = empty_tasks(self.events) # Now it should work
self.assertEqual(len(l1), 1) # Single event
for task in l1:
self.assertEqual(task.src_path, remote_dir + filename)
self.assertEqual(task.dest_path, local_dir + filename)
with open(local_dir + filename, "w") as local_file:
local_file.write("Going thrice") # Writing to the local file still works
l2 = empty_tasks(self.events)
self.assertEqual(len(l2), 1) # Single event
for task in l2:
self.assertEqual(task.src_path, local_dir + filename)
self.assertEqual(task.dest_path, remote_dir + filename)
# It should be possible to remove a scheduled watch
def testWatchRemoval(self):
handler2 = EventHandler(self.events)
#.........这里部分代码省略.........