Merge pull request #1233 into develop

powerline/lib/watcher/uv.py

@@ -18,15 +18,19 @@ class UvNotFound(NotImplementedError):
 
 
 pyuv = None
+pyuv_version_info = None
 
 
 def import_pyuv():
 	global pyuv
+	global pyuv_version_info
 	if not pyuv:
 		try:
 			pyuv = __import__('pyuv')
 		except ImportError:
 			raise UvNotFound
+		else:
+			pyuv_version_info = tuple((int(c) for c in pyuv.__version__.split('.')))
 
 
 class UvThread(Thread):
@@ -34,14 +38,18 @@ class UvThread(Thread):
 
 	def __init__(self, loop):
 		self.uv_loop = loop
+		self.async_handle = pyuv.Async(loop, self._async_cb)
 		super(UvThread, self).__init__()
 
+	def _async_cb(self, handle):
+		self.uv_loop.stop()
+		self.async_handle.close()
+
 	def run(self):
-		while True:
+		self.uv_loop.run()
-			self.uv_loop.run()
 
 	def join(self):
-		self.uv_loop.stop()
+		self.async_handle.send()
 		return super(UvThread, self).join()
 
 
@@ -72,18 +80,30 @@ class UvWatcher(object):
 		self.lock = RLock()
 		self.loop = start_uv_thread()
 		self.fenc = get_preferred_file_name_encoding()
+		if pyuv_version_info >= (1, 0):
+			self._start_watch = self._start_watch_1_x
+		else:
+			self._start_watch = self._start_watch_0_x
+
+	def _start_watch_1_x(self, path):
+		handle = pyuv.fs.FSEvent(self.loop)
+		handle.start(path, 0, partial(self._record_event, path))
+		self.watches[path] = handle
+
+	def _start_watch_0_x(self, path):
+		self.watches[path] = pyuv.fs.FSEvent(
+			self.loop,
+			path,
+			partial(self._record_event, path),
+			pyuv.fs.UV_CHANGE | pyuv.fs.UV_RENAME
+		)
 
 	def watch(self, path):
 		path = normpath(path, self.fenc)
 		with self.lock:
 			if path not in self.watches:
 				try:
-					self.watches[path] = pyuv.fs.FSEvent(
+					self._start_watch(path)
-						self.loop,
-						path,
-						partial(self._record_event, path),
-						pyuv.fs.UV_CHANGE | pyuv.fs.UV_RENAME
-					)
 				except pyuv.error.FSEventError as e:
 					code = e.args[0]
 					if code == pyuv.errno.UV_ENOENT: