Move RateLimiter to decorators

lib/tfw/components/decorators/__init__.py

@@ -0,0 +1 @@
+from .rate_limiter import RateLimiter

lib/tfw/components/decorators/rate_limiter.py

@@ -0,0 +1,22 @@
+from functools import wraps
+from time import time, sleep
+
+
+class RateLimiter:
+    def __init__(self, rate_per_second):
+        self.min_interval = 1 / float(rate_per_second)
+        self.last_call = time()
+
+    def __call__(self, fun):
+        @wraps(fun)
+        def wrapper(*args, **kwargs):
+            self._limit_rate()
+            fun(*args, **kwargs)
+        return wrapper
+
+    def _limit_rate(self):
+        since_last_call = time() - self.last_call
+        to_next_call = self.min_interval - since_last_call
+        self.last_call = time()
+        if to_next_call > 0:
+            sleep(to_next_call)

lib/tfw/components/directory_monitor.py

@@ -2,13 +2,12 @@ from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
 
 from tfw.networking.event_handlers.server_connector import ServerUplinkConnector
-from tfw.util import RateLimiter
+from tfw.components.decorators import RateLimiter
 
 from tfw.config.logs import logging
 log = logging.getLogger(__name__)
 
 
-
 class WebideReloadEventHandler(FileSystemEventHandler):
     def __init__(self):
         super().__init__()

lib/tfw/util.py

@@ -1,7 +1,3 @@
-from time import time, sleep
-from functools import wraps
-
-
 def create_source_code_response_data(filename, content, language):
     return {
         'filename': filename,
@@ -10,21 +6,3 @@ def create_source_code_response_data(filename, content, language):
     }
 
 
-class RateLimiter:
-    def __init__(self, rate_per_second):
-        self.min_interval = 1 / float(rate_per_second)
-        self.last_call = time()
-
-    def __call__(self, fun):
-        @wraps(fun)
-        def wrapper(*args, **kwargs):
-            self._limit_rate()
-            fun(*args, **kwargs)
-        return wrapper
-
-    def _limit_rate(self):
-        since_last_call = time() - self.last_call
-        to_next_call = self.min_interval - since_last_call
-        self.last_call = time()
-        if to_next_call > 0:
-            sleep(to_next_call)