Moved `get_message_response` to `platypush.utils`.

It is general-purpose enough to be used by all the integrations, not
only by the HTTP backend.

platypush/backend/http/app/utils/__init__.py

@@ -4,7 +4,7 @@ from .auth import (
     authenticate_user_pass,
     get_auth_status,
 )
-from .bus import bus, get_message_response, send_message, send_request
+from .bus import bus, send_message, send_request
 from .logger import logger
 from .routes import (
     get_http_port,
@@ -25,7 +25,6 @@ __all__ = [
     'get_http_port',
     'get_ip_or_hostname',
     'get_local_base_url',
-    'get_message_response',
     'get_remote_base_url',
     'get_routes',
     'get_streaming_routes',

platypush/backend/http/app/utils/bus.py

@@ -1,11 +1,9 @@
-from redis import Redis
-
 from platypush.bus.redis import RedisBus
 from platypush.config import Config
 from platypush.context import get_backend
 from platypush.message import Message
 from platypush.message.request import Request
-from platypush.utils import get_redis_conf, get_redis_queue_name_by_message
+from platypush.utils import get_redis_conf, get_message_response
 
 from .logger import logger
 
@@ -67,24 +65,3 @@ def send_request(action, wait_for_response=True, **kwargs):
         msg['args'] = kwargs
 
     return send_message(msg, wait_for_response=wait_for_response)
-
-
-def get_message_response(msg):
-    """
-    Get the response to the given message.
-
-    :param msg: The message to get the response for.
-    :return: The response to the given message.
-    """
-    redis = Redis(**bus().redis_args)
-    redis_queue = get_redis_queue_name_by_message(msg)
-    if not redis_queue:
-        return None
-
-    response = redis.blpop(redis_queue, timeout=60)
-    if response and len(response) > 1:
-        response = Message.build(response[1])
-    else:
-        response = None
-
-    return response

platypush/utils/__init__.py

@@ -662,4 +662,27 @@ def is_root() -> bool:
     return os.getuid() == 0
 
 
+def get_message_response(msg):
+    """
+    Get the response to the given message.
+
+    :param msg: The message to get the response for.
+    :return: The response to the given message.
+    """
+    from platypush.message import Message
+
+    redis = get_redis()
+    redis_queue = get_redis_queue_name_by_message(msg)
+    if not redis_queue:
+        return None
+
+    response = redis.blpop(redis_queue, timeout=60)
+    if response and len(response) > 1:
+        response = Message.build(response[1])
+    else:
+        response = None
+
+    return response
+
+
 # vim:sw=4:ts=4:et: