grpc

.gitignore

@@ -119,3 +119,5 @@ GitHub.sublime-settings
 .history
 
 local_platform.json
+
+*pb2*

Dockerfile

@@ -4,5 +4,6 @@ WORKDIR /usr/src/app
 COPY requirements.txt requirements.txt
 RUN pip install -r requirements.txt
 COPY . .
+RUN make gen
 ENV PYTHONUNBUFFERED 1
 ENTRYPOINT ["python", "main.py"]

Makefile

@@ -0,0 +1,2 @@
+gen:
+	python -m grpc_tools.protoc --proto_path schemas --python_out=. --pyi_out=. --grpc_python_out=. ./schemas/tasks.proto

daemons/base.py

@@ -1,3 +1,18 @@
+import os
+import grpc
+import tasks_pb2_grpc
+
+
+stage = os.getenv("STAGE", 'local')
+if stage == 'local':
+    QUEUES_URL = 'localhost:50051'
+else:
+    QUEUES_URL = 'queues-grpc:50051'
+
+
 class Daemon:
+    def __init__(self):
+        self.channel = grpc.insecure_channel(QUEUES_URL)
+        self.stub = tasks_pb2_grpc.TasksStub(channel=self.channel)     
     def execute(self):
         raise NotImplemented

daemons/mailbox.py

@@ -23,12 +23,6 @@ class Daemon(base.Daemon, queues.TasksHandlerMixin):
     def queue_name(self):
         return 'botalka_mailbox'
     
-    def before_execute(self, task: dict):
-        locks.acquire(task['id'])
-
-    def after_execute(self, task: dict):
-        locks.release(task['id'])
-    
     def process(self, payload: dict):
         message = Message.model_validate(payload)
         bot = platform.platform_client.get_config('bots')[message.project][message.name]

daemons/poll.py

@@ -47,7 +47,7 @@ class Daemon(base.Daemon):
     def start_polling(self, bot: telebot.TeleBot, queue: str) -> threading.Thread:
         @bot.message_handler(content_types=['audio', 'photo', 'voice', 'video', 'document', 'animation', 'text', 'location', 'contact', 'sticker', 'video_note'])
         def do_action(message: telebot.types.Message):
-            queues.set_task(queue, message.json, 1)
+            queues.set_task(self.stub, queue, message.json, 1)
         thread = threading.Thread(target=bot.polling)
         thread.start()
         return thread

requirements.txt

@@ -1,10 +1,14 @@
 annotated-types==0.7.0
 certifi==2024.8.30
 charset-normalizer==3.4.0
+grpcio==1.68.1
+grpcio-tools==1.68.1
 idna==3.10
+protobuf==5.29.1
 pydantic==2.10.2
 pydantic_core==2.27.1
 pyTelegramBotAPI==4.1.1
 requests==2.32.3
+setuptools==75.6.0
 typing_extensions==4.12.2
 urllib3==2.2.3

schemas/tasks.proto

@@ -0,0 +1,40 @@
+syntax = "proto3";
+
+package queues;
+
+import "google/protobuf/struct.proto";
+
+service Tasks {
+    rpc Put (PutRequest) returns (EmptyResponse) {}
+
+    rpc Take (TakeRequest) returns (TakeResponse) {}
+
+    rpc Finish (FinishRequest) returns (EmptyResponse) {}
+}
+
+message Task {
+    string id = 1;
+    int64 attempt = 2;
+    google.protobuf.Struct payload = 3;
+}
+
+message PutRequest {
+    string queue = 1;
+    int64 seconds_to_execute = 2;
+    optional int64 delay = 3;
+    google.protobuf.Struct payload = 4;
+}
+
+message TakeRequest {
+    string queue = 1;
+}
+
+message FinishRequest {
+    string id = 1;
+}
+
+message EmptyResponse {}
+
+message TakeResponse {
+    optional Task task = 1;
+}

utils/locks.py

@@ -1,27 +0,0 @@
-import requests
-
-
-LOCKS_URL = 'http://locks'
-
-
-class Conflict(Exception):
-    pass
-
-
-def acquire(name: str, ttl: int = 1):
-    resp = requests.post(f'{LOCKS_URL}/api/v1/acquire', json={
-        'name': name,
-        'ttl': ttl,
-    })
-    if resp.status_code == 409:
-        raise Conflict
-    if resp.status_code != 202:
-        raise Exception
-
-
-def release(name: str):
-    resp = requests.post(f'{LOCKS_URL}/api/v1/release', json={
-        'name': name,
-    })
-    if resp.status_code != 202:
-        raise Exception

utils/queues.py

@@ -1,13 +1,6 @@
-import os
-import requests
 import time
-
+import tasks_pb2_grpc
-
+import tasks_pb2
-stage = os.getenv("STAGE", 'local')
-if stage == 'local':
-    QUEUES_URL = 'http://localhost:1239'
-else:
-    QUEUES_URL = 'http://queues:1239'
 
 
 class QueuesException(Exception):
@@ -17,30 +10,20 @@ class QueuesException(Exception):
 class TasksHandlerMixin:
     def poll(self):
         while True:
-            response = requests.get(f'{QUEUES_URL}/api/v1/take', headers={'queue': self.queue_name}).json()
+            response: tasks_pb2.TakeResponse = self.stub.Take(tasks_pb2.TakeRequest(self.queue_name))
-            task = response.get('task')
+            task: tasks_pb2.Task = response.task
             if not task:
                 time.sleep(0.2)
                 continue
             try:
-                self.before_execute(task)
+                self.process(task.payload)
-                self.process(task['payload'])
             except Exception as exc:
                 print(f'Error processing message id={task["id"]}, payload={task["payload"]}, exc={exc}')
                 continue
             try:
-                resp = requests.post(f'{QUEUES_URL}/api/v1/finish', json={'id': task['id']})
+                self.stub.Finish(tasks_pb2.FinishRequest(task.id))
-                if resp.status_code != 202:
-                    raise QueuesException
-                self.after_execute(task)
             except:
-                print(f'Failed to finish task id={task["id"]}')
+                print(f'Failed to finish task id={task.id}')
-
-    def before_execute(self, task: dict):
-        pass
-
-    def after_execute(self, task: dict):
-        pass
 
     @property
     def queue_name(self):
@@ -49,12 +32,12 @@ class TasksHandlerMixin:
     def process(self, payload):
         raise NotImplemented
 
-
+def set_task(stub: tasks_pb2_grpc.TasksStub, queue_name: str, payload: dict, seconds_to_execute: int, delay: int|None = None):
-def set_task(queue_name: str, payload: dict, seconds_to_execute: int, delay: int|None = None):
+    stub.Put(
-    resp = requests.post(f'{QUEUES_URL}/api/v1/put', headers={'queue': queue_name}, json={
+        tasks_pb2.PutRequest(
-        'payload': payload,
+            queue=queue_name, 
-        'seconds_to_execute': seconds_to_execute,
+            seconds_to_execute=seconds_to_execute, 
-        'delay': delay,
+            delay=delay, 
-    })
+            payload=payload
-    if resp.status_code != 202:
+        )
-        raise QueuesException
+    )