Add week 2 materials

2026-09-14 14:45:31 +03:00
parent e29c7eb39e
commit 73a65e0855
34 changed files with 1824 additions and 0 deletions
@@ -0,0 +1,9 @@
+FROM python:3.12-slim
+
+COPY requirements.txt requirements.txt
+
+RUN pip install -r requirements.txt
+
+COPY . .
+
+CMD ["python", "./client.py"] 
@@ -0,0 +1,24 @@
+import grpc
+import os
+import time
+
+import queue_pb2
+import queue_pb2_grpc
+
+
+def request_generator():
+    for i in range(5):
+        yield queue_pb2.PushRequest(value=queue_pb2.Value(payload=i))
+
+
+if __name__ == '__main__':
+    server_addr = os.getenv('SERVER_ADDR', 'localhost:51000')
+    with grpc.insecure_channel(server_addr) as channel:
+        stub = queue_pb2_grpc.QueueStub(channel)
+        stub.Push(queue_pb2.PushRequest(value=queue_pb2.Value(payload=100)))
+        response = stub.Pop(queue_pb2.PopRequest())
+        print(f'Pop returned payload={response.value.payload}, updated_at={response.value.updated_at.ToDatetime()}')
+        time.sleep(1)
+        stub.PushMany(request_generator())
+        for response in stub.Drain(queue_pb2.DrainRequest()):
+            print(f'Drain returned payload={response.value.payload}, updated_at={response.value.updated_at.ToDatetime()}')
@@ -0,0 +1,34 @@
+syntax = "proto3";
+
+package queue;
+
+import "google/protobuf/timestamp.proto";
+
+service Queue {
+  rpc Push(PushRequest) returns (PushResponse);
+  rpc PushMany(stream PushRequest) returns (PushResponse);
+  rpc Pop(PopRequest) returns (PopResponse);
+  rpc Drain(DrainRequest) returns (stream PopResponse);
+}
+
+message Value {
+  uint64 payload = 1;
+  optional google.protobuf.Timestamp updated_at = 2;
+}
+
+message PushRequest {
+  Value value = 1;
+}
+
+message PushResponse {
+}
+
+message PopRequest {
+}
+
+message PopResponse {
+  optional Value value = 1;
+}
+
+message DrainRequest {
+}
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: queue.proto
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+from google.protobuf import timestamp_pb2 as google_dot_protobuf_dot_timestamp__pb2
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0bqueue.proto\x12\x05queue\x1a\x1fgoogle/protobuf/timestamp.proto\"\\\n\x05Value\x12\x0f\n\x07payload\x18\x01 \x01(\x04\x12\x33\n\nupdated_at\x18\x02 \x01(\x0b\x32\x1a.google.protobuf.TimestampH\x00\x88\x01\x01\x42\r\n\x0b_updated_at\"*\n\x0bPushRequest\x12\x1b\n\x05value\x18\x01 \x01(\x0b\x32\x0c.queue.Value\"\x0e\n\x0cPushResponse\"\x0c\n\nPopRequest\"9\n\x0bPopResponse\x12 \n\x05value\x18\x01 \x01(\x0b\x32\x0c.queue.ValueH\x00\x88\x01\x01\x42\x08\n\x06_value\"\x0e\n\x0c\x44rainRequest2\xd1\x01\n\x05Queue\x12/\n\x04Push\x12\x12.queue.PushRequest\x1a\x13.queue.PushResponse\x12\x35\n\x08PushMany\x12\x12.queue.PushRequest\x1a\x13.queue.PushResponse(\x01\x12,\n\x03Pop\x12\x11.queue.PopRequest\x1a\x12.queue.PopResponse\x12\x32\n\x05\x44rain\x12\x13.queue.DrainRequest\x1a\x12.queue.PopResponse0\x01\x62\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'queue_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+
+  DESCRIPTOR._options = None
+  _globals['_VALUE']._serialized_start=55
+  _globals['_VALUE']._serialized_end=147
+  _globals['_PUSHREQUEST']._serialized_start=149
+  _globals['_PUSHREQUEST']._serialized_end=191
+  _globals['_PUSHRESPONSE']._serialized_start=193
+  _globals['_PUSHRESPONSE']._serialized_end=207
+  _globals['_POPREQUEST']._serialized_start=209
+  _globals['_POPREQUEST']._serialized_end=221
+  _globals['_POPRESPONSE']._serialized_start=223
+  _globals['_POPRESPONSE']._serialized_end=280
+  _globals['_DRAINREQUEST']._serialized_start=282
+  _globals['_DRAINREQUEST']._serialized_end=296
+  _globals['_QUEUE']._serialized_start=299
+  _globals['_QUEUE']._serialized_end=508
+# @@protoc_insertion_point(module_scope)
@@ -0,0 +1,38 @@
+from google.protobuf import timestamp_pb2 as _timestamp_pb2
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from typing import ClassVar as _ClassVar, Mapping as _Mapping, Optional as _Optional, Union as _Union
+
+DESCRIPTOR: _descriptor.FileDescriptor
+
+class Value(_message.Message):
+    __slots__ = ["payload", "updated_at"]
+    PAYLOAD_FIELD_NUMBER: _ClassVar[int]
+    UPDATED_AT_FIELD_NUMBER: _ClassVar[int]
+    payload: int
+    updated_at: _timestamp_pb2.Timestamp
+    def __init__(self, payload: _Optional[int] = ..., updated_at: _Optional[_Union[_timestamp_pb2.Timestamp, _Mapping]] = ...) -> None: ...
+
+class PushRequest(_message.Message):
+    __slots__ = ["value"]
+    VALUE_FIELD_NUMBER: _ClassVar[int]
+    value: Value
+    def __init__(self, value: _Optional[_Union[Value, _Mapping]] = ...) -> None: ...
+
+class PushResponse(_message.Message):
+    __slots__ = []
+    def __init__(self) -> None: ...
+
+class PopRequest(_message.Message):
+    __slots__ = []
+    def __init__(self) -> None: ...
+
+class PopResponse(_message.Message):
+    __slots__ = ["value"]
+    VALUE_FIELD_NUMBER: _ClassVar[int]
+    value: Value
+    def __init__(self, value: _Optional[_Union[Value, _Mapping]] = ...) -> None: ...
+
+class DrainRequest(_message.Message):
+    __slots__ = []
+    def __init__(self) -> None: ...
@@ -0,0 +1,165 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+import queue_pb2 as queue__pb2
+
+
+class QueueStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.Push = channel.unary_unary(
+                '/queue.Queue/Push',
+                request_serializer=queue__pb2.PushRequest.SerializeToString,
+                response_deserializer=queue__pb2.PushResponse.FromString,
+                )
+        self.PushMany = channel.stream_unary(
+                '/queue.Queue/PushMany',
+                request_serializer=queue__pb2.PushRequest.SerializeToString,
+                response_deserializer=queue__pb2.PushResponse.FromString,
+                )
+        self.Pop = channel.unary_unary(
+                '/queue.Queue/Pop',
+                request_serializer=queue__pb2.PopRequest.SerializeToString,
+                response_deserializer=queue__pb2.PopResponse.FromString,
+                )
+        self.Drain = channel.unary_stream(
+                '/queue.Queue/Drain',
+                request_serializer=queue__pb2.DrainRequest.SerializeToString,
+                response_deserializer=queue__pb2.PopResponse.FromString,
+                )
+
+
+class QueueServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def Push(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def PushMany(self, request_iterator, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def Pop(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def Drain(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_QueueServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'Push': grpc.unary_unary_rpc_method_handler(
+                    servicer.Push,
+                    request_deserializer=queue__pb2.PushRequest.FromString,
+                    response_serializer=queue__pb2.PushResponse.SerializeToString,
+            ),
+            'PushMany': grpc.stream_unary_rpc_method_handler(
+                    servicer.PushMany,
+                    request_deserializer=queue__pb2.PushRequest.FromString,
+                    response_serializer=queue__pb2.PushResponse.SerializeToString,
+            ),
+            'Pop': grpc.unary_unary_rpc_method_handler(
+                    servicer.Pop,
+                    request_deserializer=queue__pb2.PopRequest.FromString,
+                    response_serializer=queue__pb2.PopResponse.SerializeToString,
+            ),
+            'Drain': grpc.unary_stream_rpc_method_handler(
+                    servicer.Drain,
+                    request_deserializer=queue__pb2.DrainRequest.FromString,
+                    response_serializer=queue__pb2.PopResponse.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'queue.Queue', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class Queue(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def Push(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/queue.Queue/Push',
+            queue__pb2.PushRequest.SerializeToString,
+            queue__pb2.PushResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def PushMany(request_iterator,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.stream_unary(request_iterator, target, '/queue.Queue/PushMany',
+            queue__pb2.PushRequest.SerializeToString,
+            queue__pb2.PushResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def Pop(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/queue.Queue/Pop',
+            queue__pb2.PopRequest.SerializeToString,
+            queue__pb2.PopResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def Drain(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_stream(request, target, '/queue.Queue/Drain',
+            queue__pb2.DrainRequest.SerializeToString,
+            queue__pb2.PopResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
@@ -0,0 +1,3 @@
+grpcio==1.66.1
+grpcio-tools==1.66.1
+protobuf==5.28.1