another restructure

README.md

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+# basic_bot
+
+echo_template
+
+This bot has been created using [Bot Framework](https://dev.botframework.com), it shows how to create a simple bot that accepts input from the user and echoes it back.
+
+## Prerequisites
+
+This sample **requires** prerequisites in order to run.
+
+### Install Python 3.6
+
+## Running the sample
+- Run `pip install -r requirements.txt` to install all dependencies
+- Run `python app.py`
+
+
+## Testing the bot using Bot Framework Emulator
+
+[Bot Framework Emulator](https://github.com/microsoft/botframework-emulator) is a desktop application that allows bot developers to test and debug their bots on localhost or running remotely through a tunnel.
+
+- Install the Bot Framework Emulator version 4.3.0 or greater from [here](https://github.com/Microsoft/BotFramework-Emulator/releases)
+
+### Connect to the bot using Bot Framework Emulator
+
+- Launch Bot Framework Emulator
+- Enter a Bot URL of `http://localhost:3978/api/messages`
+
+
+## Further reading
+
+- [Bot Framework Documentation](https://docs.botframework.com)
+- [Bot Basics](https://docs.microsoft.com/azure/bot-service/bot-builder-basics?view=azure-bot-service-4.0)
+- [Dialogs](https://docs.microsoft.com/azure/bot-service/bot-builder-concept-dialog?view=azure-bot-service-4.0)
+- [Gathering Input Using Prompts](https://docs.microsoft.com/azure/bot-service/bot-builder-prompts?view=azure-bot-service-4.0&tabs=csharp)
+- [Activity processing](https://docs.microsoft.com/en-us/azure/bot-service/bot-builder-concept-activity-processing?view=azure-bot-service-4.0)
+- [Azure Bot Service Introduction](https://docs.microsoft.com/azure/bot-service/bot-service-overview-introduction?view=azure-bot-service-4.0)
+- [Azure Bot Service Documentation](https://docs.microsoft.com/azure/bot-service/?view=azure-bot-service-4.0)
+- [Azure CLI](https://docs.microsoft.com/cli/azure/?view=azure-cli-latest)
+- [Azure Portal](https://portal.azure.com)
+- [Language Understanding using LUIS](https://docs.microsoft.com/azure/cognitive-services/luis/)
+- [Channels and Bot Connector Service](https://docs.microsoft.com/azure/bot-service/bot-concepts?view=azure-bot-service-4.0)

app.py

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+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+import sys
+import traceback
+from datetime import datetime
+
+from aiohttp import web
+from aiohttp.web import Request, Response, json_response
+from botbuilder.core import (
+    BotFrameworkAdapter,
+    BotFrameworkAdapterSettings,
+    ConversationState,
+    MemoryStorage,
+    TurnContext,
+    UserState,
+)
+from botbuilder.core.integration import aiohttp_error_middleware
+from botbuilder.schema import Activity, ActivityTypes
+
+from bot import MyBot
+from config import DefaultConfig
+
+CONFIG = DefaultConfig()
+
+# Create adapter.
+# See https://aka.ms/about-bot-adapter to learn more about how bots work.
+SETTINGS = BotFrameworkAdapterSettings(CONFIG.APP_ID, CONFIG.APP_PASSWORD)
+ADAPTER = BotFrameworkAdapter(SETTINGS)
+
+# Catch-all for errors.
+async def on_error(context: TurnContext, error: Exception):
+    # This check writes out errors to console log .vs. app insights.
+    # NOTE: In production environment, you should consider logging this to Azure
+    #       application insights.
+    print(f"\n [on_turn_error] unhandled error: {error}", file=sys.stderr)
+    traceback.print_exc()
+
+    # Send a message to the user
+    await context.send_activity("The bot encountered an error or bug.")
+    await context.send_activity(
+        "To continue to run this bot, please fix the bot source code."
+    )
+    # Send a trace activity if we're talking to the Bot Framework Emulator
+    if context.activity.channel_id == "emulator":
+        # Create a trace activity that contains the error object
+        trace_activity = Activity(
+            label="TurnError",
+            name="on_turn_error Trace",
+            timestamp=datetime.utcnow(),
+            type=ActivityTypes.trace,
+            value=f"{error}",
+            value_type="https://www.botframework.com/schemas/error",
+        )
+        # Send a trace activity, which will be displayed in Bot Framework Emulator
+        await context.send_activity(trace_activity)
+
+
+ADAPTER.on_turn_error = on_error
+
+# where the memory goes
+memory = MemoryStorage()
+user_state = UserState(memory)
+conversation_state = ConversationState(memory)
+
+# Create the Bot
+BOT = MyBot(user_state, conversation_state)
+
+
+# Listen for incoming requests on /api/messages
+async def messages(req: Request) -> Response:
+    # Main bot message handler.
+    if "application/json" in req.headers["Content-Type"]:
+        body = await req.json()
+    else:
+        return Response(status=415)
+
+    activity = Activity().deserialize(body)
+    auth_header = req.headers["Authorization"] if "Authorization" in req.headers else ""
+
+    response = await ADAPTER.process_activity(activity, auth_header, BOT.on_turn)
+    if response:
+        return json_response(data=response.body, status=response.status)
+    return Response(status=201)
+
+
+APP = web.Application(middlewares=[aiohttp_error_middleware])
+APP.router.add_post("/api/messages", messages)
+
+if __name__ == "__main__":
+    try:
+        web.run_app(APP, host="localhost", port=CONFIG.PORT)
+    except Exception as error:
+        raise error