Rename examples. (added deprecated prefix for steps and old FSM examples)

examples/deprecated_state_machine.py

@@ -0,0 +1,91 @@
+import asyncio
+
+from aiogram import Bot, types
+from aiogram.dispatcher import Dispatcher
+from aiogram.dispatcher.state import StateMachine, Controller
+
+API_TOKEN = 'BOT TOKEN HERE'
+
+loop = asyncio.get_event_loop()
+bot = Bot(token=API_TOKEN, loop=loop)
+dp = Dispatcher(bot)
+
+
+@dp.message_handler(commands=['start'])
+async def send_welcome(message: types.Message):
+    """
+    Entry point to conversation 
+    """
+    await message.reply("Hi there! What's your name?")
+
+    # Set state
+    # This method lock all messages from user and all messages will be redirected to next step handler in state machine
+    state.set_state(message.chat.id, message.from_user.id, "name")
+
+
+async def process_name(message: types.Message, controller: Controller):
+    """
+    Process user name
+    """
+    # Save name to storage
+    controller["name"] = message.text
+
+    await message.reply("How old are you?")
+
+    # Go to next state
+    controller.set_state('age')
+
+
+async def process_age(message: types.Message, controller: Controller):
+    # Check age. Age must be is digit
+    if not message.text.isdigit():
+        return await message.reply("Age should be a number.\nHow old are you?")
+
+    # Save age to storage
+    controller["age"] = int(message.text)
+
+    # Configure ReplyKeyboardMarkup
+    markup = types.ReplyKeyboardMarkup()
+    markup.add("Male", "Female")
+    markup.add("Other")
+
+    await message.reply("What is your gender?", reply_markup=markup)
+
+    # Go to next state
+    controller.set_state("sex")
+
+
+async def process_sex(message: types.Message, controller: Controller):
+    # Check reply
+    if message.text not in ["Male", "Female", "Other"]:
+        return await message.reply("Bad gender name. Choose you gender from keyboard.")
+
+    # Save sex to storage
+    controller["sex"] = message.text
+
+    # Remove keyboard
+    markup = types.ReplyKeyboardRemove()
+    # And send message
+    await bot.send_message(message.chat.id,
+                           f"Hi!\n"
+                           f"Nice to meet you, {controller['name']}.\n"
+                           f"Age: {controller['age']}\n"
+                           f"Sex: {controller['sex']}",
+                           reply_markup=markup)
+
+    # Finish conversation
+    controller.clear()
+
+
+# Configure state machine
+state = StateMachine(dp, {
+    "name": process_name,
+    "age": process_age,
+    "sex": process_sex
+})
+
+if __name__ == '__main__':
+    try:
+        loop.run_until_complete(dp.start_pooling())
+    except KeyboardInterrupt:
+        loop.stop()