Created
July 19, 2016 16:50
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Telegram bot takes a photo using a pi camera and replies back running on Raspberry Pi
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import sys | |
import asyncio | |
import telepot | |
from telepot.aio.delegate import per_chat_id, create_open | |
import picam | |
""" | |
$ python3.5 countera.py <token> | |
Counts number of messages a user has sent. Starts over if silent for 10 seconds. | |
Illustrates the basic usage of `DelegateBot` and `ChatHandler`. | |
""" | |
class MessageCounter(telepot.aio.helper.ChatHandler): | |
def __init__(self, seed_tuple, timeout): | |
super(MessageCounter, self).__init__(seed_tuple, timeout) | |
async def on_chat_message(self, msg): | |
content_type, chat_type, chat_id = telepot.glance(msg) | |
await bot.sendChatAction(chat_id, 'upload_photo') | |
temp_pic = picam.make_temp_image() | |
result = await bot.sendPhoto(chat_id, open(temp_pic, 'rb')) | |
#file_id = result['photo'][0]['file_id'] | |
#await self.sender.sendMessage(self._count) | |
picam.delete_file(temp_pic) | |
TOKEN = sys.argv[1] # get token from command-line | |
bot = telepot.aio.DelegatorBot(TOKEN, [ | |
(per_chat_id(), create_open(MessageCounter, timeout=10)), | |
]) | |
loop = asyncio.get_event_loop() | |
loop.create_task(bot.message_loop()) | |
print('Listening ...') | |
loop.run_forever() |
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import time | |
import picamera | |
import datetime | |
import os | |
def make_temp_image(): | |
cur_time = datetime.datetime.now() | |
with picamera.PiCamera() as camera: | |
camera.resolution = (800, 600) | |
camera.rotation = 180 | |
camera.start_preview() | |
# Camera warm-up time | |
time.sleep(2) | |
photo_path = 'data/{}.jpg'.format(str(cur_time)) | |
camera.capture(photo_path) | |
return photo_path | |
def delete_file(path): | |
os.remove(path) |
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