无法从我的电报机器人接收图像,尝试如下操作:
import telegram
from telegram.ext import Updater
from telegram.ext import MessageHandler
from telegram.ext import Filters
def photo_handler(bot, update):
file = bot.getFile(update.message.photo.file_id)
print ("file_id: " + str(update.message.photo.file_id))
file.download('photo.jpg')
updater = Updater(token='my token')
dispatcher = updater.dispatcher
dispatcher.add_handler(MessageHandler(Filters.photo, photo_handler))
运行时没有任何错误
我用它来发送 matplotlib 生成的图像。您可以根据您的需要进行调整。
import telegram
from telegram.bot import Bot
import yachain
import cStringIO
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import numpy as np
cfg = yachain.Config().load("telegram.cfg")
token = cfg["token"]
chat_id = cfg["chatID"]
bot = Bot(token=token)
y = [2,4,6,8,10,12,14,16,18,20]
x = np.arange(10)
fig = plt.figure()
ax = plt.subplot(111)
ax.plot(x, y, label='$y = numbers')
plt.title('Legend inside')
ax.legend()
#plt.show()
buffer = cStringIO.StringIO()
fig.savefig(buffer, format='png')
buffer.seek(0)
bot.send_photo(chat_id=chat_id,
photo=buffer)
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