向 Telegram 发送图像时出现 'Request Entity Too Large' 错误的原因是什么？

Question

文件大小：51.2 KB 正在尝试发送：

>>> send_img_url = 'https://api.telegram.org/botXXXXXXXXXXXXXXXXXXXXX/sendPhoto'
>>> img_name = 'C:/Users/Administrator/Downloads/WhatsApp Image 2019-05-30 at 20.54.40.jpeg'
>>> r = requests.post(send_img_url, data={'chat_id': '-351543550', 'photo': open(img_name, 'rb')})
>>> r
<Response [413]>
>>> r.reason
'Request Entity Too Large'
>>> r.content
b''
>>>

我也尝试了一些其他请求，例如：

photo = open(('C:/Users/Administrator/Downloads/WhatsAppImage.jpeg').encode('utf-8'), 'rb')
r = requests.post(send_img_url, data={'chat_id': '-351543550', 'photo': photo})

和：

 with io.open('C:/Users/Administrator/Downloads/WhatsAppImage.jpeg', encoding='utf-8', errors='ignore') as f:
    r = requests.post(send_img_url, data={'chat_id': '-351543550', 'photo': f})

最后一个选项给我下一个错误：

>>> r
<Response [400]>
>>> r.reason
'Bad Request'

Answer 1

你可能做错了。

正如 Bot API 文档所说：

Post the file using multipart/form-data in the usual way that files are uploaded via the browser. 10 MB max size for photos, 50 MB for other files.

In requests lib，通过使用 data= 关键字参数，您使用 form-encoded 类型发送有效负载，而不是 multipart/form-data.

试着这样提出你的要求：

import requests


chat_id = '-351543550'
url = 'https://api.telegram.org/botXXXXXXXXXXXXXXX/sendPhoto?chat_id={}'.format(chat_id)
filepath = 'C:\correct\path\to\your\file.jpg'
r = requests.post(url, files={"photo": open(filepath, 'rb')})  # note: files, not data
print(r.status_code)

P.S.: 您也可以使用

将 chat_id 作为 form-encoded 参数发送

url = 'https://api.telegram.org/botXXXXXXXXXXXXXXX/sendPhoto'
...
r = requests.post(url, data={'chat_id': '-351543550'}, files={"photo": open(filepath, 'rb')})

Answer 2

在我的例子中，由于西里尔文文件名，Ivan Vinogradov 提出的解决方案不起作用。将路径更改为拉丁语修复了它。

向 Telegram 发送图像时出现 'Request Entity Too Large' 错误的原因是什么？

What makes the 'Request Entity Too Large' error when sending an image to Telegram?

python

python-3.x

python-requests

telegram

telegram-bot