How to send file to Telegram bot via HTTP?

Question

I want to send file via http Telegram API and try this code :

def send_media(self, chat_id, doc):
    method = 'sendDocument'
    params = {'chat_id': chat_id, 'document': doc}
    resp = requests.post(self.api_url + method, params)
    return resp
 document = open('table.csv', 'rb')
 doc = InputFile(document)
 bot.send_media(last_chat_id, doc).json()
 document.close()

And have such error on request:

 {'ok': False, 'error_code': 400, 'description': 'Bad Request: wrong URL host'}

What should i do to send a file?

Mysterion · Accepted Answer · 2019-02-21 14:42:14Z

5

The problem here is a wrong usage of requests library, if you’re sending multipart/form-data and files you should use parameter files.

E.g.

requests.post(self.api_url + method, data={'chat_id': chat_id}, files={'document': document})

The link to the documentation - http://docs.python-requests.org/en/master/user/quickstart/#post-a-multipart-encoded-file

edited Feb 21, 2019 at 14:42

answered Feb 21, 2019 at 14:30

Mysterion

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Comments

Serhei · Accepted Answer · 2022-12-26 12:27:37Z

Decided to write it in addition to the top answer, as it helped me, but as I'm noob it took some time for me to understand. So I hope my example of code will help to save the time for those, who will try to solve the same issue:

document = open("<filename, like: 'test.txt'>", "rb")
url = f"https://api.telegram.org/bot{YOUR_BOT_TOKEN}/sendDocument"
response = requests.post(url, data={'chat_id': chat_id}, files={'document': document})
# part below, just to make human readable response for such noobies as I
content = response.content.decode("utf8")
js = json.loads(content)
print(js)

Example of response:

{'ok': True, 'result': {'message_id': 865, 'from': {'id': 111111, 'is_bot': True, 'first_name': 'BotName', 'username': 'LongBotName'}, 'chat': {'id': 111111, 'first_name': 'Name', 'last_name': 'Surname', 'username': 'user', 'type': 'private'}, 'date': 1672056973, 'document': {'file_name': 'test.txt', 'mime_type': 'text/plain', 'file_id': 'BQACAgIAAxkDAAIDYWOpkI1wkcuXMTy8hlob6Vr46UFxAALLJAACG1pJSX0tj7Ubt_sTLAQ', 'file_unique_id': 'AgADyyQAAhtaSUk', 'file_size': 239}}}

As a result bot sent our file to the user by chat_id that we've specified

Also important note: file, that you want to send must be in the same location as .py file that executes this code

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