sendany.py

import requests
import base64
from lxml import etree
import json
import hashlib
from io import StringIO

# specify user id
USER_ID = "w5YcMrssXv"

# create base64 uri
data = base64.b64encode(open("img.png", "rb").read()).decode("UTF-8")
uri = "data:image/png;base64,"+data
sha256 = hashlib.sha256(uri.encode("UTF-8")).hexdigest()
uri += "|"+sha256


# create session
s = requests.Session()
data = s.get("https://drawme.share-on.me/"+USER_ID, 
            headers={"User-Agent":"Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0"}).content

# parse csrf token from html
parser = etree.HTMLParser()
tree = etree.parse(StringIO(data.decode("UTF-8")), parser)
csrf = tree.xpath('//*[@id="csrf_token"]')[0].get("value")

#print(csrf)

# send the drawing
print(s.post("https://drawme.share-on.me/drawing/senddrawing", 
json={
    "drawing": uri,
    "user_id": USER_ID
}, headers={
    "X-CSRF-TOKEN": csrf,
    "User-Agent":"Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0",
    "Content-Type": "application/json",
    "Origin": "https://drawme.share-on.me",
    "Referer":"https://drawme.share-on.me/"+USER_ID,
}).content)