app.py

from jinja2 import Template
import requests
import imgkit
import time
import os

BASE_DIR = os.path.dirname(os.path.abspath(__file__))

# ERROR_CODES = {
#     1: 'UNKNOWN ERROR',
#     2: 'APPLICATION NOT STARTED',
#     3: 'UNKNOWN METHOD',
#     4: 'BAD SIGN',
#     5: 'INVALID TOKEN',
#     6: 'TOO MANY REQUESTS PER SECOND',
#     7: 'PERMISSION DENIED',
#     8: 'INVALID REQUEST',
#     9: 'FLOOD CONTROL',
#     10: 'INTERNAL SERVER ERROR',
#     14: 'CAPTCHA NEEDED',
# }

with open('token') as f:
    ACCESS_TOKEN = f.read().strip()

API_VERSION = '5.92'
GROUP_ID = '164254021'


def request_to_api(method, pars):
    return requests.post('https://api.vk.com/method/{}'.format(method), params=pars).json()


def get_user_data():
    response = request_to_api('groups.getMembers', {'group_id': GROUP_ID,
                                                    'sort': 'time_desc',
                                                    'count': 1,
                                                    'fields': 'photo_200',
                                                    'v': API_VERSION,
                                                    'access_token': ACCESS_TOKEN,
                                                    })

    first_name = response['response']['items'][0]['first_name']
    last_name = response['response']['items'][0]['last_name']
    photo = response['response']['items'][0]['photo_200']
    return [first_name, last_name, photo]


def convert_html_to_image():
    with open('templates/index.html', 'r') as f:
        template = Template(f.read())

    pars = get_user_data()

    tmp = template.render(first_name=pars[0],
                          last_name=pars[1],
                          avatar=pars[2])

    with open('templates/index_tmp.html', 'w') as f:
        f.write(tmp)

    imgkit.from_file('templates/index_tmp.html', 'out.jpg')


def send_data():
    response = request_to_api('photos.getOwnerCoverPhotoUploadServer', {'group_id': GROUP_ID,
                                                                        'v': API_VERSION,
                                                                        'access_token': ACCESS_TOKEN,
                                                                        'crop_x': 0,
                                                                        'crop_y': 0,
                                                                        'crop_x2': 1590,
                                                                        'crop_y2': 400
                                                                        })

    upload_url = response['response']['upload_url']
    image_file = {'file': open('out.jpg', 'rb')}

    response = requests.post(upload_url, files=image_file).json()

    response = request_to_api('photos.saveOwnerCoverPhoto', {'hash': response['hash'],
                                                             'photo': response['photo'],
                                                             'access_token': ACCESS_TOKEN,
                                                             'v': API_VERSION})
    print(response)


if __name__ == '__main__':
    while True:
        get_user_data()
        convert_html_to_image()
        send_data()
        time.sleep(60)