batch-mailer/utils.py at master · synapta/batch-mailer · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
from aiofile import async_open
import aiohttp
import asyncio

"""
Utils functions to manage attachments
"""

async def request_header(client, url):
    print('    Get attachment header: %s' % url)
    res = None
    try:
        response = await client.head(url)
        headers = response.headers
        res = {}
        res['content-type'] = headers['Content-Type']
    except Exception as err:
        res = 'Errore'
        print('    %s' % str(err))

    return {'url': url, 'response': res}


async def request(client, url):
    print('    Get attachment: %s' % url)
    res = None
    file_name = None
    try:
        res = await client.get(url)
        headers = res.headers
        content = await res.read()
        file_name = get_name_from_url(url)
        open(file_name, 'wb').write(content)
    except Exception as err:
        headers = 'Errore'
        print('    %s' % str(err))

    return {'url': url, 'file_name': file_name, 'response': res.status}


async def multi_requests(urls, req_func):
    async with aiohttp.ClientSession() as client:
        tasks = [req_func(client, url) for url in urls]
        results = await asyncio.gather(*tasks)

        return results


def get_name_from_url(url):
    return url.split('/')[-1]