How to download a csv file with aiohttp 20.10.17

return web.Response(text=o.getvalue(),content_type='text/csv',headers={'Content-Disposition': 'attachment;filename=foo.csv'})

responses are

Response

class aiohttp.web.Response(*, status=200, headers=None, content_type=None, charset=None, body=None, text=None)

The most usable response class, inherited from StreamResponse.

Accepts body argument for setting the HTTP response BODY.

The actual body sending happens in overridden write_eof().
    Parameters:

body (bytes) – response’s BODY
        status (int) – HTTP status code, 200 OK by default.
        headers (collections.abc.Mapping) – HTTP headers that should be added to response’s ones.
        text (str) – response’s BODY
        content_type (str) – response’s content type. 'text/plain' if text is passed also, 'application/octet-stream' otherwise.
        charset (str) – response’s charset. 'utf-8' if text is passed also, None otherwise.

body

Read-write attribute for storing response’s content aka BODY, bytes.

Setting body also recalculates content_length value.

Resetting body (assigning None) sets content_length to None too, dropping Content-Length HTTP header.

text

Read-write attribute for storing response’s content, represented as string, str.

Setting text also recalculates content_length value and body value

Resetting text (assigning None) sets content_length to None too, dropping Content-Length HTTP header.

http://aiohttp.readthedocs.io/en/stable/web_reference.html#aiohttp.web.Response

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How to download a csv file with aiohttp 20.10.17

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