here is the code
if request.method == 'POST':
hash = request.FILES['uploaded_file'].read()[:-500]
#check if a hash exists in the database
On Friday, September 6, 2019 at 5:14:35 PM UTC+5:30, Milind Yadav wrote:
>
> Hi,
>
> I am trying to receive the first 500 bytes of a file coming from
> client-side before it gets completely downloaded onto the server.
>
> I need to compute the hash value of the first 500 bytes and compare with
> hashes in database. If no match is found then resume the download i.e.
> remaining bytes are sent and the file gets saved onto the server.
>
>
> *PSEUDO-CODE:*
>
> from django.incoming.data import packets
>
> first_500 = []
>
> for packet in packets*:*
>
> if first_500.size+packet.body.size <= 500 bytes*:*
> first_500.append(packet.body)
>
> else*:*
> temp = packet.body.slice_body(500 bytes-first_500.size)
> first_500.append(temp)
> break
>
>
> This will save a lot of time and space in case a duplicate is encountered.
>
> Regards
>
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