Response: Backend error. 400 Bad Request

Dear Community,

so I recently started to play around with the Python Eikon Interface. Unfortunately for my latest code, I get a Backend error: 400 Bad Request - Honestly I don't know why. Funnily, it worked two days ago ...

My goal ist to split a list I have in even chunks of 1000 values per list and then get the data. Listdf is a flat list with RICS in the proper format. Thanks in advance.

chunksize = 1000
for i in range (0, len(listdf), chunksize):
    chunk = listdf[i:i+chunksize]

list2 =[]
for i in range (0, len(listdf), chunksize):
    list2.append(ek.get_data(listdf[i:i+chunksize], ["TR.Revenue"]))

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Accepted answers

Jirapongse

If the request failed periodically, it could be timeout.

As I know, for the DataGrid service used by get_data, there is around 19 seconds' time-frame to execute the request. If it takes more than 19 seconds, it will return 400 Bad Request.

You may try to reduce the chucksize.

All comments

Jirapongse

If the request failed periodically, it could be timeout.

As I know, for the DataGrid service used by get_data, there is around 19 seconds' time-frame to execute the request. If it takes more than 19 seconds, it will return 400 Bad Request.

You may try to reduce the chucksize.

kswamy

I am facing the same issue since 2 days for trying to fetch closePrice for single day only, for list of RIC's. After few request i get the famous 400 bad request.server error whereby i reduce the chucksize drastically (tried all from 1 to 500 chunksizes) but the request keeps failing with the same error? Is there any way to reproduce this at you end and some workaround this ?

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