pandas.read_csv uses only utf-8 encoding for django file upload

Question

I'm testing django using file uploads. Was facing a strange issue, when despide which encoding I choose, I'm always getting same error message that pandas is trying to decode with UTF-8

pd.read_csv(file, encoding="cp1257")

getting

*** UnicodeDecodeError: 'utf-8' codec can't decode byte 0xeb in position 6: unexpected end of data

Same for various different encodings, engines.

What isfile? Make a minimal reproducible example

Mark Tolonen
– Mark Tolonen

2025-10-22 15:21:22 +00:00
Commented Oct 22 at 15:21 — Mark Tolonen
– Mark Tolonen, Commented Oct 22 at 15:21

Aidas · Accepted Answer · 2025-10-21 14:29:22Z

2

The problem seems to be solved with

import io
pd.read_csv(io.BytesIO(file.read()), encoding="cp1257")

answered Oct 21 at 14:29

Aidas

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