Решение на самом деле довольно простое.
import boto3 # For read+push to S3 bucket
import pandas as pd # Reading parquets
from io import BytesIO # Converting bytes to bytes input file
import pyarrow # Fast reading of parquets
# Set up your S3 client
# Ideally your Access Key and Secret Access Key are stored in a file already
# So you don't have to specify these parameters explicitly.
s3 = boto3.client('s3',
aws_access_key_id=ACCESS_KEY_HERE,
aws_secret_access_key=SECRET_ACCESS_KEY_HERE)
# Get the path to the file
s3_response_object = s3.get_object(Bucket=BUCKET_NAME_HERE, Key=KEY_TO_GZIPPED_PARQUET_HERE)
# Read your file, i.e. convert it from a stream to bytes using .read()
df = s3_response_object['Body'].read()
# Read your file using BytesIO
df = pd.read_parquet(BytesIO(df))