craftbeerpi4-pione/venv/lib/python3.8/site-packages/pandas/tests/io/test_s3.py
2021-01-30 22:29:33 +01:00

48 lines
1.5 KiB
Python

from io import BytesIO
import os
import pytest
import pandas.util._test_decorators as td
from pandas import read_csv
import pandas._testing as tm
def test_streaming_s3_objects():
# GH17135
# botocore gained iteration support in 1.10.47, can now be used in read_*
pytest.importorskip("botocore", minversion="1.10.47")
from botocore.response import StreamingBody
data = [b"foo,bar,baz\n1,2,3\n4,5,6\n", b"just,the,header\n"]
for el in data:
body = StreamingBody(BytesIO(el), content_length=len(el))
read_csv(body)
@tm.network
@td.skip_if_no("s3fs")
def test_read_without_creds_from_pub_bucket():
# GH 34626
# Use Amazon Open Data Registry - https://registry.opendata.aws/gdelt
result = read_csv("s3://gdelt-open-data/events/1981.csv", nrows=3)
assert len(result) == 3
@tm.network
@td.skip_if_no("s3fs")
def test_read_with_creds_from_pub_bucke():
# Ensure we can read from a public bucket with credentials
# GH 34626
# Use Amazon Open Data Registry - https://registry.opendata.aws/gdelt
with tm.ensure_safe_environment_variables():
# temporary workaround as moto fails for botocore >= 1.11 otherwise,
# see https://github.com/spulec/moto/issues/1924 & 1952
os.environ.setdefault("AWS_ACCESS_KEY_ID", "foobar_key")
os.environ.setdefault("AWS_SECRET_ACCESS_KEY", "foobar_secret")
df = read_csv(
"s3://gdelt-open-data/events/1981.csv", nrows=5, sep="\t", header=None,
)
assert len(df) == 5