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add 'User-Agent'-header to pooch.retrieve #9782

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merged 5 commits into from
Nov 15, 2024
Merged

add 'User-Agent'-header to pooch.retrieve #9782

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e8e8bbc
add 'User-Agent'-header to pooch.retrieve
kmuehlbauer Nov 15, 2024
61af01a
try sys.modules
kmuehlbauer Nov 15, 2024
41f310d
Apply suggestions from code review
kmuehlbauer Nov 15, 2024
a7b6c57
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Nov 15, 2024
24b4ff6
add whats-new.rst entry
kmuehlbauer Nov 15, 2024
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11 changes: 10 additions & 1 deletion xarray/tutorial.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@

import os
import pathlib
import sys
from typing import TYPE_CHECKING

import numpy as np
Expand Down Expand Up @@ -157,8 +158,16 @@ def open_dataset(

url = f"{base_url}/raw/{version}/{path.name}"

def _xarray_downloader(url, output_file, xrpooch):
"""Create Downloader which adds request-headers"""
headers = {"User-Agent": f"xarray {sys.modules['xarray'].__version__}"}
https = pooch.HTTPDownloader(headers=headers)
https(url, output_file, xrpooch)
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# retrieve the file
filepath = pooch.retrieve(url=url, known_hash=None, path=cache_dir)
filepath = pooch.retrieve(
url=url, known_hash=None, path=cache_dir, downloader=_xarray_downloader
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)
ds = _open_dataset(filepath, engine=engine, **kws)
if not cache:
ds = ds.load()
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