Source code for satpy.demo.fci

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2021 Satpy developers
# This file is part of satpy.
# satpy is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
# satpy is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with
# satpy.  If not, see <>.
"""Demo FCI data download."""

import pathlib
import tarfile
import tempfile

from satpy import config

from . import utils

_fci_uncompressed_nominal = (

[docs]def download_fci_test_data(base_dir=None): """Download FCI test data. Download the nominal FCI test data from July 2020. """ subdir = get_fci_test_data_dir(base_dir=base_dir) with tempfile.TemporaryDirectory() as td: nm = pathlib.Path(td) / "fci-test-data.tar.gz" utils.download_url(_fci_uncompressed_nominal, nm) return _unpack_tarfile_to(nm, subdir)
[docs]def get_fci_test_data_dir(base_dir=None): """Get directory for FCI test data.""" base_dir = base_dir or config.get("demo_data_dir", ".") return pathlib.Path(base_dir) / "fci" / "test_data"
def _unpack_tarfile_to(filename, subdir): """Unpack content of tarfile in filename to subdir.""" with, mode="r:gz") as tf: contents = tf.getnames() tf.extractall(path=subdir) return contents