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# Copyright (c) 2020--2022 Stefan Bender |
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# |
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# This module is part of pyspaceweather. |
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# pyspaceweather is free software: you can redistribute it or modify |
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# it under the terms of the GNU General Public License as published |
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# by the Free Software Foundation, version 2. |
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# See accompanying COPYING.GPLv2 file or http://www.gnu.org/licenses/gpl-2.0.html. |
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"""Python interface for space weather indices |
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General file handling functions for space weather data |
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""" |
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import errno |
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import os |
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import warnings |
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import requests |
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def _assert_file_exists(f): |
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if not os.path.exists(f): |
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raise IOError(errno.ENOENT, os.strerror(errno.ENOENT), f) |
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def _dl_file(swpath, url): |
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with requests.get(url, stream=True) as r: |
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if r.status_code != requests.codes.ok: |
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if isinstance(r.status_code, int): |
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warnings.warn( |
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"Failed to download from {0}, status code: {1}".format( |
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url, r.status_code, |
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), |
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) |
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return |
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with open(swpath, 'wb') as fd: |
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for chunk in r.iter_content(chunk_size=1024): |
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fd.write(chunk) |
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def _resource_filepath(file, subdir="data"): |
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try: |
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from contextlib import ExitStack |
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from importlib import resources |
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file_manager = ExitStack() |
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ref = resources.files(__package__) / subdir / file |
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filepath = file_manager.enter_context(resources.as_file(ref)) |
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except (AttributeError, ImportError): |
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from pkg_resources import resource_filename |
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filepath = resource_filename(__package__, os.path.join(subdir, file)) |
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return filepath |
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st-bender /
pyspaceweather
