40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from typing import Optional
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import spack.package_base
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import spack.util.url
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class GNUMirrorPackage(spack.package_base.PackageBase):
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"""Mixin that takes care of setting url and mirrors for GNU packages."""
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#: Path of the package in a GNU mirror
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gnu_mirror_path: Optional[str] = None
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#: List of GNU mirrors used by Spack
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base_mirrors = [
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"https://ftpmirror.gnu.org/",
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"https://ftp.gnu.org/gnu/",
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# Fall back to http if https didn't work (for instance because
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# Spack is bootstrapping curl)
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"http://ftpmirror.gnu.org/",
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]
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@property
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def urls(self):
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self._ensure_gnu_mirror_path_is_set_or_raise()
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return [
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spack.util.url.join(m, self.gnu_mirror_path, resolve_href=True)
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for m in self.base_mirrors
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]
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def _ensure_gnu_mirror_path_is_set_or_raise(self):
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if self.gnu_mirror_path is None:
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cls_name = type(self).__name__
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msg = "{0} must define a `gnu_mirror_path` attribute" " [none defined]"
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raise AttributeError(msg.format(cls_name))
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