42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# Copyright Spack Project Developers. See COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import os
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import sys
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from os.path import dirname as dn
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def get_spack_sys_paths(spack_prefix):
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"""Given a spack prefix, return all the paths Spack needs to function."""
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spack_libs = os.path.join(spack_prefix, "lib", "spack")
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external_libs = os.path.join(spack_libs, "external")
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vendored_libs = os.path.join(external_libs, "_vendoring")
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# spack externals take precedence, then vendored packages, then spack itself
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return [external_libs, vendored_libs, spack_libs]
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def main(argv=None):
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# Find spack's location and its prefix.
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this_file = os.path.realpath(os.path.expanduser(__file__))
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spack_prefix = dn(dn(dn(dn(this_file))))
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# Add all the sys paths that allow spack libs to be imported
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sys.path[:0] = get_spack_sys_paths(spack_prefix)
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# Here we delete ruamel.yaml in case it has been already imported from site
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# (see #9206 for a broader description of the issue).
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#
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# Briefly: ruamel.yaml produces a .pth file when installed with pip that
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# makes the site installed package the preferred one, even though sys.path
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# is modified to point to another version of ruamel.yaml.
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if "ruamel.yaml" in sys.modules:
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del sys.modules["ruamel.yaml"]
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if "ruamel" in sys.modules:
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del sys.modules["ruamel"]
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import spack.main # noqa: E402
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sys.exit(spack.main.main(argv))
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