#! /usr/bin/python
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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#
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# Copyright 2022 Marcel Telka
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#
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#
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# Print requirements for a package.
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# Evaluated and normalized.
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#
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import sys
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import re
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try:
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try:
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from importlib.metadata import requires
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except ImportError:
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from importlib_metadata import requires
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from packaging.requirements import Requirement
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from packaging.markers import UndefinedEnvironmentName
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except:
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exit()
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if len(sys.argv) < 2:
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exit()
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try:
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for req in requires(sys.argv[1]):
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r = Requirement(req)
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try:
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if not r.marker or r.marker.evaluate():
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print(re.sub(r"[-_.]+", "-", r.name).lower())
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except UndefinedEnvironmentName:
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pass
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except:
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pass
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