68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <https://gnu.org/licenses/>.
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from multilib import multilib
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class Multilib(object):
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"""This class decides whether a package should be multilib.
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To use it, create an instance and call the ``is_multilib`` method on it.
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The blacklist and whitelist in constructor should be sets of package names.
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It may be more convenient to create the instance with the ``from_globs``
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method that accepts a DNF sach and an iterable of globs that will be used
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to find package names.
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"""
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def __init__(self, methods, blacklist, whitelist):
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self.methods = {}
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self.blacklist = blacklist
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self.whitelist = whitelist
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self.all_methods = {
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"none": multilib.NoMultilibMethod(None),
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"all": multilib.AllMultilibMethod(None),
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"devel": multilib.DevelMultilibMethod(None),
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"runtime": multilib.RuntimeMultilibMethod(None),
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}
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for method in methods:
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self.methods[method] = self.all_methods[method]
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@classmethod
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def from_globs(cls, sack, methods, blacklist=None, whitelist=None):
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"""Create a Multilib instance with expanded blacklist and whitelist."""
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return cls(
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methods,
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_expand_list(sack, blacklist or []),
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_expand_list(sack, whitelist or []),
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)
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def is_multilib(self, pkg):
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if pkg.name in self.blacklist:
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return False
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if pkg.name in self.whitelist:
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return "whitelist"
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for method, cls in self.methods.items():
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if cls.select(pkg):
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return method
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return False
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def _expand_list(sack, patterns):
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"""Find all package names that match any of the provided patterns."""
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return set(pkg.name for pkg in sack.query().filter(name__glob=list(patterns)))
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