mirror of
https://gitlab.postmarketos.org/postmarketOS/pmbootstrap.git
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72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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from pmb.helpers import logging
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import pmb.chroot
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import pmb.chroot.apk
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import pmb.helpers.pmaports
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import pmb.parse.apkindex
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from pmb.core import Chroot
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from pmb.core.context import get_context
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def package_provider(
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pkgname: str, pkgnames_install: list[str], suffix: Chroot = Chroot.native()
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) -> pmb.core.apkindex_block.ApkindexBlock | None:
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"""
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:param pkgnames_install: packages to be installed
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:returns: ApkindexBlock object or None (no provider found)
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"""
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# Get all providers
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arch = suffix.arch
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providers = pmb.parse.apkindex.providers(pkgname, arch, False)
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# 0. No provider
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if len(providers) == 0:
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return None
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# 1. Only one provider
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logging.verbose(f"{pkgname}: provided by: {', '.join(providers)}")
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if len(providers) == 1:
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return next(iter(providers.values()))
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# 2. Provider with the same package name
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if pkgname in providers:
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logging.verbose(f"{pkgname}: choosing package of the same name as provider")
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return providers[pkgname]
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# 3. Pick a package that will be installed anyway
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for provider_pkgname, provider in providers.items():
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if provider_pkgname in pkgnames_install:
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logging.verbose(
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f"{pkgname}: choosing provider '{provider_pkgname}"
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"', because it will be installed anyway"
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)
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return provider
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# 4. Pick a package that is already installed
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installed = pmb.chroot.apk.installed(suffix)
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for provider_pkgname, provider in providers.items():
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if provider_pkgname in installed:
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logging.verbose(
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f"{pkgname}: choosing provider '{provider_pkgname}"
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f"', because it is installed in the '{suffix}' "
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"chroot already"
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)
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return provider
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# 5. Pick an explicitly selected provider
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provider_pkgname = get_context().config.providers.get(pkgname, "")
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if provider_pkgname in providers:
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logging.verbose(
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f"{pkgname}: choosing provider '{provider_pkgname}', "
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"because it was explicitly selected."
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)
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return providers[provider_pkgname]
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# 6. Pick the provider(s) with the highest priority
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providers = pmb.parse.apkindex.provider_highest_priority(providers, pkgname)
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if len(providers) == 1:
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return next(iter(providers.values()))
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# 7. Pick the shortest provider. (Note: Normally apk would fail here!)
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return pmb.parse.apkindex.provider_shortest(providers, pkgname)
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