mirror of
https://salsa.debian.org/kernel-team/linux.git
synced 2026-01-17 07:20:03 +00:00
604 lines
20 KiB
Python
604 lines
20 KiB
Python
from __future__ import annotations
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import contextlib
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import pathlib
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import re
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import typing
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from collections import OrderedDict
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from .debian import Changelog, PackageArchitecture, \
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PackageBuildRestrictFormula, PackageBuildRestrictList, \
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PackageBuildRestrictTerm, PackageRelation, Version
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from .utils import Templates
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class PackagesList(OrderedDict):
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def append(self, package):
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self[package['Package']] = package
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def extend(self, packages):
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for package in packages:
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self[package['Package']] = package
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def setdefault(self, package):
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return super().setdefault(package['Package'], package)
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class Makefile:
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def __init__(self):
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self.rules = {}
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def add_cmds(self, name, cmds):
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rule = self.rules.setdefault(name, MakefileRule(name))
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rule.add_cmds(MakefileRuleCmdsSimple(cmds))
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def add_deps(self, name, deps):
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rule = self.rules.setdefault(name, MakefileRule(name))
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rule.add_deps(deps)
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for i in deps:
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self.rules.setdefault(i, MakefileRule(i))
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def add_rules(self, name, target, makeflags, packages=set(), packages_extra=set()):
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rule = self.rules.setdefault(name, MakefileRule(name))
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rule.add_cmds(MakefileRuleCmdsRules(target, makeflags, packages, packages_extra))
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def write(self, out):
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out.write('''\
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.NOTPARALLEL:
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.PHONY:
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packages_enabled := $(shell dh_listpackages)
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define if_package
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$(if $(filter $(1),$(packages_enabled)),$(2))
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endef
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''')
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for k, rule in sorted(self.rules.items()):
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rule.write(out)
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class MakefileRule:
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def __init__(self, name):
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self.name = name
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self.cmds = []
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self.deps = set()
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def add_cmds(self, cmds):
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self.cmds.append(cmds)
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def add_deps(self, deps):
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assert type(deps) is list
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self.deps.update(deps)
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def write(self, out):
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if self.cmds:
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out.write(f'{self.name}:{" ".join(sorted(self.deps))}\n')
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for c in self.cmds:
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c.write(out)
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else:
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out.write(f'{self.name}:{" ".join(sorted(self.deps))}\n')
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class MakefileRuleCmdsRules:
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def __init__(self, target, makeflags, packages, packages_extra):
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self.target = target
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self.makeflags = makeflags.copy()
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self.packages = packages
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self.packages_extra = packages_extra
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packages_all = packages | packages_extra
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if packages_all:
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if len(packages_all) == 1:
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package_name = list(packages_all)[0]
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self.makeflags['PACKAGE_NAME'] = package_name
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self.makeflags['DESTDIR'] = f'$(CURDIR)/debian/{package_name}'
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else:
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self.makeflags['DESTDIR'] = '$(CURDIR)/debian/tmp'
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self.makeflags['DH_OPTIONS'] = ' '.join(f'-p{i}' for i in sorted(packages_all))
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def write(self, out):
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cmd = f'$(MAKE) -f debian/rules.real {self.target} {self.makeflags}'
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if self.packages:
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out.write(f'\t$(call if_package, {" ".join(sorted(self.packages))}, {cmd})\n')
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else:
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out.write(f'\t{cmd}\n')
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class MakefileRuleCmdsSimple:
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def __init__(self, cmds):
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self.cmds = cmds
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def write(self, out):
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for i in self.cmds:
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out.write(f'\t{i}\n')
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class MakeFlags(dict):
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def __str__(self):
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return ' '.join("%s='%s'" % i for i in sorted(self.items()))
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def copy(self):
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return self.__class__(super(MakeFlags, self).copy())
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class PackagesBundle:
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name: typing.Optional[str]
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templates: Templates
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base: pathlib.Path
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makefile: Makefile
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packages: PackagesList
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def __init__(
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self,
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name: typing.Optional[str],
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templates: Templates,
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base: pathlib.Path = pathlib.Path('debian'),
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) -> None:
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self.name = name
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self.templates = templates
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self.base = base
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self.makefile = Makefile()
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self.packages = PackagesList()
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def add(
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self,
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pkgid: str,
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ruleid: tuple[str],
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makeflags: MakeFlags,
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replace: dict[str, str],
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*,
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arch: str = None,
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check_packages: bool = True,
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) -> list[typing.Any]:
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ret = []
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for raw_package in self.templates.get_control(f'{pkgid}.control', replace):
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package = self.packages.setdefault(raw_package)
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package_name = package['Package']
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ret.append(package)
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package.meta.setdefault('rules-ruleids', {})[ruleid] = makeflags
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if arch:
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package.meta.setdefault('architectures', PackageArchitecture()).add(arch)
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package.meta['rules-check-packages'] = check_packages
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for name in (
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'NEWS',
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'bug-presubj',
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'lintian-overrides',
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'maintscript',
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'postinst',
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'postrm',
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'preinst',
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'prerm',
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):
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try:
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template = self.templates.get(f'{pkgid}.{name}',
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replace | {'package': package_name})
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except KeyError:
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pass
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else:
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with self.open(f'{package_name}.{name}') as f:
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f.write(template)
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return ret
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def add_packages(
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self,
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packages: PackagesList,
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ruleid: tuple[str],
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makeflags: MakeFlags,
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*,
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arch: str = None,
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check_packages: bool = True,
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) -> None:
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for package in packages:
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package = self.packages.setdefault(package)
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package.meta.setdefault('rules-ruleids', {})[ruleid] = makeflags
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if arch:
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package.meta.setdefault('architectures', PackageArchitecture()).add(arch)
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package.meta['rules-check-packages'] = check_packages
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def path(self, name) -> pathlib.Path:
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if self.name:
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return self.base / f'generated.{self.name}/{name}'
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return self.base / name
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@staticmethod
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def __ruleid_deps(ruleid: tuple[str], name: str) -> typing.Iterator[tuple[str, str]]:
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"""
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Generate all the rules dependencies.
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```
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build: build_a
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build_a: build_a_b
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build_a_b: build_a_b_image
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```
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"""
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r = ruleid + (name, )
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yield (
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'',
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'_' + '_'.join(r[:1]),
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)
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for i in range(1, len(r)):
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yield (
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'_' + '_'.join(r[:i]),
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'_' + '_'.join(r[:i + 1]),
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)
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@contextlib.contextmanager
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def open(self, name: str, mode: str = 'w') -> typing.TextIO:
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path = self.path(name)
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path.parent.mkdir(parents=True, exist_ok=True)
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with path.open(mode, encoding='utf-8') as f:
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yield f
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def extract_makefile(self) -> None:
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targets = {}
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for package_name, package in self.packages.items():
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target_name = package.meta.get('rules-target')
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ruleids = package.meta.get('rules-ruleids')
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makeflags = MakeFlags({
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# Requires Python 3.9+
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k.removeprefix('rules-makeflags-').upper(): v
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for (k, v) in package.meta.items() if k.startswith('rules-makeflags-')
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})
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if ruleids:
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arches = package.meta.get('architectures')
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if arches:
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package['Architecture'] = arches
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else:
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arches = package.get('Architecture')
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if target_name:
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for ruleid, makeflags_package in ruleids.items():
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target_key = frozenset(
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[target_name, ruleid]
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+ [f'{k}_{v}' for (k, v) in makeflags.items()]
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)
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target = targets.setdefault(
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target_key,
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{
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'name': target_name,
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'ruleid': ruleid,
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},
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)
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if package.meta['rules-check-packages']:
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target.setdefault('packages', set()).add(package_name)
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else:
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target.setdefault('packages_extra', set()).add(package_name)
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makeflags_package = makeflags_package.copy()
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makeflags_package.update(makeflags)
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target['makeflags'] = makeflags_package
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if arches == set(['all']):
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target['type'] = 'indep'
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else:
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target['type'] = 'arch'
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for target in targets.values():
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name = target['name']
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ruleid = target['ruleid']
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packages = target.get('packages', set())
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packages_extra = target.get('packages_extra', set())
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makeflags = target['makeflags']
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ttype = target['type']
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rule = '_'.join(ruleid + (name, ))
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self.makefile.add_rules(f'setup_{rule}',
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f'setup_{name}', makeflags, packages, packages_extra)
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self.makefile.add_rules(f'build-{ttype}_{rule}',
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f'build_{name}', makeflags, packages, packages_extra)
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self.makefile.add_rules(f'binary-{ttype}_{rule}',
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f'binary_{name}', makeflags, packages, packages_extra)
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for i, j in self.__ruleid_deps(ruleid, name):
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self.makefile.add_deps(f'setup{i}',
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[f'setup{j}'])
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self.makefile.add_deps(f'build-{ttype}{i}',
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[f'build-{ttype}{j}'])
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self.makefile.add_deps(f'binary-{ttype}{i}',
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[f'binary-{ttype}{j}'])
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def merge_build_depends(self):
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# Merge Build-Depends pseudo-fields from binary packages into the
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# source package
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source = self.packages["source"]
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arch_all = PackageArchitecture("all")
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for name, package in self.packages.items():
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if name == "source":
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continue
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dep = package.get("Build-Depends")
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if not dep:
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continue
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del package["Build-Depends"]
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for group in dep:
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for item in group:
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if package["Architecture"] != arch_all and not item.arches:
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item.arches = sorted(package["Architecture"])
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if package.get("Build-Profiles") and not item.restrictions:
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item.restrictions = package["Build-Profiles"]
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if package["Architecture"] == arch_all:
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dep_type = "Build-Depends-Indep"
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else:
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dep_type = "Build-Depends-Arch"
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if dep_type not in source:
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source[dep_type] = PackageRelation()
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source[dep_type].extend(dep)
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def write(self) -> None:
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self.write_control()
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self.write_makefile()
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def write_control(self) -> None:
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with self.open('control') as f:
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self.write_rfc822(f, self.packages.values())
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def write_makefile(self) -> None:
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with self.open('rules.gen') as f:
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self.makefile.write(f)
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def write_rfc822(self, f: typing.TextIO, entries: typing.Iterable) -> None:
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for entry in entries:
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for key, value in entry.items():
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if value:
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f.write(u"%s: %s\n" % (key, value))
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f.write('\n')
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def iter_featuresets(config):
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for featureset in config['base', ]['featuresets']:
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if config.merge('base', None, featureset).get('enabled', True):
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yield featureset
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def iter_arches(config):
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return iter(config['base', ]['arches'])
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def iter_arch_featuresets(config, arch):
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for featureset in config['base', arch].get('featuresets', []):
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if config.merge('base', arch, featureset).get('enabled', True):
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yield featureset
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def iter_flavours(config, arch, featureset):
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return iter(config['base', arch, featureset]['flavours'])
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class Gencontrol(object):
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def __init__(self, config, templates, version=Version):
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self.config, self.templates = config, templates
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self.changelog = Changelog(version=version)
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self.vars = {}
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self.bundles = {None: PackagesBundle(None, templates)}
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# TODO: Remove after all references are gone
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self.packages = self.bundle.packages
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self.makefile = self.bundle.makefile
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@property
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def bundle(self) -> PackagesBundle:
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return self.bundles[None]
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def __call__(self):
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self.do_source()
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self.do_main()
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self.do_extra()
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self.write()
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def do_source(self):
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source = self.templates.get_source_control("source.control", self.vars)[0]
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if not source.get('Source'):
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source['Source'] = self.changelog[0].source
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self.packages['source'] = source
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def do_main(self):
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vars = self.vars.copy()
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makeflags = MakeFlags()
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extra = {}
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self.do_main_setup(vars, makeflags, extra)
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self.do_main_makefile(makeflags, extra)
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self.do_main_packages(vars, makeflags, extra)
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self.do_main_recurse(vars, makeflags, extra)
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def do_main_setup(self, vars, makeflags, extra):
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pass
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def do_main_makefile(self, makeflags, extra):
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pass
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def do_main_packages(self, vars, makeflags, extra):
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pass
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def do_main_recurse(self, vars, makeflags, extra):
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for featureset in iter_featuresets(self.config):
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self.do_indep_featureset(featureset,
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vars.copy(), makeflags.copy(), extra)
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for arch in iter_arches(self.config):
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self.do_arch(arch, vars.copy(),
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makeflags.copy(), extra)
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def do_extra(self):
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try:
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packages_extra = self.templates.get_control("extra.control", self.vars)
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except KeyError:
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return
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extra_arches = {}
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for package in packages_extra:
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arches = package['Architecture']
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for arch in arches:
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i = extra_arches.get(arch, [])
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i.append(package)
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extra_arches[arch] = i
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for arch in sorted(extra_arches.keys()):
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self.bundle.add_packages(packages_extra, (arch, ),
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MakeFlags(), check_packages=False)
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def do_indep_featureset(self, featureset, vars,
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makeflags, extra):
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vars['localversion'] = ''
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if featureset != 'none':
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vars['localversion'] = '-' + featureset
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self.do_indep_featureset_setup(vars, makeflags, featureset, extra)
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self.do_indep_featureset_makefile(featureset, makeflags,
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extra)
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self.do_indep_featureset_packages(featureset,
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vars, makeflags, extra)
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def do_indep_featureset_setup(self, vars, makeflags, featureset, extra):
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pass
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def do_indep_featureset_makefile(self, featureset, makeflags,
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extra):
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makeflags['FEATURESET'] = featureset
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def do_indep_featureset_packages(self, featureset, vars, makeflags, extra):
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pass
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def do_arch(self, arch, vars, makeflags, extra):
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vars['arch'] = arch
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self.do_arch_setup(vars, makeflags, arch, extra)
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self.do_arch_makefile(arch, makeflags, extra)
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self.do_arch_packages(arch, vars, makeflags, extra)
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self.do_arch_recurse(arch, vars, makeflags, extra)
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def do_arch_setup(self, vars, makeflags, arch, extra):
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pass
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def do_arch_makefile(self, arch, makeflags, extra):
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makeflags['ARCH'] = arch
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def do_arch_packages(self, arch, vars, makeflags,
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extra):
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pass
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def do_arch_recurse(self, arch, vars, makeflags,
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extra):
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for featureset in iter_arch_featuresets(self.config, arch):
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self.do_featureset(arch, featureset,
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vars.copy(), makeflags.copy(), extra)
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def do_featureset(self, arch, featureset, vars,
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makeflags, extra):
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vars['localversion'] = ''
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if featureset != 'none':
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vars['localversion'] = '-' + featureset
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self.do_featureset_setup(vars, makeflags, arch, featureset, extra)
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self.do_featureset_makefile(arch, featureset, makeflags, extra)
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self.do_featureset_packages(arch, featureset, vars, makeflags, extra)
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self.do_featureset_recurse(arch, featureset, vars, makeflags, extra)
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def do_featureset_setup(self, vars, makeflags, arch, featureset, extra):
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pass
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def do_featureset_makefile(self, arch, featureset, makeflags,
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extra):
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makeflags['FEATURESET'] = featureset
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def do_featureset_packages(self, arch, featureset, vars, makeflags, extra):
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pass
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def do_featureset_recurse(self, arch, featureset, vars, makeflags, extra):
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for flavour in iter_flavours(self.config, arch, featureset):
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self.do_flavour(arch, featureset, flavour,
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vars.copy(), makeflags.copy(), extra)
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def do_flavour(self, arch, featureset, flavour, vars,
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makeflags, extra):
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vars['localversion'] += '-' + flavour
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self.do_flavour_setup(vars, makeflags, arch, featureset, flavour,
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extra)
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self.do_flavour_makefile(arch, featureset, flavour, makeflags, extra)
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self.do_flavour_packages(arch, featureset, flavour,
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vars, makeflags, extra)
|
|
|
|
def do_flavour_setup(self, vars, makeflags, arch, featureset, flavour,
|
|
extra):
|
|
for i in (
|
|
('kernel-arch', 'KERNEL_ARCH'),
|
|
('localversion', 'LOCALVERSION'),
|
|
):
|
|
if i[0] in vars:
|
|
makeflags[i[1]] = vars[i[0]]
|
|
|
|
def do_flavour_makefile(self, arch, featureset, flavour,
|
|
makeflags, extra):
|
|
makeflags['FLAVOUR'] = flavour
|
|
|
|
def do_flavour_packages(self, arch, featureset,
|
|
flavour, vars, makeflags, extra):
|
|
pass
|
|
|
|
def substitute(self, s, vars):
|
|
if isinstance(s, (list, tuple)):
|
|
return [self.substitute(i, vars) for i in s]
|
|
|
|
def subst(match):
|
|
return vars[match.group(1)]
|
|
|
|
return re.sub(r'@([-_a-z0-9]+)@', subst, str(s))
|
|
|
|
def write(self):
|
|
for bundle in self.bundles.values():
|
|
bundle.extract_makefile()
|
|
bundle.merge_build_depends()
|
|
bundle.write()
|
|
|
|
# TODO: Remove
|
|
def write_control(self, name='debian/control'):
|
|
self.write_rfc822(open(name, 'w', encoding='utf-8'), self.packages.values())
|
|
|
|
# TODO: Remove
|
|
def write_makefile(self, name='debian/rules.gen'):
|
|
f = open(name, 'w')
|
|
self.makefile.write(f)
|
|
f.close()
|
|
|
|
# TODO: Remove
|
|
def write_rfc822(self, f, list):
|
|
for entry in list:
|
|
for key, value in entry.items():
|
|
f.write(u"%s: %s\n" % (key, value))
|
|
f.write('\n')
|
|
|
|
|
|
def merge_packages(packages, new, arch):
|
|
for new_package in new:
|
|
name = new_package['Package']
|
|
if name in packages:
|
|
package = packages.get(name)
|
|
package['Architecture'].add(arch)
|
|
|
|
for field in ('Depends', 'Provides', 'Suggests', 'Recommends',
|
|
'Conflicts'):
|
|
if field in new_package:
|
|
if field in package:
|
|
v = package[field]
|
|
v.extend(new_package[field])
|
|
else:
|
|
package[field] = new_package[field]
|
|
|
|
else:
|
|
new_package['Architecture'] = arch
|
|
packages.append(new_package)
|
|
|
|
|
|
def add_package_build_restriction(package, term):
|
|
if not isinstance(term, PackageBuildRestrictTerm):
|
|
term = PackageBuildRestrictTerm(term)
|
|
old_form = package['Build-Profiles']
|
|
new_form = PackageBuildRestrictFormula()
|
|
for old_list in old_form:
|
|
new_list = PackageBuildRestrictList(list(old_list) + [term])
|
|
new_form.add(new_list)
|
|
package['Build-Profiles'] = new_form
|