kupferbootstrap/distro/pkgbuild.py

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from copy import deepcopy
import logging
import os
import subprocess
from typing import Generator
from chroot import Chroot
from constants import CHROOT_PATHS, MAKEPKG_CMD
from .package import PackageInfo
class Pkgbuild(PackageInfo):
depends: list[str] = None
provides: list[str] = None
local_depends: list[PackageInfo] = None
subpackages: list[PackageInfo] = None
repo = ''
mode = ''
path = ''
pkgver = ''
pkgrel = ''
def __init__(
self,
relative_path: str,
depends: list[str] = [],
provides: list[str] = [],
subpackages: list[PackageInfo] = [],
) -> None:
self.version = None
self.path = relative_path
self.depends = deepcopy(depends)
self.provides = deepcopy(provides)
self.subpackages = deepcopy(subpackages)
def __repr__(self):
return f'Package({self.name},{repr(self.path)},{self.version},{self.mode})'
def names(self):
return [self.name] + self.provides
def parse_pkgbuild(relative_pkg_dir: str, native_chroot: Chroot) -> list[Pkgbuild]:
mode = None
with open(os.path.join(native_chroot.get_path(CHROOT_PATHS['pkgbuilds']), relative_pkg_dir, 'PKGBUILD'), 'r') as file:
for line in file.read().split('\n'):
if line.startswith('_mode='):
mode = line.split('=')[1]
break
if mode not in ['host', 'cross']:
raise Exception((f'{relative_pkg_dir}/PKGBUILD has {"no" if mode is None else "an invalid"} mode configured') +
(f': "{mode}"' if mode is not None else ''))
base_package = Pkgbuild(relative_pkg_dir)
base_package.mode = mode
base_package.repo = relative_pkg_dir.split('/')[0]
srcinfo = native_chroot.run_cmd(
MAKEPKG_CMD + ['--printsrcinfo'],
cwd=os.path.join(CHROOT_PATHS['pkgbuilds'], base_package.path),
stdout=subprocess.PIPE,
)
lines = srcinfo.stdout.decode('utf-8').split('\n')
current = base_package
multi_pkgs = False
for line_raw in lines:
line = line_raw.strip()
if not line:
continue
splits = line.split(' = ')
if line.startswith('pkgbase'):
base_package.name = splits[1]
multi_pkgs = True
elif line.startswith('pkgname'):
if multi_pkgs:
if current is not base_package:
base_package.subpackages.append(current)
current = deepcopy(base_package)
current.name = splits[1]
elif line.startswith('pkgver'):
current.pkgver = splits[1]
elif line.startswith('pkgrel'):
current.pkgrel = splits[1]
elif line.startswith('provides'):
current.provides.append(splits[1])
elif line.startswith('depends') or line.startswith('makedepends') or line.startswith('checkdepends') or line.startswith('optdepends'):
current.depends.append(splits[1].split('=')[0].split(': ')[0])
current.depends = list(set(current.depends))
results = base_package.subpackages or [base_package]
for pkg in results:
pkg.mode = mode
pkg.version = f'{pkg.pkgver}-{pkg.pkgrel}'
if not (pkg.pkgver == base_package.pkgver and pkg.pkgrel == base_package.pkgrel):
raise Exception('subpackage malformed! pkgver differs!')
return results