mirror of
https://github.com/BioArchLinux/bioarchlinux-tools.git
synced 2025-03-09 22:53:31 +00:00
89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
from __future__ import annotations
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import os
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from collections import namedtuple
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import subprocess
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import re
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from typing import Tuple, List, Dict
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from pkg_resources import parse_version as _parse_version
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def parse_arch_version(v: str) -> Tuple[int, Tuple[str, ...]]:
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if ':' in v:
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epoch = int(v.split(':', 1)[0])
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else:
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epoch = 0
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return epoch, _parse_version(v)
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class PkgNameInfo(namedtuple('PkgNameInfo', 'name, version, release, arch')):
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def __lt__(self, other) -> bool:
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if self.name != other.name or self.arch != other.arch:
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return NotImplemented
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if self.version != other.version:
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return parse_arch_version(self.version) < parse_arch_version(other.version)
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return float(self.release) < float(other.release)
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def __gt__(self, other) -> bool:
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# No, try the other side please.
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return NotImplemented
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@property
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def fullversion(self) -> str:
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return '%s-%s' % (self.version, self.release)
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@classmethod
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def parseFilename(cls, filename: str) -> 'PkgNameInfo':
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return cls(*trimext(filename, 3).rsplit('-', 3))
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def trimext(name: str, num: int = 1) -> str:
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for i in range(num):
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name = os.path.splitext(name)[0]
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return name
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def get_pkgname_with_bash(PKGBUILD: str) -> List[str]:
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script = '''\
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. '%s'
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echo ${pkgname[*]}''' % PKGBUILD
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# Python 3.4 has 'input' arg for check_output
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p = subprocess.Popen(
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['bwrap', '--unshare-all', '--ro-bind', '/', '/', '--tmpfs', '/home',
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'--tmpfs', '/run', '--die-with-parent',
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'--tmpfs', '/tmp', '--proc', '/proc', '--dev', '/dev', '/bin/bash'],
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stdin=subprocess.PIPE, stdout=subprocess.PIPE,
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)
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output = p.communicate(script.encode())[0].decode()
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ret = p.wait()
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if ret != 0:
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raise subprocess.CalledProcessError(
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ret, ['bash'], output)
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return output.split()
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pkgfile_pat = re.compile(r'(?:^|/).+-[^-]+-[\d.]+-(?:\w+)\.pkg\.tar\.(?:xz|zst)$')
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def _strip_ver(s: str) -> str:
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return re.sub(r'[<>=].*', '', s)
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def get_package_info(name: str, local: bool = False) -> Dict[str, str]:
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old_lang = os.environ['LANG']
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os.environ['LANG'] = 'C'
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args = '-Qi' if local else '-Si'
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try:
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outb = subprocess.check_output(["pacman", args, name])
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out = outb.decode('latin1')
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finally:
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os.environ['LANG'] = old_lang
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ret = {}
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for l in out.splitlines():
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if not l:
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continue
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if l[0] not in ' \t':
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key, value = l.split(':', 1)
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key = key.strip()
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value = value.strip()
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ret[key] = value
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else:
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ret[key] += ' ' + l.strip()
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return ret
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