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#-*- coding: utf-8 -*-
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# Copyright 2014 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from collections import Mapping
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from functools import total_ordering
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import os
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from os import path
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import bz2
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import re
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try:
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from calculate.lib.utils.files import readFile, listDirectory, pathJoin
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from calculate.lib.datavars import SimpleDataVars
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except ImportError:
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from cl_utils import readFile, listDirectory, pathJoin
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from cl_datavars import DataVars
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class SimpleRepositoryMapper(Mapping):
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"""
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Определение пути до репозитория
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"""
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map_repository = {'gentoo': '/usr/portage',
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'calculate': '/var/lib/layman/calculate'}
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layman_path = '/var/lib/layman'
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def __init__(self, prefix='/'):
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self.prefix = prefix
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def __getitem__(self, item):
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if item in self.map_repository:
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return pathJoin(self.prefix, self.map_repository[item])
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return pathJoin(self.prefix, self.layman_path, item)
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def __iter__(self):
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return iter(self.map_repository)
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def __len__(self):
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return len(self.map_repository)
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class EbuildInfoError(Exception):
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pass
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class EbuildInfo(object):
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"""
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Информация о ebuild (DEPEND) из metadata
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"""
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map_repository = SimpleRepositoryMapper()
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meta_suffix_path = 'metadata/md5-cache'
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support_keys = ('DEPEND', 'RDEPEND', 'PDEPEND')
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def __init__(self, atom, repository):
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meta_path = path.join(self.map_repository[repository],
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self.meta_suffix_path)
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self._meta_info_path = path.join(meta_path, atom)
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if not path.exists(self._meta_info_path):
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raise EbuildInfoError("Package is not found")
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self._info = self._get_info()
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def _get_info(self):
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with open(self._meta_info_path, 'r') as f:
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return {k.strip(): v.strip() for k, v in (line.partition('=')[::2]
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for line in f.readlines())
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if k in self.support_keys}
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def __getitem__(self, item):
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if item in self.support_keys:
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return self._info.get(item,'')
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raise KeyError(item)
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@classmethod
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def set_repository_mapper(cls, mapper):
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cls.map_repository = mapper
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def __eq__(self, other):
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return all(other[k] == self[k] for k in self.support_keys)
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def __ne__(self, other):
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return any(other[k] != self[k] for k in self.support_keys)
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class InstalledPackageInfoError(Exception):
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pass
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class InstalledPackageInfo(object):
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"""
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Информация об установленном пакете (DEPEND) из /var/db/pkg
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"""
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pkg_dir = '/var/db/pkg'
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depend_pattern = 'declare (?:-x )?({0})="([^"]+)"'
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re_depend = re.compile(depend_pattern.format("RDEPEND|PDEPEND|DEPEND"),
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re.DOTALL)
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re_multispace = re.compile("\s+", re.DOTALL)
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def __init__(self, atom):
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self.atom = atom
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self._pkg_path = path.join(self.pkg_dir, atom)
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if not path.exists(self._pkg_path):
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raise InstalledPackageInfoError("Package is not found")
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self._info = self._get_info()
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def _get_info(self):
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info = {k: "" for k in ("RDEPEND", "DEPEND", "PDEPEND")}
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env_path = path.join(self._pkg_path, 'environment.bz2')
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if path.exists(env_path):
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with bz2.BZ2File(env_path, 'r') as f:
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for r in self.re_depend.finditer(f.read()):
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key, value = r.groups()
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value = self.re_multispace.sub(" ", value)
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info[key] = value.strip()
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rep_path = path.join(self._pkg_path, 'repository')
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info['repository'] = readFile(rep_path).strip()
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return info
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def __getitem__(self, item):
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return self._info[item]
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@classmethod
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def get_install_packages(cls):
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for category in listDirectory(cls.pkg_dir):
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for pkg in listDirectory(path.join(cls.pkg_dir, category)):
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yield InstalledPackageInfo("%s/%s" % (category, pkg))
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def __str__(self):
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return self.atom
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def __repr__(self):
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return "InstalledPackageInfo(%s)" % self.atom
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class SimpleVariable(object):
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def __init__(self, varname, fallback_value="", section="main", type="string"):
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self.varname = varname
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self.fallback_value = fallback_value
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self.section = section
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self.type = type
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def get(self):
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return self.fallback_value
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def getVariableName(self):
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return self.varname
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class ArchVariable(SimpleVariable):
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def __init__(self, varname, fallback_value="", section="main", type="string", prefix="/"):
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self.varname = varname
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self.fallback_value = fallback_value
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self.section = section
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self.type = type
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self.prefix = prefix
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def get(self):
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if path.lexists(path.join(self.prefix,'lib64')):
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return 'x86_64'
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elif path.lexists(path.join(self.prefix,'lib')):
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return 'i686'
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else:
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d['os_arch_machine'] = ''
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class ProfileVariable(SimpleVariable):
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def __init__(self, varname, fallback_value="", section="main", type="string", prefix="/"):
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self.varname = varname
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self.fallback_value = fallback_value
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self.section = section
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self.type = type
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self.prefix = prefix
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def get(self):
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for profile in ('etc/portage/make.profile',
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'etc/make.profile'):
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profile = path.join(self.prefix, profile)
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if path.exists(profile):
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return os.readlink(profile)
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return ""
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