tic/parser/repo_parser.py

   1 #!/usr/bin/python
   2 # Copyright (c) 2000 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
   3 #
   4 # Contact:
   5 # @author Chulwoo Shin <cw1.shin@samsung.com>
   6 #
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 # http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18 #
  19 # Contributors:
  20 # - S-Core Co., Ltd
  21
  22 import re
  23 import logging
  24 from lxml import etree
  25 from tic.utils.error import TICError
  26 from tic.utils.rpmmisc import archPolicies, default_arch
  27 from tic.config import configmgr
  28
  29 # meta pkg
  30 META_PREFIX = configmgr.regularexp['meta_prefix']
  31 META_PREFIX_ROOT = configmgr.regularexp['meta_prefix_root']
  32 META_PREFIX_SUB1 = configmgr.regularexp['meta_prefix_sub1']
  33 META_PATTERN = re.compile(''.join(['^', META_PREFIX, configmgr.regularexp['meta_pattern']]), re.I)
  34 META_SUB1_PATTERN = re.compile(configmgr.regularexp['meta_sub1_pattern'])
  35 META_SUB2_PATTERN = re.compile(configmgr.regularexp['meta_sub2_pattern'])
  36 # profile pkg
  37 PROFILE_PATTERN = re.compile(configmgr.regularexp['profile_pattern'])
  38
  39 class RepodataParser(object):
  40
  41     def __init__(self, arch, repodata_list):
  42         self.arch = arch
  43         self.repodata_list = repodata_list
  44
  45     def _xml_parse(self, pkg_group, pkg_list, tag_dic):
  46
  47         def _set_version(element, tag):
  48             if 'ver' in tag.attrib:
  49                 element['ver'] = tag.attrib['ver']
  50             if 'rel' in tag.attrib:
  51                 element['rel'] = tag.attrib['rel']
  52             if 'epoch' in tag.attrib:
  53                 element['epoch'] = tag.attrib['epoch']
  54             if 'flags' in tag.attrib:
  55                 element['flags'] = tag.attrib['flags']
  56
  57         pkg_dict = pkg_group.get('pkg_dict')
  58         provides_dict = pkg_group.get('provides')
  59         files_dict = pkg_group.get('files')
  60         meta_info = pkg_group.get('meta_info')
  61         pkg_id = len(pkg_dict)
  62
  63         for pkg in pkg_list:
  64             pkg_name = pkg.findtext(tag_dic['name'])
  65
  66             # check whether a package is duplicated.
  67             if pkg_name in pkg_dict:
  68                 # TODO: Apply to policy of duplication
  69                 # logger.warning('package(%s) is duplicated. exclude this package', pkg_name)
  70                 continue
  71
  72             pkg_info = {}
  73             pkg_info['id'] = pkg_id
  74             pkg_info['name'] = pkg_name
  75             pkg_info['arch'] = pkg.findtext(tag_dic['arch'])
  76             pkg_info['summary'] = pkg.findtext(tag_dic['summary'])
  77             pkg_info['selfChecked'] = False # for web-ui tree
  78
  79             # Parsing meta-pkg using meta naming rule
  80             meta_match = META_PATTERN.search(pkg_info['name'])
  81             if meta_match is not None:
  82                 if meta_match.group('meta') == 'root':
  83                     meta_info['root'].append([pkg_info['name'], pkg_info['summary']])
  84                     pkg_info['meta'] = 'root'
  85                 elif meta_match.group('meta') == 'sub1':
  86                     sub1_match = META_SUB1_PATTERN.search(meta_match.group('pkgname'))
  87                     meta_info['sub1'].append([pkg_info['name'],
  88                                               ''.join([META_PREFIX_ROOT, sub1_match.group('root')]),
  89                                               pkg_info['summary']])
  90                     pkg_info['meta'] = 'sub1'
  91                 elif meta_match.group('meta') == 'sub2':
  92                     sub2_match = META_SUB2_PATTERN.search(meta_match.group('pkgname'))
  93                     meta_info['sub2'].append([pkg_info['name'],
  94                                               ''.join([META_PREFIX_ROOT, sub2_match.group('root')]),
  95                                               ''.join([META_PREFIX_SUB1, sub2_match.group('root'),'-', sub2_match.group('sub1')]),
  96                                               pkg_info['summary']])
  97                     pkg_info['meta'] = 'sub2'
  98
  99             # check profile pkg
 100             profile_match = PROFILE_PATTERN.search(pkg_info['name']);
 101             if profile_match and profile_match.group('profile'):
 102                 pkg_info['profile'] = profile_match.group('profile')
 103             else:
 104                 pkg_info['profile'] = None
 105
 106             ver_tag = pkg.find(tag_dic['version'])
 107             pkg_info['version'] = {'epoch':ver_tag.attrib['epoch'],
 108                                    'ver':ver_tag.attrib['ver'],
 109                                    'rel':ver_tag.attrib['rel']}
 110             pkg_info['checksum'] = pkg.findtext(tag_dic['checksum'])
 111             pkg_info['description'] = pkg.findtext(tag_dic['description'])
 112             pkg_info['location'] = pkg.find(tag_dic['location']).attrib['href']
 113             size_tag = pkg.find(tag_dic['size'])
 114             pkg_info['size'] = size_tag.attrib['package']
 115             pkg_info['installed'] = size_tag.attrib['installed']
 116
 117             format_tag = pkg.find(tag_dic['format'])
 118             if(format_tag is not None):
 119                 requires_tag = format_tag.find(tag_dic['requires'])
 120                 if requires_tag is not None:
 121                     dep_list = []
 122                     for rpm in requires_tag:
 123                         require = dict(name= rpm.attrib['name'])
 124                         _set_version(require, rpm)
 125                         dep_list.append(require)
 126                     pkg_info['requires'] = dep_list;
 127                 provides_tag = format_tag.find(tag_dic['provides'])
 128                 if provides_tag is not None:
 129                     dep_list = []
 130                     for rpm in provides_tag:
 131                         provide = dict(name= rpm.attrib['name'])
 132                         _set_version(provide, rpm)
 133                         if provide.get('ver') and not provide.get('rel') and pkg_info['version']['rel']:
 134                             provide['rel'] = pkg_info['version']['rel'];
 135
 136                         if rpm.attrib['name'] in provides_dict:
 137                             provides_dict[rpm.attrib['name']].append({'name': pkg_name, 'data': provide})
 138                         else:
 139                             provides_dict[rpm.attrib['name']] = [{'name': pkg_name, 'data': provide}]
 140                         dep_list.append(provide)
 141                     pkg_info['provides'] = dep_list;
 142                 conflicts_tag = format_tag.find(tag_dic['conflicts'])
 143                 if conflicts_tag is not None:
 144                     dep_list = []
 145                     for rpm in conflicts_tag:
 146                         conflict = dict(name= rpm.attrib['name'])
 147                         _set_version(conflict, rpm)
 148                         dep_list.append(conflict)
 149                     pkg_info['conflicts'] = dep_list;
 150                 recommends_tag = format_tag.find(tag_dic['recommends'])
 151                 if recommends_tag is not None:
 152                     dep_list = []
 153                     for rpm in recommends_tag:
 154                         recommend = dict(name=rpm.attrib['name'])
 155                         _set_version(recommend, rpm)
 156                         dep_list.append(recommend)
 157                     pkg_info['recommends'] = dep_list;
 158                 suggests_tag = format_tag.find(tag_dic['suggests'])
 159                 if suggests_tag is not None:
 160                     dep_list = []
 161                     for rpm in suggests_tag:
 162                         suggests = dict(name= rpm.attrib['name'])
 163                         dep_list.append(suggests)
 164                     pkg_info['suggests'] = dep_list;
 165                 file_tag = format_tag.find(tag_dic['file'])
 166                 if file_tag is not None:
 167                     dep_list = []
 168                     for file_t in format_tag.findall(tag_dic['file']):
 169                         if file_t.text in files_dict:
 170                             files_dict[file_t.text].append(pkg_name)
 171                         else:
 172                             files_dict[file_t.text] = [pkg_name]
 173                         dep_list.append(file_t.text)
 174                     pkg_info['file'] = dep_list;
 175             pkg_dict[pkg_name] = pkg_info
 176             pkg_id += 1
 177
 178     def _prepare_requires_id(self, pkg_group):
 179         logger = logging.getLogger(__name__)
 180         pkg_list = pkg_group.get('pkg_list')
 181         pkg2id = pkg_group.get('pkg2id')
 182         provides2id = pkg_group.get('provides2id')
 183         file2id = pkg_group.get('file2id')
 184
 185         for pkg_id in range(len(pkg_list)):
 186             requires = pkg_list[pkg_id].get('requires')
 187             if requires is not None:
 188                 for req_info in requires:
 189                     req_name = req_info['name']
 190                     #TODO: Determine dependency search order
 191                     if req_name in provides2id:
 192                         #TODO: Select a package in provides (version?)
 193                         req_info['id'] = provides2id[req_name][0]['id']
 194                     elif req_name in pkg2id:
 195                         req_info['id'] = pkg2id[req_name]
 196                     elif req_name in file2id:
 197                         req_info['id'] = file2id[req_name][0]['id']
 198                     else:
 199                         #TODO: Exception Check
 200                         # the dependent package does not exist.
 201                         logger.warning('"%s" required by "%s" does not exist.', req_name, pkg_list[pkg_id].get('name'))
 202
 203     def _get_tagname(self, root):
 204         tags = {}
 205         # xmlns = re.sub('metadata$', '', root.tag)
 206         tags['metadata'] = '{%s}metadata' % root.nsmap[None]
 207         tags['package'] = '{%s}package' % root.nsmap[None]
 208         tags['name'] = '{%s}name' % root.nsmap[None]
 209         tags['arch'] = '{%s}arch' % root.nsmap[None]
 210         tags['version'] = '{%s}version' % root.nsmap[None]
 211         tags['checksum'] = '{%s}checksum' % root.nsmap[None]
 212         tags['summary'] = '{%s}summary' % root.nsmap[None]
 213         tags['description'] = '{%s}description' % root.nsmap[None]
 214         tags['location'] = '{%s}location' % root.nsmap[None]
 215         tags['size'] = '{%s}size' % root.nsmap[None]
 216         tags['format'] = '{%s}format' % root.nsmap[None]
 217         tags['requires'] = '{%s}requires' % root.nsmap['rpm']
 218         tags['provides'] = '{%s}provides' % root.nsmap['rpm']
 219         tags['conflicts'] = '{%s}conflicts' % root.nsmap['rpm']
 220         tags['suggests'] = '{%s}suggests' % root.nsmap['rpm']
 221         tags['recommends'] = '{%s}recommends' % root.nsmap['rpm']
 222         tags['file'] = '{%s}file' % root.nsmap[None]
 223         return tags
 224
 225     def _filtering_data_based_arch(self, xml_list, tag_dic):
 226         ret_list = []
 227         for xml_root in xml_list:
 228             pkg_data = {}
 229             for pkg_elm in xml_root.findall(tag_dic['package']):
 230                 pkg_arch = pkg_elm.findtext(tag_dic['arch'])
 231                 if pkg_arch not in archPolicies[self.arch] and pkg_arch not in default_arch:
 232                     continue;
 233                 if not pkg_data.get(pkg_arch):
 234                     pkg_data[pkg_arch] = []
 235                 pkg_data[pkg_arch].append(pkg_elm)
 236             ret_list.append(pkg_data)
 237         return ret_list
 238
 239     def parse(self):
 240         logger = logging.getLogger(__name__)
 241         if not self.repodata_list:
 242             return None
 243
 244         xml_list = []
 245         try:
 246             for repodata in self.repodata_list:
 247                 tree = etree.parse(repodata['primary'])
 248                 xml_list.append(tree.getroot())
 249         except etree.XMLSyntaxError as e:
 250             logger.info(e)
 251             raise TICError(configmgr.message['xml_parse_error'] % ('primary', repodata['baseurl']))
 252
 253         tag_dic = self._get_tagname(xml_list[0])
 254
 255         # TODO: temporary code (should be deleted)
 256         # meta_string='<?xml version="1.0" encoding="UTF-8"?><metadata xmlns="http://linux.duke.edu/metadata/common" xmlns:rpm="http://linux.duke.edu/metadata/rpm" packages="1467"><package type="rpm"><name>building-blocks-root-metapkg</name><arch>armv7l</arch><version epoch="0" ver="2.0.4" rel="4.2" vcs="platform/upstream/SDL#5f9405ba696ad79a0e05150430fe69e874f8280d" /><checksum type="sha256" pkgid="YES">6f74666eb89e1addc4ce75e25f3e639bbfdd8798fc848a6b7027501070567dcf</checksum><summary>Simple DirectMedia Layer</summary><description>This is the Simple DirectMedia Layer, a generic API that provides low level access to audio, keyboard, mouse, and display framebuffer across multiple platforms.</description><packager /><url>http://www.libsdl.org/</url><time file="1476718677" build="1476718668" /><size package="264245" installed="956696" archive="957124" /><location href="armv7l/SDL2-2.0.4-4.2.armv7l.rpm" /><format><rpm:license>Zlib and SGI-B-2.0</rpm:license><rpm:vendor>tizen</rpm:vendor><rpm:group>System Environment/Libraries</rpm:group><rpm:buildhost>w36</rpm:buildhost><rpm:sourcerpm>SDL2-2.0.4-4.2.src.rpm</rpm:sourcerpm><rpm:header-range start="280" end="5958" /><rpm:requires><rpm:entry name="building-blocks-sub1-metapkg-extsub1" /><rpm:entry name="building-blocks-sub1-metapkg-extsub2" /></rpm:requires></format></package><package type="rpm"><name>building-blocks-sub1-metapkg-extsub1</name><arch>armv7l</arch><version epoch="0" ver="2.0.4" rel="4.2" vcs="platform/upstream/SDL#5f9405ba696ad79a0e05150430fe69e874f8280d" /><checksum type="sha256" pkgid="YES">6f74666eb89e1addc4ce75e25f3e639bbfdd8798fc848a6b7027501070567dcf</checksum><summary>sub1-extension</summary><description>This is the Simple DirectMedia Layer, a generic API that provides low level access to audio, keyboard, mouse, and display framebuffer across multiple platforms.</description><packager /><url>http://www.libsdl.org/</url><time file="1476718677" build="1476718668" /><size package="264245" installed="956696" archive="957124" /><location href="armv7l/SDL2-2.0.4-4.2.armv7l.rpm" /><format><rpm:license>Zlib and SGI-B-2.0</rpm:license><rpm:vendor>tizen</rpm:vendor><rpm:group>System Environment/Libraries</rpm:group><rpm:buildhost>w36</rpm:buildhost><rpm:sourcerpm>SDL2-2.0.4-4.2.src.rpm</rpm:sourcerpm><rpm:header-range start="280" end="5958" /><rpm:requires><rpm:entry name="building-blocks-sub2-metapkg-extsub1-exts1sub1" /></rpm:requires></format></package><package type="rpm"><name>building-blocks-sub2-metapkg-extsub1-exts1sub1</name><arch>armv7l</arch><version epoch="0" ver="2.0.4" rel="4.2" vcs="platform/upstream/SDL#5f9405ba696ad79a0e05150430fe69e874f8280d" /><checksum type="sha256" pkgid="YES">6f74666eb89e1addc4ce75e25f3e639bbfdd8798fc848a6b7027501070567dcf</checksum><summary>sub2-extension</summary><description>This is the Simple DirectMedia Layer, a generic API that provides low level access to audio, keyboard, mouse, and display framebuffer across multiple platforms.</description><packager /><url>http://www.libsdl.org/</url><time file="1476718677" build="1476718668" /><size package="264245" installed="956696" archive="957124" /><location href="armv7l/SDL2-2.0.4-4.2.armv7l.rpm" /><format><rpm:license>Zlib and SGI-B-2.0</rpm:license><rpm:vendor>tizen</rpm:vendor><rpm:group>System Environment/Libraries</rpm:group><rpm:buildhost>w36</rpm:buildhost><rpm:sourcerpm>SDL2-2.0.4-4.2.src.rpm</rpm:sourcerpm><rpm:header-range start="280" end="5958" /><rpm:conflicts><rpm:entry name="building-blocks-sub2-metapkg-extsub1-exts1sub2" /></rpm:conflicts></format></package><package type="rpm"><name>building-blocks-sub2-metapkg-extsub1-exts1sub2</name><arch>armv7l</arch><version epoch="0" ver="2.0.4" rel="4.2" vcs="platform/upstream/SDL#5f9405ba696ad79a0e05150430fe69e874f8280d" /><checksum type="sha256" pkgid="YES">6f74666eb89e1addc4ce75e25f3e639bbfdd8798fc848a6b7027501070567dcf</checksum><summary>sub2-extension</summary><description>This is the Simple DirectMedia Layer, a generic API that provides low level access to audio, keyboard, mouse, and display framebuffer across multiple platforms.</description><packager /><url>http://www.libsdl.org/</url><time file="1476718677" build="1476718668" /><size package="264245" installed="956696" archive="957124" /><location href="armv7l/SDL2-2.0.4-4.2.armv7l.rpm" /><format><rpm:license>Zlib and SGI-B-2.0</rpm:license><rpm:vendor>tizen</rpm:vendor><rpm:group>System Environment/Libraries</rpm:group><rpm:buildhost>w36</rpm:buildhost><rpm:sourcerpm>SDL2-2.0.4-4.2.src.rpm</rpm:sourcerpm><rpm:header-range start="280" end="5958" /><rpm:conflicts><rpm:entry name="building-blocks-sub2-metapkg-extsub1-exts1sub1" /></rpm:conflicts></format></package><package type="rpm"><name>building-blocks-sub1-metapkg-extsub2</name><arch>armv7l</arch><version epoch="0" ver="2.0.4" rel="4.2" vcs="platform/upstream/SDL#5f9405ba696ad79a0e05150430fe69e874f8280d" /><checksum type="sha256" pkgid="YES">6f74666eb89e1addc4ce75e25f3e639bbfdd8798fc848a6b70275010705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 257         # xml_list.append(etree.fromstring(meta_string))
 258
 259         filter_data = self._filtering_data_based_arch(xml_list, tag_dic)
 260
 261         pkg_group = dict(pkg_dict={},
 262                          provides={},
 263                          files={},
 264                          groups={},
 265                          conflicts={},
 266                          meta_info=dict(root=[], sub1=[], sub2=[]))
 267
 268         # parses the repodata (primary.xml)
 269         # for xml_root in xml_list:
 270         #    self._xml_parse(pkg_group, xml_root, tag_dic)
 271         for xml_data in filter_data:
 272             for arch in archPolicies[self.arch]:
 273                 if arch in xml_data:
 274                     self._xml_parse(pkg_group, xml_data[arch], tag_dic)
 275             # noarch, src
 276             for arch in default_arch:
 277                 if arch in xml_data:
 278                     self._xml_parse(pkg_group, xml_data[arch], tag_dic)
 279
 280         # set the requires id
 281         #self._prepare_requires_id(pkg_group)
 282
 283         return pkg_group