dak/import_repository.py

   1 #! /usr/bin/env python
   2 #
   3 # Copyright (C) 2015, Ansgar Burchardt <ansgar@debian.org>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along
  16 # with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19 from __future__ import print_function
  20
  21 import daklib.archive
  22 import daklib.config
  23 import daklib.dbconn
  24 import daklib.import_repository
  25 import daklib.utils
  26
  27 import apt_pkg
  28 import sys
  29
  30 from collections import defaultdict
  31
  32 def usage(status=0):
  33     print("""
  34 dak import-repository
  35   --keyring=/usr/share/keyring/debian-archive-keyring.gpg
  36   [--key=${fingerprint}]
  37   [--architectures=a,b,c (default: architectures in origin suite)]
  38   [--components=main,contrib (default: components in origin suite)]
  39   [--target-suite=${suite} (default: origin suite name)]
  40   [--add-overrides]
  41   http://httpredir.debian.org/debian unstable
  42
  43 Things to think about:
  44  - Import Built-Using sources
  45    - all / only referenced
  46  - Remove old packages:
  47    - by-source: remove source X_v, if no X exists upstream
  48    - by-version: remove source X_v, if no X_v exists upstream
  49    (X denotes package name, v version, X_v package at a specific version)
  50  - Import all or only newest?
  51  - Expire binary packages?
  52 """)
  53     sys.exit(status)
  54
  55 def entry_is_newer(entry, packages):
  56     version = entry['Version']
  57     for p in packages[entry['Package']]:
  58         if apt_pkg.version_compare(version, p.version) <= 0:
  59             return False
  60     return True
  61
  62 def entry_in_packages(entry, packages):
  63     return entry['Package'] in packages
  64
  65 def get_packages_in_suite(suite):
  66     sources = defaultdict(list)
  67     for s in suite.sources:
  68         sources[s.source].append(s)
  69
  70     packages = defaultdict(list)
  71     for b in suite.binaries:
  72         packages[b.package].append(b)
  73
  74     return sources, packages
  75
  76 def main(argv=None):
  77     if argv is None:
  78         argv = sys.argv
  79
  80     arguments = [
  81         ('h', 'help', 'Import-Repository::Help'),
  82         ('k', 'keyring', 'Import-Repository::Keyring', 'HasArg'),
  83         ('K', 'key', 'Import-Repository::Key', 'HasArg'),
  84         ('a', 'architectures', 'Import-Repository::Architectures', 'HasArg'),
  85         ('c', 'components', 'Import-Repository::Components', 'HasArg'),
  86         ('t', 'target-suite', 'Import-Repository::Target-Suite', 'HasArg'),
  87         ('A', 'add-overrides', 'Import-Repository::AddOverrides'),
  88         ]
  89
  90     cnf = daklib.config.Config();
  91     argv = apt_pkg.parse_commandline(cnf.Cnf, arguments, argv)
  92     options = cnf.subtree('Import-Repository')
  93
  94     if 'Help' in options or len(argv) < 2:
  95         usage(0)
  96
  97     keyring = options.find('Keyring') or None
  98     if keyring is None:
  99         print("Error: No keyring specified")
 100         print()
 101
 102     if 'Key' in options:
 103         raise Exception('Not implemented.')
 104
 105     if 'AddOverrides' in options:
 106         raise Exception('Not implemented.')
 107
 108     base, suite = argv[0:2]
 109
 110     target_suite_name = options.find('Target-Suite') or suite
 111
 112     print("Importing packages from {0}/dists/{1} to {2}".format(base, suite, target_suite_name))
 113     with daklib.archive.ArchiveTransaction() as transaction:
 114         target_suite = daklib.dbconn.get_suite(target_suite_name, transaction.session)
 115         if target_suite is None:
 116             daklib.utils.fubar("Target suite '{0}' is unknown.".format(target_suite_name))
 117
 118         release = daklib.import_repository.obtain_release(base, suite, keyring)
 119         target_sources, target_binaries = get_packages_in_suite(target_suite)
 120
 121         if 'Architectures' in options:
 122             architectures = options['Architectures'].split(',')
 123         else:
 124             architectures = ['all'] + release.architectures()
 125
 126         if 'Components' in options:
 127             components = options['Components'].split(',')
 128         else:
 129             components = release.components()
 130
 131         # TODO: Clean this up...
 132
 133         extra_sources = dict()
 134         extra_sources_comp = defaultdict(set)
 135         for c in components:
 136             component = daklib.dbconn.get_component(c, transaction.session)
 137             print("Processing {0}/source...".format(c))
 138             sources = release.sources(c)
 139             for entry in sources:
 140                 if entry.get('Extra-Source-Only', 'no') == 'yes':
 141                     # Remember package, we might need to import it later.
 142                     key = (entry['Package'], entry['Version'])
 143                     extra_sources[key] = entry
 144                     extra_sources_comp[key].add(c)
 145                     continue
 146                 if not entry_in_packages(entry, target_sources) or entry_is_newer(entry, target_sources):
 147                     print("Importing {0}={1}".format(entry['Package'], entry['Version']))
 148                     daklib.import_repository.import_source_to_suite(base, entry, transaction, target_suite, component)
 149                     #transaction.commit()
 150
 151         for c in components:
 152             component = daklib.dbconn.get_component(c, transaction.session)
 153             for architecture in architectures:
 154                 print("Processing {0}/{1}...".format(c, architecture))
 155                 packages = release.packages(c, architecture)
 156                 for entry in packages:
 157                     if not entry_in_packages(entry, target_binaries) or entry_is_newer(entry, target_binaries):
 158                         print("Importing {0}={1} ({2})".format(entry['Package'], entry['Version'], architecture))
 159                         # Import Built-Using sources:
 160                         for bu_source, bu_version in daklib.utils.parse_built_using(entry):
 161                             if not daklib.import_repository.source_in_archive(bu_source, bu_version, target_suite.archive):
 162                                 print("Importing extra source {0}={1}".format(bu_source, bu_version))
 163                                 key = (bu_source, bu_version)
 164                                 extra_entry = extra_sources.get(key)
 165                                 if extra_entry is None:
 166                                     raise Exception("Extra source {0}={1} referenced by {2}={3} ({4}) not found in source suite.".format(bu_source, bu_version, entry['Package'], entry['Version'], architecture))
 167                                 extra_components = extra_sources_comp[key]
 168                                 if c in components:
 169                                     extra_component = component
 170                                 else:
 171                                     # TODO: Take preferred components from those listed...
 172                                     raise Exception("Not implemented.")
 173                                 # e.g. a contrib binary package Built-Using a main source
 174                                 daklib.import_repository.import_source_to_suite(base, extra_entry, transaction, target_suite, extra_component)
 175                         # Import binary:
 176                         daklib.import_repository.import_package_to_suite(base, entry, transaction, target_suite, component)
 177                         #transaction.commit()
 178
 179         transaction.rollback()
 180
 181 if __name__ == '__main__':
 182     main()