jeri

   1 #!/usr/bin/env python
   2
   3 # Dependency check proposed-updates
   4 # Copyright (C) 2001, 2002, 2004  James Troup <james@nocrew.org>
   5 # $Id: jeri,v 1.15 2005-02-08 22:43:45 troup Exp $
   6
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20
  21 ################################################################################
  22
  23 # | > amd64 is more mature than even some released architectures
  24 # |
  25 # | This might be true of the architecture, unfortunately it seems to be the
  26 # | exact opposite for most of the people involved with it.
  27 #
  28 # <1089213290.24029.6.camel@descent.netsplit.com>
  29
  30 ################################################################################
  31
  32 import pg, sys, os;
  33 import utils, db_access
  34 import apt_pkg, apt_inst;
  35
  36 ################################################################################
  37
  38 Cnf = None;
  39 projectB = None;
  40 Options = None;
  41 stable = {};
  42 stable_virtual = {};
  43 architectures = None;
  44
  45 ################################################################################
  46
  47 def usage (exit_code=0):
  48     print """Usage: jeri [OPTION] <CHANGES FILE | DEB FILE | ADMIN FILE>[...]
  49 (Very) Basic dependency checking for proposed-updates.
  50
  51   -q, --quiet                be quieter about what is being done
  52   -v, --verbose              be more verbose about what is being done
  53   -h, --help                 show this help and exit
  54
  55 Need either changes files, deb files or an admin.txt file with a '.joey' suffix."""
  56     sys.exit(exit_code)
  57
  58 ################################################################################
  59
  60 def d_test (dict, key, positive, negative):
  61     if not dict:
  62         return negative;
  63     if dict.has_key(key):
  64         return positive;
  65     else:
  66         return negative;
  67
  68 ################################################################################
  69
  70 def check_dep (depends, dep_type, check_archs, filename, files):
  71     pkg_unsat = 0;
  72     for arch in check_archs:
  73         for parsed_dep in apt_pkg.ParseDepends(depends):
  74             unsat = [];
  75             for atom in parsed_dep:
  76                 (dep, version, constraint) = atom;
  77                 # As a real package?
  78                 if stable.has_key(dep):
  79                     if stable[dep].has_key(arch):
  80                         if apt_pkg.CheckDep(stable[dep][arch], constraint, version):
  81                             if Options["debug"]:
  82                                 print "Found %s as a real package." % (utils.pp_deps(parsed_dep));
  83                             unsat = 0;
  84                             break;
  85                 # As a virtual?
  86                 if stable_virtual.has_key(dep):
  87                     if stable_virtual[dep].has_key(arch):
  88                         if not constraint and not version:
  89                             if Options["debug"]:
  90                                 print "Found %s as a virtual package." % (utils.pp_deps(parsed_dep));
  91                             unsat = 0;
  92                             break;
  93                 # As part of the same .changes?
  94                 epochless_version = utils.re_no_epoch.sub('', version)
  95                 dep_filename = "%s_%s_%s.deb" % (dep, epochless_version, arch);
  96                 if files.has_key(dep_filename):
  97                     if Options["debug"]:
  98                         print "Found %s in the same upload." % (utils.pp_deps(parsed_dep));
  99                     unsat = 0;
 100                     break;
 101                 # Not found...
 102                 # [FIXME: must be a better way ... ]
 103                 error = "%s not found. [Real: " % (utils.pp_deps(parsed_dep))
 104                 if stable.has_key(dep):
 105                     if stable[dep].has_key(arch):
 106                         error += "%s:%s:%s" % (dep, arch, stable[dep][arch]);
 107                     else:
 108                         error += "%s:-:-" % (dep);
 109                 else:
 110                     error += "-:-:-";
 111                 error += ", Virtual: ";
 112                 if stable_virtual.has_key(dep):
 113                     if stable_virtual[dep].has_key(arch):
 114                         error += "%s:%s" % (dep, arch);
 115                     else:
 116                         error += "%s:-";
 117                 else:
 118                     error += "-:-";
 119                 error += ", Upload: ";
 120                 if files.has_key(dep_filename):
 121                     error += "yes";
 122                 else:
 123                     error += "no";
 124                 error += "]";
 125                 unsat.append(error);
 126
 127             if unsat:
 128                 sys.stderr.write("MWAAP! %s: '%s' %s can not be satisifed:\n" % (filename, utils.pp_deps(parsed_dep), dep_type));
 129                 for error in unsat:
 130                     sys.stderr.write("  %s\n" % (error));
 131                 pkg_unsat = 1;
 132
 133     return pkg_unsat;
 134
 135 def check_package(filename, files):
 136     try:
 137         control = apt_pkg.ParseSection(apt_inst.debExtractControl(utils.open_file(filename)));
 138     except:
 139         utils.warn("%s: debExtractControl() raised %s." % (filename, sys.exc_type));
 140         return 1;
 141     Depends = control.Find("Depends");
 142     Pre_Depends = control.Find("Pre-Depends");
 143     #Recommends = control.Find("Recommends");
 144     pkg_arch = control.Find("Architecture");
 145     base_file = os.path.basename(filename);
 146     if pkg_arch == "all":
 147         check_archs = architectures;
 148     else:
 149         check_archs = [pkg_arch];
 150
 151     pkg_unsat = 0;
 152     if Pre_Depends:
 153         pkg_unsat += check_dep(Pre_Depends, "pre-dependency", check_archs, base_file, files);
 154
 155     if Depends:
 156         pkg_unsat += check_dep(Depends, "dependency", check_archs, base_file, files);
 157     #if Recommends:
 158     #pkg_unsat += check_dep(Recommends, "recommendation", check_archs, base_file, files);
 159
 160     return pkg_unsat;
 161
 162 ################################################################################
 163
 164 def pass_fail (filename, result):
 165     if not Options["quiet"]:
 166         print "%s:" % (os.path.basename(filename)),
 167         if result:
 168             print "FAIL";
 169         else:
 170             print "ok";
 171
 172 ################################################################################
 173
 174 def check_changes (filename):
 175     try:
 176         changes = utils.parse_changes(filename);
 177         files = utils.build_file_list(changes);
 178     except:
 179         utils.warn("Error parsing changes file '%s'" % (filename));
 180         return;
 181
 182     result = 0;
 183
 184     # Move to the pool directory
 185     cwd = os.getcwd();
 186     file = files.keys()[0];
 187     pool_dir = Cnf["Dir::Pool"] + '/' + utils.poolify(changes["source"], files[file]["component"]);
 188     os.chdir(pool_dir);
 189
 190     changes_result = 0;
 191     for file in files.keys():
 192         if file.endswith(".deb"):
 193             result = check_package(file, files);
 194             if Options["verbose"]:
 195                 pass_fail(file, result);
 196             changes_result += result;
 197
 198     pass_fail (filename, changes_result);
 199
 200     # Move back
 201     os.chdir(cwd);
 202
 203 ################################################################################
 204
 205 def check_deb (filename):
 206     result = check_package(filename, {});
 207     pass_fail(filename, result);
 208
 209
 210 ################################################################################
 211
 212 def check_joey (filename):
 213     file = utils.open_file(filename);
 214
 215     cwd = os.getcwd();
 216     os.chdir("%s/dists/proposed-updates" % (Cnf["Dir::Root"]));
 217
 218     for line in file.readlines():
 219         line = line.rstrip();
 220         if line.find('install') != -1:
 221             split_line = line.split();
 222             if len(split_line) != 2:
 223                 utils.fubar("Parse error (not exactly 2 elements): %s" % (line));
 224             install_type = split_line[0];
 225             if install_type not in [ "install", "install-u", "sync-install" ]:
 226                 utils.fubar("Unknown install type ('%s') from: %s" % (install_type, line));
 227             changes_filename = split_line[1]
 228             if Options["debug"]:
 229                 print "Processing %s..." % (changes_filename);
 230             check_changes(changes_filename);
 231     file.close();
 232
 233     os.chdir(cwd);
 234
 235 ################################################################################
 236
 237 def parse_packages():
 238     global stable, stable_virtual, architectures;
 239
 240     # Parse the Packages files (since it's a sub-second operation on auric)
 241     suite = "stable";
 242     stable = {};
 243     components = Cnf.ValueList("Suite::%s::Components" % (suite));
 244     architectures = filter(utils.real_arch, Cnf.ValueList("Suite::%s::Architectures" % (suite)));
 245     for component in components:
 246         for architecture in architectures:
 247             filename = "%s/dists/%s/%s/binary-%s/Packages" % (Cnf["Dir::Root"], suite, component, architecture);
 248             packages = utils.open_file(filename, 'r');
 249             Packages = apt_pkg.ParseTagFile(packages);
 250             while Packages.Step():
 251                 package = Packages.Section.Find('Package');
 252                 version = Packages.Section.Find('Version');
 253                 provides = Packages.Section.Find('Provides');
 254                 if not stable.has_key(package):
 255                     stable[package] = {};
 256                 stable[package][architecture] = version;
 257                 if provides:
 258                     for virtual_pkg in provides.split(","):
 259                         virtual_pkg = virtual_pkg.strip();
 260                         if not stable_virtual.has_key(virtual_pkg):
 261                             stable_virtual[virtual_pkg] = {};
 262                         stable_virtual[virtual_pkg][architecture] = "NA";
 263             packages.close()
 264
 265 ################################################################################
 266
 267 def main ():
 268     global Cnf, projectB, Options;
 269
 270     Cnf = utils.get_conf()
 271
 272     Arguments = [('d', "debug", "Jeri::Options::Debug"),
 273                  ('q',"quiet","Jeri::Options::Quiet"),
 274                  ('v',"verbose","Jeri::Options::Verbose"),
 275                  ('h',"help","Jeri::Options::Help")];
 276     for i in [ "debug", "quiet", "verbose", "help" ]:
 277         if not Cnf.has_key("Jeri::Options::%s" % (i)):
 278             Cnf["Jeri::Options::%s" % (i)] = "";
 279
 280     arguments = apt_pkg.ParseCommandLine(Cnf,Arguments,sys.argv);
 281     Options = Cnf.SubTree("Jeri::Options")
 282
 283     if Options["Help"]:
 284         usage(0);
 285     if not arguments:
 286         utils.fubar("need at least one package name as an argument.");
 287
 288     projectB = pg.connect(Cnf["DB::Name"], Cnf["DB::Host"], int(Cnf["DB::Port"]));
 289     db_access.init(Cnf, projectB);
 290
 291     print "Parsing packages files...",
 292     parse_packages();
 293     print "done.";
 294
 295     for file in arguments:
 296         if file.endswith(".changes"):
 297             check_changes(file);
 298         elif file.endswith(".deb"):
 299             check_deb(file);
 300         elif file.endswith(".joey"):
 301             check_joey(file);
 302         else:
 303             utils.fubar("Unrecognised file type: '%s'." % (file));
 304
 305 #######################################################################################
 306
 307 if __name__ == '__main__':
 308     main()