daklib/changes.py

   1 #!/usr/bin/env python
   2 # vim:set et sw=4:
   3
   4 """
   5 Changes class for dak
   6
   7 @contact: Debian FTP Master <ftpmaster@debian.org>
   8 @copyright: 2001 - 2006 James Troup <james@nocrew.org>
   9 @copyright: 2009  Joerg Jaspert <joerg@debian.org>
  10 @copyright: 2009  Mark Hymers <mhy@debian.org>
  11 @license: GNU General Public License version 2 or later
  12 """
  13
  14 # This program is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27
  28 ###############################################################################
  29
  30 import os
  31 import stat
  32
  33 import datetime
  34 from cPickle import Unpickler, Pickler
  35 from errno import EPERM
  36
  37 from apt_inst import debExtractControl
  38 from apt_pkg import ParseSection
  39
  40 from utils import open_file, fubar, poolify
  41 from config import *
  42 from dbconn import *
  43
  44 ###############################################################################
  45
  46 __all__ = []
  47
  48 ###############################################################################
  49
  50 CHANGESFIELDS_MANDATORY = [ "distribution", "source", "architecture",
  51         "version", "maintainer", "urgency", "fingerprint", "changedby822",
  52         "changedby2047", "changedbyname", "maintainer822", "maintainer2047",
  53         "maintainername", "maintaineremail", "closes", "changes" ]
  54
  55 __all__.append('CHANGESFIELDS_MANDATORY')
  56
  57 CHANGESFIELDS_OPTIONAL = [ "changed-by", "filecontents", "format",
  58         "process-new note", "adv id", "distribution-version", "sponsoremail" ]
  59
  60 __all__.append('CHANGESFIELDS_OPTIONAL')
  61
  62 CHANGESFIELDS_FILES = [ "package", "version", "architecture", "type", "size",
  63         "md5sum", "sha1sum", "sha256sum", "component", "location id",
  64         "source package", "source version", "maintainer", "dbtype", "files id",
  65         "new", "section", "priority", "othercomponents", "pool name",
  66         "original component" ]
  67
  68 __all__.append('CHANGESFIELDS_FILES')
  69
  70 CHANGESFIELDS_DSC = [ "source", "version", "maintainer", "fingerprint",
  71         "uploaders", "bts changelog", "dm-upload-allowed" ]
  72
  73 __all__.append('CHANGESFIELDS_DSC')
  74
  75 CHANGESFIELDS_DSCFILES_MANDATORY = [ "size", "md5sum" ]
  76
  77 __all__.append('CHANGESFIELDS_DSCFILES_MANDATORY')
  78
  79 CHANGESFIELDS_DSCFILES_OPTIONAL = [ "files id" ]
  80
  81 __all__.append('CHANGESFIELDS_DSCFILES_OPTIONAL')
  82
  83 CHANGESFIELDS_ORIGFILES = [ "id", "location" ]
  84
  85 __all__.append('CHANGESFIELDS_ORIGFILES')
  86
  87 ###############################################################################
  88
  89 class Changes(object):
  90     """ Convenience wrapper to carry around all the package information """
  91
  92     def __init__(self, **kwds):
  93         self.reset()
  94
  95     def reset(self):
  96         self.changes_file = ""
  97
  98         self.changes = {}
  99         self.dsc = {}
 100         self.files = {}
 101         self.dsc_files = {}
 102         self.orig_files = {}
 103
 104     def file_summary(self):
 105         # changes["distribution"] may not exist in corner cases
 106         # (e.g. unreadable changes files)
 107         if not self.changes.has_key("distribution") or not \
 108                isinstance(self.changes["distribution"], dict):
 109             self.changes["distribution"] = {}
 110
 111         byhand = False
 112         new = False
 113         summary = ""
 114         override_summary = ""
 115
 116         for name, entry in sorted(self.files.items()):
 117             if entry.has_key("byhand"):
 118                 byhand = True
 119                 summary += name + " byhand\n"
 120
 121             elif entry.has_key("new"):
 122                 new = True
 123                 summary += "(new) %s %s %s\n" % (name, entry["priority"], entry["section"])
 124
 125                 if entry.has_key("othercomponents"):
 126                     summary += "WARNING: Already present in %s distribution.\n" % (entry["othercomponents"])
 127
 128                 if entry["type"] == "deb":
 129                     deb_fh = open_file(name)
 130                     summary += ParseSection(debExtractControl(deb_fh))["Description"] + '\n'
 131                     deb_fh.close()
 132
 133             else:
 134                 entry["pool name"] = poolify(self.changes.get("source", ""), entry["component"])
 135                 destination = entry["pool name"] + name
 136                 summary += name + "\n  to " + destination + "\n"
 137
 138                 if not entry.has_key("type"):
 139                     entry["type"] = "unknown"
 140
 141                 if entry["type"] in ["deb", "udeb", "dsc"]:
 142                     # (queue/unchecked), there we have override entries already, use them
 143                     # (process-new), there we dont have override entries, use the newly generated ones.
 144                     override_prio = entry.get("override priority", entry["priority"])
 145                     override_sect = entry.get("override section", entry["section"])
 146                     override_summary += "%s - %s %s\n" % (name, override_prio, override_sect)
 147
 148         return (byhand, new, summary, override_summary)
 149
 150     def check_override(self):
 151         """
 152         Checks override entries for validity.
 153
 154         Returns an empty string if there are no problems
 155         or the text of a warning if there are
 156         """
 157
 158         summary = ""
 159
 160         # Abandon the check if it's a non-sourceful upload
 161         if not self.changes["architecture"].has_key("source"):
 162             return summary
 163
 164         for name, entry in sorted(self.files.items()):
 165             if not entry.has_key("new") and entry["type"] == "deb":
 166                 if entry["section"] != "-":
 167                     if entry["section"].lower() != entry["override section"].lower():
 168                         summary += "%s: package says section is %s, override says %s.\n" % (name,
 169                                                                                             entry["section"],
 170                                                                                             entry["override section"])
 171
 172                 if entry["priority"] != "-":
 173                     if entry["priority"] != entry["override priority"]:
 174                         summary += "%s: package says priority is %s, override says %s.\n" % (name,
 175                                                                                              entry["priority"],
 176                                                                                              entry["override priority"])
 177
 178         return summary
 179
 180     @session_wrapper
 181     def remove_known_changes(self, session=None):
 182         session.delete(get_dbchange(self.changes_file, session))
 183
 184     def mark_missing_fields(self):
 185         """add "missing" in fields which we will require for the known_changes table"""
 186         for key in ['urgency', 'maintainer', 'fingerprint', 'changed-by' ]:
 187             if (not self.changes.has_key(key)) or (not self.changes[key]):
 188                 self.changes[key]='missing'
 189
 190     def __get_file_from_pool(self, filename, entry, session):
 191         cnf = Config()
 192
 193         poolname = poolify(entry["source"], entry["component"])
 194         l = get_location(cnf["Dir::Pool"], entry["component"], session=session)
 195
 196         found, poolfile = check_poolfile(os.path.join(poolname, filename),
 197                                          entry['size'],
 198                                          entry["md5sum"],
 199                                          l.location_id,
 200                                          session=session)
 201
 202         if found is None:
 203             Logger.log(["E: Found multiple files for pool (%s) for %s" % (chg_fn, entry["component"])])
 204             return None
 205         elif found is False and poolfile is not None:
 206             Logger.log(["E: md5sum/size mismatch for %s in pool" % (chg_fn)])
 207             return None
 208         else:
 209             if poolfile is None:
 210                 Logger.log(["E: Could not find %s in pool" % (chg_fn)])
 211                 return None
 212             else:
 213                 return poolfile
 214
 215     @session_wrapper
 216     def add_known_changes(self, dirpath, in_queue=None, session=None):
 217         """add "missing" in fields which we will require for the known_changes table"""
 218         cnf = Config()
 219
 220         changesfile = os.path.join(dirpath, self.changes_file)
 221         filetime = datetime.datetime.fromtimestamp(os.path.getctime(changesfile))
 222
 223         self.mark_missing_fields()
 224
 225         multivalues = {}
 226         for key in ("distribution", "architecture", "binary"):
 227             if isinstance(self.changes[key], dict):
 228                 multivalues[key] = " ".join(self.changes[key].keys())
 229             else:
 230                 multivalues[key] = self.changes[key]
 231
 232         chg = DBChange()
 233         chg.changesname = self.changes_file
 234         chg.seen = filetime
 235         chg.in_queue_id = in_queue
 236         chg.source = self.changes["source"]
 237         chg.binaries = multivalues["binary"]
 238         chg.architecture = multivalues["architecture"]
 239         chg.version = self.changes["version"]
 240         chg.distribution = multivalues["distribution"]
 241         chg.urgency = self.changes["urgency"]
 242         chg.maintainer = self.changes["maintainer"]
 243         chg.fingerprint = self.changes["fingerprint"]
 244         chg.changedby = self.changes["changed-by"]
 245         chg.date = self.changes["date"]
 246
 247         session.add(chg)
 248
 249         files = []
 250         for chg_fn, entry in self.files.items():
 251             try:
 252                 f = open(os.path.join(dirpath, chg_fn))
 253                 cpf = ChangePendingFile()
 254                 cpf.filename = chg_fn
 255                 cpf.size = entry['size']
 256                 cpf.md5sum = entry['md5sum']
 257
 258                 if entry.has_key('sha1sum'):
 259                     cpf.sha1sum = entry['sha1sum']
 260                 else:
 261                     f.seek(0)
 262                     cpf.sha1sum = apt_pkg.sha1sum(f)
 263
 264                 if entry.has_key('sha256sum'):
 265                     cpf.sha256sum = entry['sha256sum']
 266                 else:
 267                     f.seek(0)
 268                     cpf.sha256sum = apt_pkg.sha256sum(f)
 269
 270                 session.add(cpf)
 271                 files.append(cpf)
 272                 f.close()
 273
 274             except IOError:
 275                 # Can't find the file, try to look it up in the pool
 276                 poolfile = self.__get_file_from_pool(chg_fn, entry, session)
 277                 if poolfile:
 278                     chg.poolfiles.append(poolfile)
 279
 280         chg.files = files
 281
 282         # Add files referenced in .dsc, but not included in .changes
 283         for name, entry in self.dsc_files.items():
 284             if self.files.has_key(name):
 285                 continue
 286
 287             entry['source'] = self.changes['source']
 288             poolfile = self.__get_file_from_pool(name, entry, session)
 289             if poolfile:
 290                 chg.poolfiles.append(poolfile)
 291
 292         session.commit()
 293         chg = session.query(DBChange).filter_by(changesname = self.changes_file).one();
 294
 295         return chg
 296
 297     def unknown_files_fields(self, name):
 298         return sorted(list( set(self.files[name].keys()) -
 299                             set(CHANGESFIELDS_FILES)))
 300
 301     def unknown_changes_fields(self):
 302         return sorted(list( set(self.changes.keys()) -
 303                             set(CHANGESFIELDS_MANDATORY + CHANGESFIELDS_OPTIONAL)))
 304
 305     def unknown_dsc_fields(self):
 306         return sorted(list( set(self.dsc.keys()) -
 307                             set(CHANGESFIELDS_DSC)))
 308
 309     def unknown_dsc_files_fields(self, name):
 310         return sorted(list( set(self.dsc_files[name].keys()) -
 311                             set(CHANGESFIELDS_DSCFILES_MANDATORY + CHANGESFIELDS_DSCFILES_OPTIONAL)))
 312
 313     def str_files(self):
 314         r = []
 315         for name, entry in self.files.items():
 316             r.append("  %s:" % (name))
 317             for i in CHANGESFIELDS_FILES:
 318                 if entry.has_key(i):
 319                     r.append("   %s: %s" % (i.capitalize(), entry[i]))
 320             xfields = self.unknown_files_fields(name)
 321             if len(xfields) > 0:
 322                 r.append("files[%s] still has following unrecognised keys: %s" % (name, ", ".join(xfields)))
 323
 324         return r
 325
 326     def str_changes(self):
 327         r = []
 328         for i in CHANGESFIELDS_MANDATORY:
 329             val = self.changes[i]
 330             if isinstance(val, list):
 331                 val = " ".join(val)
 332             elif isinstance(val, dict):
 333                 val = " ".join(val.keys())
 334             r.append('  %s: %s' % (i.capitalize(), val))
 335
 336         for i in CHANGESFIELDS_OPTIONAL:
 337             if self.changes.has_key(i):
 338                 r.append('  %s: %s' % (i.capitalize(), self.changes[i]))
 339
 340         xfields = self.unknown_changes_fields()
 341         if len(xfields) > 0:
 342             r.append("Warning: changes still has the following unrecognised fields: %s" % ", ".join(xfields))
 343
 344         return r
 345
 346     def str_dsc(self):
 347         r = []
 348         for i in CHANGESFIELDS_DSC:
 349             if self.dsc.has_key(i):
 350                 r.append('  %s: %s' % (i.capitalize(), self.dsc[i]))
 351
 352         xfields = self.unknown_dsc_fields()
 353         if len(xfields) > 0:
 354             r.append("Warning: dsc still has the following unrecognised fields: %s" % ", ".join(xfields))
 355
 356         return r
 357
 358     def str_dsc_files(self):
 359         r = []
 360         for name, entry in self.dsc_files.items():
 361             r.append("  %s:" % (name))
 362             for i in CHANGESFIELDS_DSCFILES_MANDATORY:
 363                 r.append("   %s: %s" % (i.capitalize(), entry[i]))
 364             for i in CHANGESFIELDS_DSCFILES_OPTIONAL:
 365                 if entry.has_key(i):
 366                     r.append("   %s: %s" % (i.capitalize(), entry[i]))
 367             xfields = self.unknown_dsc_files_fields(name)
 368             if len(xfields) > 0:
 369                 r.append("dsc_files[%s] still has following unrecognised keys: %s" % (name, ", ".join(xfields)))
 370
 371         return r
 372
 373     def __str__(self):
 374         r = []
 375
 376         r.append(" Changes:")
 377         r += self.str_changes()
 378
 379         r.append("")
 380
 381         r.append(" Dsc:")
 382         r += self.str_dsc()
 383
 384         r.append("")
 385
 386         r.append(" Files:")
 387         r += self.str_files()
 388
 389         r.append("")
 390
 391         r.append(" Dsc Files:")
 392         r += self.str_dsc_files()
 393
 394         return "\n".join(r)
 395
 396 __all__.append('Changes')