mapping4.py

   1 # Copyright (C) 2005-2007 Jelmer Vernooij <jelmer@samba.org>
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 from bzrlib import errors
  17
  18 from bzrlib.plugins.svn import mapping
  19
  20 supported_features = set()
  21
  22
  23 class BzrSvnMappingv4(mapping.BzrSvnMapping):
  24     """Mapping between Subversion and Bazaar, introduced in bzr-svn 0.5.
  25
  26     Tries to use revision properties when possible.
  27
  28     TODO: Add variable with required features.
  29     """
  30     revid_prefix = "svn-v4"
  31     upgrade_suffix = "-svn4"
  32     experimental = True
  33
  34     def __init__(self):
  35         self.name = "v4"
  36         self.revprops = mapping.BzrSvnMappingRevProps()
  37         self.fileprops = mapping.BzrSvnMappingFileProps(self.name)
  38
  39     @staticmethod
  40     def supports_roundtripping():
  41         return True
  42
  43     @classmethod
  44     def revision_id_bzr_to_foreign(cls, revid):
  45         assert isinstance(revid, str)
  46
  47         if not revid.startswith(cls.revid_prefix):
  48             raise errors.InvalidRevisionId(revid, "")
  49
  50         try:
  51             (version, uuid, branch_path, srevnum) = revid.split(":")
  52         except ValueError:
  53             raise errors.InvalidRevisionId(revid, "")
  54
  55         branch_path = mapping.unescape_svn_path(branch_path)
  56
  57         return (uuid, branch_path, int(srevnum), cls())
  58
  59     def revision_id_foreign_to_bzr(self, (uuid, revnum, path)):
  60         return "svn-v4:%s:%s:%d" % (uuid, path, revnum)
  61
  62     def generate_file_id(self, uuid, revnum, branch, inv_path):
  63         return "%d@%s:%s/%s" % (revnum, uuid, branch, inv_path.encode("utf-8"))
  64
  65     def is_branch(self, branch_path):
  66         return True
  67
  68     def is_tag(self, tag_path):
  69         return True
  70
  71     def __eq__(self, other):
  72         return type(self) == type(other)
  73
  74     def get_rhs_parents(self, branch_path, svn_revprops, fileprops):
  75         if svn_revprops.has_key(mapping.SVN_REVPROP_BZR_MAPPING_VERSION):
  76             return self.revprops.get_rhs_parents(branch_path, svn_revprops, fileprops)
  77         else:
  78             return self.fileprops.get_rhs_parents(branch_path, svn_revprops, fileprops)
  79
  80     def get_revision_id(self, branch_path, revprops, fileprops):
  81         if revprops.has_key(mapping.SVN_REVPROP_BZR_MAPPING_VERSION):
  82             return self.revprops.get_revision_id(branch_path, revprops, fileprops)
  83         else:
  84             return self.fileprops.get_revision_id(branch_path, revprops, fileprops)
  85
  86     def import_text_parents(self, svn_revprops, fileprops):
  87         if svn_revprops.has_key(mapping.SVN_REVPROP_BZR_TEXT_PARENTS):
  88             return self.revprops.import_text_parents(svn_revprops, fileprops)
  89         else:
  90             return self.fileprops.import_text_parents(svn_revprops, fileprops)
  91
  92     def import_fileid_map(self, svn_revprops, fileprops):
  93         if svn_revprops.has_key(mapping.SVN_REVPROP_BZR_MAPPING_VERSION):
  94             return self.revprops.import_fileid_map(svn_revprops, fileprops)
  95         else:
  96             return self.fileprops.import_fileid_map(svn_revprops, fileprops)
  97
  98     def export_revision(self, can_use_custom_revprops, branch_root, timestamp, timezone, committer, revprops, revision_id,
  99                         revno, merges, fileprops):
 100         if can_use_custom_revprops:
 101             (svn_revprops, fileprops) = self.revprops.export_revision(can_use_custom_revprops, branch_root, timestamp, timezone, committer,
 102                                           revprops, revision_id, revno, merges, fileprops)
 103             svn_revprops[mapping.SVN_REVPROP_BZR_MAPPING_VERSION] = "4"
 104             return (svn_revprops, fileprops)
 105         else:
 106             return self.fileprops.export_revision(can_use_custom_revprops, branch_root, timestamp, timezone, committer,
 107                                       revprops, revision_id, revno, merges, fileprops)
 108
 109     def export_fileid_map(self, can_use_custom_revprops, fileids, revprops, fileprops):
 110         if can_use_custom_revprops:
 111             self.revprops.export_fileid_map(can_use_custom_revprops, fileids, revprops, fileprops)
 112         else:
 113             self.fileprops.export_fileid_map(can_use_custom_revprops, fileids, revprops, fileprops)
 114
 115     def export_text_parents(self, can_use_custom_revprops, text_parents, revprops, fileprops):
 116         if can_use_custom_revprops:
 117             self.revprops.export_text_parents(can_use_custom_revprops, text_parents, revprops, fileprops)
 118         else:
 119             self.fileprops.export_text_parents(can_use_custom_revprops, text_parents, revprops, fileprops)
 120
 121     def import_revision(self, svn_revprops, fileprops, uuid, branch, revnum, rev):
 122         if svn_revprops.has_key(mapping.SVN_REVPROP_BZR_REQUIRED_FEATURES):
 123             features = set(svn_revprops[mapping.SVN_REVPROP_BZR_REQUIRED_FEATURES].split(","))
 124             assert features.issubset(supported_features), "missing feature: %r" % features.difference(supported_features)
 125         if svn_revprops.has_key(mapping.SVN_REVPROP_BZR_MAPPING_VERSION):
 126             self.revprops.import_revision(svn_revprops, fileprops, uuid, branch, revnum, rev)
 127         else:
 128             self.fileprops.import_revision(svn_revprops, fileprops, uuid, branch, revnum, rev)
 129
 130