1 files changed, 113 insertions, 0 deletions
diff --git a/interfaces/email/interactive/libbe/bzr.py b/interfaces/email/interactive/libbe/bzr.py
new file mode 100644
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+++ b/interfaces/email/interactive/libbe/bzr.py
@@ -0,0 +1,113 @@
+# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
+#                         Ben Finney <ben+python@benfinney.id.au>
+#                         Marien Zwart <marienz@gentoo.org>
+#                         W. Trevor King <wking@drexel.edu>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""
+Bazaar (bzr) backend.
+"""
+
+import os
+import re
+import sys
+import unittest
+import doctest
+
+import vcs
+
+
+def new():
+    return Bzr()
+
+class Bzr(vcs.VCS):
+    name = "bzr"
+    client = "bzr"
+    versioned = True
+    def _vcs_help(self):
+        status,output,error = self._u_invoke_client("--help")
+        return output        
+    def _vcs_detect(self, path):
+        if self._u_search_parent_directories(path, ".bzr") != None :
+            return True
+        return False
+    def _vcs_root(self, path):
+        """Find the root of the deepest repository containing path."""
+        status,output,error = self._u_invoke_client("root", path)
+        return output.rstrip('\n')
+    def _vcs_init(self, path):
+        self._u_invoke_client("init", directory=path)
+    def _vcs_get_user_id(self):
+        status,output,error = self._u_invoke_client("whoami")
+        return output.rstrip('\n')
+    def _vcs_set_user_id(self, value):
+        self._u_invoke_client("whoami", value)
+    def _vcs_add(self, path):
+        self._u_invoke_client("add", path)
+    def _vcs_remove(self, path):
+        # --force to also remove unversioned files.
+        self._u_invoke_client("remove", "--force", path)
+    def _vcs_update(self, path):
+        pass
+    def _vcs_get_file_contents(self, path, revision=None, binary=False):
+        if revision == None:
+            return vcs.VCS._vcs_get_file_contents(self, path, revision, binary=binary)
+        else:
+            status,output,error = \
+                self._u_invoke_client("cat","-r",revision,path)
+            return output
+    def _vcs_duplicate_repo(self, directory, revision=None):
+        if revision == None:
+            vcs.VCS._vcs_duplicate_repo(self, directory, revision)
+        else:
+            self._u_invoke_client("branch", "--revision", revision,
+                                  ".", directory)
+    def _vcs_commit(self, commitfile, allow_empty=False):
+        args = ["commit", "--file", commitfile]
+        if allow_empty == True:
+            args.append("--unchanged")
+            status,output,error = self._u_invoke_client(*args)
+        else:
+            kwargs = {"expect":(0,3)}
+            status,output,error = self._u_invoke_client(*args, **kwargs)
+            if status != 0:
+                strings = ["ERROR: no changes to commit.", # bzr 1.3.1
+                           "ERROR: No changes to commit."] # bzr 1.15.1
+                if self._u_any_in_string(strings, error) == True:
+                    raise vcs.EmptyCommit()
+                else:
+                    raise vcs.CommandError(args, status, stdout="", stderr=error)
+        revision = None
+        revline = re.compile("Committed revision (.*)[.]")
+        match = revline.search(error)
+        assert match != None, output+error
+        assert len(match.groups()) == 1
+        revision = match.groups()[0]
+        return revision
+    def _vcs_revision_id(self, index):
+        status,output,error = self._u_invoke_client("revno")
+        current_revision = int(output)
+        if index >= current_revision or index < -current_revision:
+            return None
+        if index >= 0:
+            return str(index+1) # bzr commit 0 is the empty tree.
+        return str(current_revision+index+1)
+
+    
+vcs.make_vcs_testcase_subclasses(Bzr, sys.modules[__name__])
+
+unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])