bzr branch
http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar
| 1986.1.2
by Robert Collins Various changes to allow non-workingtree specific tests to run entirely | 1 | # Copyright (C) 2006 Canonical Ltd
 | 
| 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 2 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, write to the Free Software
 | |
| 15 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | |
| 16 | ||
| 17 | """TreeBuilder helper class.
 | |
| 18 | ||
| 19 | TreeBuilders are used to build trees of various shapres or properties. This 
 | |
| 20 | can be extremely useful in testing for instance.
 | |
| 21 | """
 | |
| 22 | ||
| 23 | from bzrlib import errors | |
| 24 | ||
| 25 | ||
| 26 | class TreeBuilder(object): | |
| 27 | """A TreeBuilder allows the creation of specific content in one tree at a | |
| 28 |     time.
 | |
| 29 |     """
 | |
| 30 | ||
| 31 | def __init__(self): | |
| 32 | """Construct a TreeBuilder.""" | |
| 33 | self._tree = None | |
| 1731.1.50
by Aaron Bentley Merge bzr.dev | 34 | self._root_done = False | 
| 1986.1.2
by Robert Collins Various changes to allow non-workingtree specific tests to run entirely | 35 | |
| 36 | def build(self, recipe): | |
| 37 | """Build recipe into the current tree. | |
| 38 | ||
| 39 |         :param recipe: A sequence of paths. For each path, the corresponding
 | |
| 40 |             path in the current tree is created and added. If the path ends in
 | |
| 41 |             '/' then a directory is added, otherwise a regular file is added.
 | |
| 42 |         """
 | |
| 43 | self._ensure_building() | |
| 1731.1.50
by Aaron Bentley Merge bzr.dev | 44 | if not self._root_done: | 
| 45 | self._tree.add('', 'root-id', 'directory') | |
| 46 | self._root_done = True | |
| 1986.1.2
by Robert Collins Various changes to allow non-workingtree specific tests to run entirely | 47 | for name in recipe: | 
| 48 | assert isinstance(name, basestring) | |
| 49 | if name[-1] == '/': | |
| 50 | self._tree.mkdir(name[:-1]) | |
| 51 | else: | |
| 52 | end = '\n' | |
| 53 | content = "contents of %s%s" % (name.encode('utf-8'), end) | |
| 54 | self._tree.add(name, None, 'file') | |
| 55 | file_id = self._tree.path2id(name) | |
| 56 | self._tree.put_file_bytes_non_atomic(file_id, content) | |
| 57 | ||
| 58 | def _ensure_building(self): | |
| 59 | """Raise NotBuilding if there is no current tree being built.""" | |
| 60 | if self._tree is None: | |
| 61 | raise errors.NotBuilding | |
| 62 | ||
| 63 | def finish_tree(self): | |
| 64 | """Finish building the current tree.""" | |
| 65 | self._ensure_building() | |
| 66 | tree = self._tree | |
| 67 | self._tree = None | |
| 68 | tree.unlock() | |
| 69 | ||
| 70 | def start_tree(self, tree): | |
| 71 | """Start building on tree. | |
| 72 |         
 | |
| 73 |         :param tree: A tree to start building on. It must provide the 
 | |
| 74 |             MutableTree interface.
 | |
| 75 |         """
 | |
| 76 | if self._tree is not None: | |
| 77 | raise errors.AlreadyBuilding | |
| 78 | self._tree = tree | |
| 1986.1.8
by Robert Collins Update to bzr.dev, which involves adding lock_tree_write to MutableTree and MemoryTree. | 79 | self._tree.lock_tree_write() |