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Viewing changes to breezy/treebuilder.py

  • Committer: Jelmer Vernooij
  • Date: 2017-07-24 01:07:36 UTC
  • mfrom: (6734.1.7 move-errors-views)
  • Revision ID: jelmer@jelmer.uk-20170724010736-7a67j6n1t2nz914n
Merge lp:~jelmer/bzr/move-errors-views.

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breezy/treebuilder.py
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from . import errors
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class AlreadyBuilding(errors.BzrError):
 
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    _fmt = "The tree builder is already building a tree."
 
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class NotBuilding(errors.BzrError):
 
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    _fmt = "Not currently building a tree."
 
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class TreeBuilder(object):
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    """A TreeBuilder allows the creation of specific content in one tree at a
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    time.
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    def _ensure_building(self):
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        """Raise NotBuilding if there is no current tree being built."""
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        if self._tree is None:
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            raise errors.NotBuilding
 
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            raise NotBuilding
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    def finish_tree(self):
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        """Finish building the current tree."""
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            MutableTree interface.
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        """
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        if self._tree is not None:
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            raise errors.AlreadyBuilding
 
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            raise AlreadyBuilding
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        self._tree = tree
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        self._tree.lock_tree_write()