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Viewing changes to bzrlib/transform.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-02-10 03:06:24 UTC
  • mfrom: (4961.2.22 progress)
  • Revision ID: pqm@pqm.ubuntu.com-20100210030624-wnjdp7yy7zb8vu7u
(mbp) Remove passing-around of ProgressBars

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Lines of Context:
bzrlib/transform.py
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    multiparent,
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    osutils,
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    revision as _mod_revision,
 
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    ui,
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    )
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""")
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from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
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    splitpath,
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    supports_executable,
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)
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from bzrlib.progress import DummyProgress, ProgressPhase
 
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from bzrlib.progress import ProgressPhase
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from bzrlib.symbol_versioning import (
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        deprecated_function,
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        deprecated_in,
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class TreeTransformBase(object):
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    """The base class for TreeTransform and its kin."""
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    def __init__(self, tree, pb=DummyProgress(),
 
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    def __init__(self, tree, pb=None,
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                 case_sensitive=True):
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        """Constructor.
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        :param tree: The tree that will be transformed, but not necessarily
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            the output tree.
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        :param pb: A ProgressTask indicating how much progress is being made
 
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        :param pb: ignored
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        :param case_sensitive: If True, the target of the transform is
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            case sensitive, not just case preserving.
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        """
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class DiskTreeTransform(TreeTransformBase):
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    """Tree transform storing its contents on disk."""
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    def __init__(self, tree, limbodir, pb=DummyProgress(),
 
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    def __init__(self, tree, limbodir, pb=None,
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                 case_sensitive=True):
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        """Constructor.
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        :param tree: The tree that will be transformed, but not necessarily
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            the output tree.
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        :param limbodir: A directory where new files can be stored until
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            they are installed in their proper places
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        :param pb: A ProgressBar indicating how much progress is being made
 
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        :param pb: ignored
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        :param case_sensitive: If True, the target of the transform is
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            case sensitive, not just case preserving.
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        """
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    FileMover does not delete files until it is sure that a rollback will not
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    happen.
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    """
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    def __init__(self, tree, pb=DummyProgress()):
 
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    def __init__(self, tree, pb=None):
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        """Note: a tree_write lock is taken on the tree.
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        Use TreeTransform.finalize() to release the lock (can be omitted if
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    unversioned files in the input tree.
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    """
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    def __init__(self, tree, pb=DummyProgress(), case_sensitive=True):
 
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    def __init__(self, tree, pb=None, case_sensitive=True):
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        tree.lock_read()
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        limbodir = osutils.mkdtemp(prefix='bzr-limbo-')
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        DiskTreeTransform.__init__(self, tree, limbodir, pb, case_sensitive)
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def revert(working_tree, target_tree, filenames, backups=False,
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           pb=DummyProgress(), change_reporter=None):
 
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           pb=None, change_reporter=None):
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    """Revert a working tree's contents to those of a target tree."""
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    target_tree.lock_read()
 
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    pb = ui.ui_factory.nested_progress_bar()
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    tt = TreeTransform(working_tree, pb)
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    try:
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        pp = ProgressPhase("Revert phase", 3, pb)
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def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
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                              backups, pp, basis_tree=None,
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                              merge_modified=None):
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    pp.next_phase()
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    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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    try:
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        if merge_modified is None:
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                                      merge_modified, basis_tree)
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    finally:
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        child_pb.finished()
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    pp.next_phase()
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    child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
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    try:
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        raw_conflicts = resolve_conflicts(tt, child_pb,
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    return merge_modified
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def resolve_conflicts(tt, pb=DummyProgress(), pass_func=None):
 
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def resolve_conflicts(tt, pb=None, pass_func=None):
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    """Make many conflict-resolution attempts, but die if they fail"""
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    if pass_func is None:
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        pass_func = conflict_pass
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    new_conflicts = set()
 
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    pb = ui.ui_factory.nested_progress_bar()
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    try:
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        for n in range(10):
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            pb.update('Resolution pass', n+1, 10)
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            new_conflicts.update(pass_func(tt, conflicts))
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        raise MalformedTransform(conflicts=conflicts)
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    finally:
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        pb.clear()
 
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        pb.finished()
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def conflict_pass(tt, conflicts, path_tree=None):