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Viewing changes to bzrlib/workingtree_4.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-02-09 10:44:18 UTC
  • mfrom: (5652.1.3 thread-with-exception)
  • Revision ID: pqm@pqm.ubuntu.com-20110209104418-n3058l06ehubtl9a
(vila) Moves CatchingExceptionThread out of the bzrlib.tests hierarchy.
 (Vincent Ladeuil)

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bzrlib/workingtree_4.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2007-2011 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.filters import filtered_input_file, internal_size_sha_file_byname
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from bzrlib.inventory import Inventory, ROOT_ID, entry_factory
 
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from bzrlib.lock import LogicalLockResult
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.osutils import (
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    file_kind,
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            return _mod_revision.NULL_REVISION
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    def lock_read(self):
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        """See Branch.lock_read, and WorkingTree.unlock."""
 
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        """See Branch.lock_read, and WorkingTree.unlock.
 
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        :return: A bzrlib.lock.LogicalLockResult.
 
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        """
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        self.branch.lock_read()
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        try:
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            self._control_files.lock_read()
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        except:
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            self.branch.unlock()
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            raise
 
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        return LogicalLockResult(self.unlock)
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    def _lock_self_write(self):
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        """This should be called after the branch is locked."""
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        except:
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            self.branch.unlock()
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            raise
 
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        return LogicalLockResult(self.unlock)
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    def lock_tree_write(self):
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        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
 
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        """See MutableTree.lock_tree_write, and WorkingTree.unlock.
 
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        :return: A bzrlib.lock.LogicalLockResult.
 
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        """
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        self.branch.lock_read()
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        self._lock_self_write()
 
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        return self._lock_self_write()
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    def lock_write(self):
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        """See MutableTree.lock_write, and WorkingTree.unlock."""
 
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        """See MutableTree.lock_write, and WorkingTree.unlock.
 
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        :return: A bzrlib.lock.LogicalLockResult.
 
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        """
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        self.branch.lock_write()
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        self._lock_self_write()
 
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        return self._lock_self_write()
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    @needs_tree_write_lock
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    def move(self, from_paths, to_dir, after=False):
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        # have to change the legacy inventory too.
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        if self._inventory is not None:
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            for file_id in file_ids:
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                self._inventory.remove_recursive_id(file_id)
 
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                if self._inventory.has_id(file_id):
 
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                    self._inventory.remove_recursive_id(file_id)
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    @needs_tree_write_lock
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    def rename_one(self, from_rel, to_rel, after=False):
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            self._inventory = inv
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        self.flush()
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    @needs_tree_write_lock
 
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    def reset_state(self, revision_ids=None):
 
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        """Reset the state of the working tree.
 
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        This does a hard-reset to a last-known-good state. This is a way to
 
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        fix if something got corrupted (like the .bzr/checkout/dirstate file)
 
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        """
 
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        if revision_ids is None:
 
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            revision_ids = self.get_parent_ids()
 
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        if not revision_ids:
 
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            base_tree = self.branch.repository.revision_tree(
 
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                _mod_revision.NULL_REVISION)
 
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            trees = []
 
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        else:
 
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            trees = zip(revision_ids,
 
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                        self.branch.repository.revision_trees(revision_ids))
 
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            base_tree = trees[0][1]
 
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        state = self.current_dirstate()
 
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        # We don't support ghosts yet
 
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        state.set_state_from_scratch(base_tree.inventory, trees, [])
 
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class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
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    def _file_content_summary(self, path, stat_result):
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        # This is to support the somewhat obsolete path_content_summary method
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        # with content filtering: see
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        # <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
 
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        # <https://bugs.launchpad.net/bzr/+bug/415508>.
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        #
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        # If the dirstate cache is up to date and knows the hash and size,
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        # return that.
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                elif kind == 'directory':
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                    parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
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                elif kind == 'symlink':
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                    inv_entry.executable = False
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                    inv_entry.text_size = None
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                    inv_entry.symlink_target = utf8_decode(fingerprint)[0]
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                elif kind == 'tree-reference':
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                    inv_entry.reference_revision = fingerprint or None
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    def is_executable(self, file_id, path=None):
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        ie = self.inventory[file_id]
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        if ie.kind != "file":
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            return None
 
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            return False
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        return ie.executable
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    def is_locked(self):
 
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        return self._locked
 
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    def list_files(self, include_root=False, from_dir=None, recursive=True):
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        # We use a standard implementation, because DirStateRevisionTree is
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        # dealing with one of the parents of the current state
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            yield path, 'V', entry.kind, entry.file_id, entry
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    def lock_read(self):
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        """Lock the tree for a set of operations."""
 
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        """Lock the tree for a set of operations.
 
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        :return: A bzrlib.lock.LogicalLockResult.
 
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        """
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        if not self._locked:
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            self._repository.lock_read()
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            if self._dirstate._lock_token is None:
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                self._dirstate.lock_read()
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                self._dirstate_locked = True
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        self._locked += 1
 
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        return LogicalLockResult(self.unlock)
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    def _must_be_locked(self):
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        if not self._locked: