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"""Tree viewing a previous revision.
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File text can be retrieved from the text store.
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TODO: Some kind of `__repr__` method, but a good one
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probably means knowing the branch and revision number,
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or at least passing a description to the constructor.
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def __init__(self, branch, inv, revision_id):
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self._repository = branch
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self._weave_store = branch.weave_store
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self._inventory = inv
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assert inv.root is not None
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self._revision_id = revision_id
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self._revision_id = osutils.safe_revision_id(revision_id)
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def supports_tree_reference(self):
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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A RevisionTree's parents match the revision graph.
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if self._revision_id not in (None, 'null:'):
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if self._revision_id in (None, revision.NULL_REVISION):
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parent_ids = self._repository.get_revision(
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self._revision_id).parent_ids
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def get_revision_id(self):
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return self._revision_id
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def get_weave(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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return self._weave_store.get_weave(file_id,
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self._repository.get_transaction())
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def get_file_lines(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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ie = self._inventory[file_id]
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weave = self.get_weave(file_id)
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return weave.get_lines(ie.revision)
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def get_file_text(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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return ''.join(self.get_file_lines(file_id))
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def get_file(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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return StringIO(self.get_file_text(file_id))
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def annotate_iter(self, file_id):
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"""See Tree.annotate_iter"""
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file_id = osutils.safe_file_id(file_id)
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w = self.get_weave(file_id)
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return w.annotate_iter(self.inventory[file_id].revision)
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def get_file_size(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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return self._inventory[file_id].text_size
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def get_file_sha1(self, file_id, path=None):
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def get_file_sha1(self, file_id, path=None, stat_value=None):
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file_id = osutils.safe_file_id(file_id)
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ie = self._inventory[file_id]
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if ie.kind == "file":
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return ie.text_sha1
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def get_file_mtime(self, file_id, path=None):
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file_id = osutils.safe_file_id(file_id)
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ie = self._inventory[file_id]
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revision = self._repository.get_revision(ie.revision)
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return revision.timestamp
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def is_executable(self, file_id, path=None):
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file_id = osutils.safe_file_id(file_id)
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ie = self._inventory[file_id]
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if ie.kind != "file":
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return self._inventory[file_id].executable
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def has_filename(self, filename):
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return bool(self.inventory.path2id(filename))
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def list_files(self, include_root=False):
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# The only files returned by this are those from the version
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entries = self.inventory.iter_entries()
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# skip the root for compatability with the current apis.
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if self.inventory.root is not None and not include_root:
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# skip the root for compatability with the current apis.
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for path, entry in entries:
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yield path, 'V', entry.kind, entry.file_id, entry
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def get_symlink_target(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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ie = self._inventory[file_id]
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return ie.symlink_target;
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def get_reference_revision(self, file_id, path=None):
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return self.inventory[file_id].reference_revision
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def get_root_id(self):
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if self.inventory.root:
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return self.inventory.root.file_id
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def kind(self, file_id):
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file_id = osutils.safe_file_id(file_id)
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return self._inventory[file_id].kind
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def _comparison_data(self, entry, path):
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return None, False, None
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return entry.kind, entry.executable, None
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def _file_size(self, entry, stat_value):
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assert entry.text_size is not None
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return entry.text_size
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def lock_read(self):
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self._repository.lock_read()
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return '<%s instance at %x, rev_id=%r>' % (
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self.__class__.__name__, id(self), self._revision_id)
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def unlock(self):
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self._repository.unlock()
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def walkdirs(self, prefix=""):
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_directory = 'directory'
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top_id = inv.path2id(prefix)
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pending = [(prefix, '', _directory, None, top_id, None)]
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currentdir = pending.pop()
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# 0 - relpath, 1- basename, 2- kind, 3- stat, id, v-kind
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relroot = currentdir[0] + '/'
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# FIXME: stash the node in pending
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entry = inv[currentdir[4]]
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for name, child in entry.sorted_children():
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toppath = relroot + name
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dirblock.append((toppath, name, child.kind, None,
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child.file_id, child.kind
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yield (currentdir[0], entry.file_id), dirblock
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# push the user specified dirs from dirblock
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for dir in reversed(dirblock):
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if dir[2] == _directory: