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# Copyright (C) 2014-2020 RhodeCode GmbH
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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 Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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SVN commit module
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"""
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import dateutil.parser
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from zope.cachedescriptors.property import Lazy as LazyProperty
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from rhodecode.lib.str_utils import safe_bytes, safe_str
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from rhodecode.lib.vcs import nodes, path as vcspath
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from rhodecode.lib.vcs.backends import base
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from rhodecode.lib.vcs.exceptions import CommitError
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_SVN_PROP_TRUE = '*'
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class SubversionCommit(base.BaseCommit):
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"""
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Subversion specific implementation of commits
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.. attribute:: branch
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The Subversion backend does not support to assign branches to
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specific commits. This attribute has always the value `None`.
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"""
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def __init__(self, repository, commit_id):
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self.repository = repository
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self.idx = self.repository._get_commit_idx(commit_id)
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self._svn_rev = self.idx + 1
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self._remote = repository._remote
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# TODO: handling of raw_id should be a method on repository itself,
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# which knows how to translate commit index and commit id
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self.raw_id = commit_id
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self.short_id = commit_id
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self.id = 'r%s' % (commit_id, )
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# TODO: Implement the following placeholder attributes
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self.nodes = {}
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self.tags = []
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@property
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def author(self):
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return safe_str(self._properties.get('svn:author'))
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@property
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def date(self):
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return _date_from_svn_properties(self._properties)
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@property
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def message(self):
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return safe_str(self._properties.get('svn:log'))
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@LazyProperty
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def _properties(self):
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return self._remote.revision_properties(self._svn_rev)
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@LazyProperty
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def parents(self):
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parent_idx = self.idx - 1
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if parent_idx >= 0:
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parent = self.repository.get_commit(commit_idx=parent_idx)
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return [parent]
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return []
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@LazyProperty
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def children(self):
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child_idx = self.idx + 1
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if child_idx < len(self.repository.commit_ids):
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child = self.repository.get_commit(commit_idx=child_idx)
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return [child]
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return []
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def get_file_mode(self, path: bytes):
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# Note: Subversion flags files which are executable with a special
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# property `svn:executable` which is set to the value ``"*"``.
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if self._get_file_property(path, 'svn:executable') == _SVN_PROP_TRUE:
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return base.FILEMODE_EXECUTABLE
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else:
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return base.FILEMODE_DEFAULT
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def is_link(self, path):
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# Note: Subversion has a flag for special files, the content of the
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# file contains the type of that file.
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if self._get_file_property(path, 'svn:special') == _SVN_PROP_TRUE:
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return self.get_file_content(path).startswith(b'link')
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return False
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def is_node_binary(self, path):
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path = self._fix_path(path)
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return self._remote.is_binary(self._svn_rev, safe_str(path))
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def node_md5_hash(self, path):
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path = self._fix_path(path)
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return self._remote.md5_hash(self._svn_rev, safe_str(path))
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def _get_file_property(self, path, name):
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file_properties = self._remote.node_properties(
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safe_str(path), self._svn_rev)
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return file_properties.get(name)
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def get_file_content(self, path):
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path = self._fix_path(path)
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return self._remote.get_file_content(self._svn_rev, safe_str(path))
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def get_file_content_streamed(self, path):
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path = self._fix_path(path)
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stream_method = getattr(self._remote, 'stream:get_file_content')
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return stream_method(self._svn_rev, safe_str(path))
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def get_file_size(self, path):
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path = self._fix_path(path)
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return self._remote.get_file_size(self._svn_rev, safe_str(path))
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def get_path_history(self, path, limit=None, pre_load=None):
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path = safe_str(self._fix_path(path))
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history = self._remote.node_history(path, self._svn_rev, limit)
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return [
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self.repository.get_commit(commit_id=str(svn_rev))
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for svn_rev in history]
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def get_file_annotate(self, path, pre_load=None):
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result = self._remote.file_annotate(safe_str(path), self._svn_rev)
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for zero_based_line_no, svn_rev, content in result:
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commit_id = str(svn_rev)
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line_no = zero_based_line_no + 1
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yield (
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line_no,
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commit_id,
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lambda: self.repository.get_commit(commit_id=commit_id),
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content)
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def get_node(self, path, pre_load=None):
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path = self._fix_path(path)
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if path not in self.nodes:
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if path == '':
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node = nodes.RootNode(commit=self)
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else:
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node_type = self._remote.get_node_type(self._svn_rev, safe_str(path))
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if node_type == 'dir':
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node = nodes.DirNode(safe_bytes(path), commit=self)
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elif node_type == 'file':
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node = nodes.FileNode(safe_bytes(path), commit=self, pre_load=pre_load)
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else:
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raise self.no_node_at_path(path)
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self.nodes[path] = node
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return self.nodes[path]
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def get_nodes(self, path, pre_load=None):
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if self._get_kind(path) != nodes.NodeKind.DIR:
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raise CommitError(
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f"Directory does not exist for commit {self.raw_id} at '{path}'")
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path = safe_str(self._fix_path(path))
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path_nodes = []
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for name, kind in self._remote.get_nodes(self._svn_rev, path):
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node_path = vcspath.join(path, name)
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if kind == 'dir':
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node = nodes.DirNode(safe_bytes(node_path), commit=self)
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elif kind == 'file':
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node = nodes.FileNode(safe_bytes(node_path), commit=self, pre_load=pre_load)
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else:
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raise ValueError(f"Node kind {kind} not supported.")
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self.nodes[node_path] = node
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path_nodes.append(node)
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return path_nodes
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def _get_kind(self, path):
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path = self._fix_path(path)
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kind = self._remote.get_node_type(self._svn_rev, path)
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if kind == 'file':
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return nodes.NodeKind.FILE
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elif kind == 'dir':
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return nodes.NodeKind.DIR
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else:
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raise CommitError(
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"Node does not exist at the given path '%s'" % (path, ))
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@LazyProperty
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def _changes_cache(self):
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return self._remote.revision_changes(self._svn_rev)
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@LazyProperty
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def affected_files(self):
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changed_files = set()
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for files in self._changes_cache.values():
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changed_files.update(files)
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return list(changed_files)
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@LazyProperty
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def id(self):
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return self.raw_id
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@property
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def added(self):
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return nodes.AddedFileNodesGenerator(self.added_paths, self)
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@LazyProperty
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def added_paths(self):
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return [n for n in self._changes_cache['added']]
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@property
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def changed(self):
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return nodes.ChangedFileNodesGenerator(self.changed_paths, self)
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@LazyProperty
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def changed_paths(self):
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return [n for n in self._changes_cache['changed']]
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@property
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def removed(self):
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return nodes.RemovedFileNodesGenerator(self.removed_paths, self)
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@LazyProperty
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def removed_paths(self):
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return [n for n in self._changes_cache['removed']]
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def _date_from_svn_properties(properties):
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"""
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Parses the date out of given svn properties.
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:return: :class:`datetime.datetime` instance. The object is naive.
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"""
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aware_date = dateutil.parser.parse(properties.get('svn:date'))
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# final_date = aware_date.astimezone(dateutil.tz.tzlocal())
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final_date = aware_date
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return final_date.replace(tzinfo=None)
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