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# -*- coding: utf-8 -*-
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# Copyright (C) 2014-2016 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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HG commit module
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"""
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import os
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from zope.cachedescriptors.property import Lazy as LazyProperty
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from rhodecode.lib.datelib import utcdate_fromtimestamp
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from rhodecode.lib.utils import safe_str, safe_unicode
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from rhodecode.lib.vcs import path as vcspath
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from rhodecode.lib.vcs.backends import base
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from rhodecode.lib.vcs.backends.hg.diff import MercurialDiff
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from rhodecode.lib.vcs.exceptions import CommitError
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from rhodecode.lib.vcs.nodes import (
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AddedFileNodesGenerator, ChangedFileNodesGenerator, DirNode, FileNode,
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NodeKind, RemovedFileNodesGenerator, RootNode, SubModuleNode,
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LargeFileNode, LARGEFILE_PREFIX)
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from rhodecode.lib.vcs.utils.paths import get_dirs_for_path
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class MercurialCommit(base.BaseCommit):
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"""
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Represents state of the repository at the single commit.
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"""
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_filter_pre_load = [
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# git specific property not supported here
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"_commit",
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]
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def __init__(self, repository, raw_id, idx, pre_load=None):
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raw_id = safe_str(raw_id)
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self.repository = repository
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self._remote = repository._remote
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self.raw_id = raw_id
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self.idx = repository._sanitize_commit_idx(idx)
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self._set_bulk_properties(pre_load)
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# caches
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self.nodes = {}
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def _set_bulk_properties(self, pre_load):
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if not pre_load:
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return
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pre_load = [entry for entry in pre_load
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if entry not in self._filter_pre_load]
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if not pre_load:
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return
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result = self._remote.bulk_request(self.idx, pre_load)
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for attr, value in result.items():
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if attr in ["author", "branch", "message"]:
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value = safe_unicode(value)
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elif attr == "affected_files":
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value = map(safe_unicode, value)
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elif attr == "date":
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value = utcdate_fromtimestamp(*value)
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elif attr in ["children", "parents"]:
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value = self._make_commits(value)
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self.__dict__[attr] = value
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@LazyProperty
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def tags(self):
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tags = [name for name, commit_id in self.repository.tags.iteritems()
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if commit_id == self.raw_id]
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return tags
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@LazyProperty
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def branch(self):
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return safe_unicode(self._remote.ctx_branch(self.idx))
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@LazyProperty
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def bookmarks(self):
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bookmarks = [
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name for name, commit_id in self.repository.bookmarks.iteritems()
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if commit_id == self.raw_id]
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return bookmarks
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@LazyProperty
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def message(self):
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return safe_unicode(self._remote.ctx_description(self.idx))
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@LazyProperty
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def committer(self):
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return safe_unicode(self.author)
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@LazyProperty
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def author(self):
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return safe_unicode(self._remote.ctx_user(self.idx))
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@LazyProperty
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def date(self):
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return utcdate_fromtimestamp(*self._remote.ctx_date(self.idx))
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@LazyProperty
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def status(self):
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"""
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Returns modified, added, removed, deleted files for current commit
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"""
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return self._remote.ctx_status(self.idx)
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@LazyProperty
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def _file_paths(self):
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return self._remote.ctx_list(self.idx)
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@LazyProperty
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def _dir_paths(self):
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p = list(set(get_dirs_for_path(*self._file_paths)))
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p.insert(0, '')
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return p
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@LazyProperty
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def _paths(self):
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return self._dir_paths + self._file_paths
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@LazyProperty
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def id(self):
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if self.last:
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return u'tip'
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return self.short_id
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@LazyProperty
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def short_id(self):
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return self.raw_id[:12]
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def _make_commits(self, indexes):
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return [self.repository.get_commit(commit_idx=idx)
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for idx in indexes if idx >= 0]
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@LazyProperty
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def parents(self):
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"""
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Returns list of parent commits.
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"""
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parents = self._remote.ctx_parents(self.idx)
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return self._make_commits(parents)
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@LazyProperty
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def children(self):
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"""
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Returns list of child commits.
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"""
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children = self._remote.ctx_children(self.idx)
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return self._make_commits(children)
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def diff(self, ignore_whitespace=True, context=3):
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result = self._remote.ctx_diff(
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self.idx,
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git=True, ignore_whitespace=ignore_whitespace, context=context)
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diff = ''.join(result)
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return MercurialDiff(diff)
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def _fix_path(self, path):
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"""
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Mercurial keeps filenodes as str so we need to encode from unicode
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to str.
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"""
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return safe_str(super(MercurialCommit, self)._fix_path(path))
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def _get_kind(self, path):
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path = self._fix_path(path)
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if path in self._file_paths:
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return NodeKind.FILE
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elif path in self._dir_paths:
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return 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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def _get_filectx(self, path):
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path = self._fix_path(path)
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if self._get_kind(path) != NodeKind.FILE:
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raise CommitError(
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"File does not exist for idx %s at '%s'" % (self.raw_id, path))
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return path
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def get_file_mode(self, path):
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"""
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Returns stat mode of the file at the given ``path``.
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"""
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path = self._get_filectx(path)
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if 'x' in self._remote.fctx_flags(self.idx, path):
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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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path = self._get_filectx(path)
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return 'l' in self._remote.fctx_flags(self.idx, path)
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def get_file_content(self, path):
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"""
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Returns content of the file at given ``path``.
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"""
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path = self._get_filectx(path)
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return self._remote.fctx_data(self.idx, path)
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def get_file_size(self, path):
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"""
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Returns size of the file at given ``path``.
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"""
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path = self._get_filectx(path)
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return self._remote.fctx_size(self.idx, path)
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def get_file_history(self, path, limit=None, pre_load=None):
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"""
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Returns history of file as reversed list of `MercurialCommit` objects
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for which file at given ``path`` has been modified.
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"""
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path = self._get_filectx(path)
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hist = self._remote.file_history(self.idx, path, limit)
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return [
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self.repository.get_commit(commit_id=commit_id, pre_load=pre_load)
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for commit_id in hist]
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def get_file_annotate(self, path, pre_load=None):
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"""
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Returns a generator of four element tuples with
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lineno, commit_id, commit lazy loader and line
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"""
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result = self._remote.fctx_annotate(self.idx, path)
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for ln_no, commit_id, content in result:
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yield (
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ln_no, commit_id,
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lambda: self.repository.get_commit(commit_id=commit_id,
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pre_load=pre_load),
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content)
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def get_nodes(self, path):
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"""
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Returns combined ``DirNode`` and ``FileNode`` objects list representing
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state of commit at the given ``path``. If node at the given ``path``
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is not instance of ``DirNode``, CommitError would be raised.
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"""
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if self._get_kind(path) != NodeKind.DIR:
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raise CommitError(
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"Directory does not exist for idx %s at '%s'" %
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(self.idx, path))
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path = self._fix_path(path)
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filenodes = [
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FileNode(f, commit=self) for f in self._file_paths
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if os.path.dirname(f) == path]
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# TODO: johbo: Check if this can be done in a more obvious way
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dirs = path == '' and '' or [
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d for d in self._dir_paths
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if d and vcspath.dirname(d) == path]
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dirnodes = [
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DirNode(d, commit=self) for d in dirs
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if os.path.dirname(d) == path]
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alias = self.repository.alias
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for k, vals in self._submodules.iteritems():
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loc = vals[0]
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commit = vals[1]
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dirnodes.append(
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SubModuleNode(k, url=loc, commit=commit, alias=alias))
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nodes = dirnodes + filenodes
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# cache nodes
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for node in nodes:
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self.nodes[node.path] = node
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nodes.sort()
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return nodes
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def get_node(self, path):
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"""
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Returns `Node` object from the given `path`. If there is no node at
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the given `path`, `NodeDoesNotExistError` would be raised.
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"""
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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 in self._file_paths:
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node = FileNode(path, commit=self)
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elif path in self._dir_paths:
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if path == '':
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node = RootNode(commit=self)
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else:
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node = DirNode(path, commit=self)
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else:
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raise self.no_node_at_path(path)
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# cache node
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self.nodes[path] = node
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return self.nodes[path]
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def get_largefile_node(self, path):
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path = os.path.join(LARGEFILE_PREFIX, path)
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if self._remote.is_large_file(path):
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# content of that file regular FileNode is the hash of largefile
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file_id = self.get_file_content(path).strip()
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if self._remote.in_store(file_id):
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path = self._remote.store_path(file_id)
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return LargeFileNode(path, commit=self)
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elif self._remote.in_user_cache(file_id):
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path = self._remote.store_path(file_id)
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self._remote.link(file_id, path)
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return LargeFileNode(path, commit=self)
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@LazyProperty
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def _submodules(self):
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"""
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Returns a dictionary with submodule information from substate file
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of hg repository.
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"""
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return self._remote.ctx_substate(self.idx)
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@LazyProperty
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def affected_files(self):
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"""
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Gets a fast accessible file changes for given commit
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"""
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return self._remote.ctx_files(self.idx)
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@property
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def added(self):
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"""
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Returns list of added ``FileNode`` objects.
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"""
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return AddedFileNodesGenerator([n for n in self.status[1]], self)
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@property
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def changed(self):
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"""
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Returns list of modified ``FileNode`` objects.
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"""
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return ChangedFileNodesGenerator([n for n in self.status[0]], self)
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@property
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def removed(self):
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"""
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Returns list of removed ``FileNode`` objects.
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"""
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return RemovedFileNodesGenerator([n for n in self.status[2]], self)
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