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# Copyright (C) 2014-2024 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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import logging
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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.str_utils import safe_bytes, safe_str
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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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from rhodecode.lib.vcs.nodes import (
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DirNode,
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FileNode,
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NodeKind,
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RootNode,
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SubModuleNode,
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LargeFileNode,
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)
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from rhodecode.lib.vcs_common import FILEMODE_LINK
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log = logging.getLogger(__name__)
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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 = 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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self._path_mode_cache = {} # path stats cache, e.g filemode etc
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self._path_type_cache = {} # path type dir/file/link etc cache
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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 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.raw_id, 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_str(value)
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elif attr == "affected_files":
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value = list(map(safe_str, 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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elif attr in ["phase"]:
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value = self._get_phase_text(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.items() 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_str(self._remote.ctx_branch(self.raw_id))
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@LazyProperty
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def bookmarks(self):
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bookmarks = [name for name, commit_id in self.repository.bookmarks.items() 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_str(self._remote.ctx_description(self.raw_id))
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@LazyProperty
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def committer(self):
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return safe_str(self.author)
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@LazyProperty
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def author(self):
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return safe_str(self._remote.ctx_user(self.raw_id))
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@LazyProperty
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def date(self):
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return utcdate_fromtimestamp(*self._remote.ctx_date(self.raw_id))
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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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modified, added, deleted, *_ = self._remote.ctx_status(self.raw_id)
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return modified, added, deleted
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@LazyProperty
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def id(self):
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if self.last:
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return "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, commit_ids, pre_load=None):
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return [self.repository.get_commit(commit_id=commit_id, pre_load=pre_load) for commit_id in commit_ids]
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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.raw_id)
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return self._make_commits(parents)
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def _get_phase_text(self, phase_id):
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return {
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0: "public",
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1: "draft",
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2: "secret",
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}.get(phase_id) or ""
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@LazyProperty
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def phase(self):
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phase_id = self._remote.ctx_phase(self.raw_id)
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phase_text = self._get_phase_text(phase_id)
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return safe_str(phase_text)
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@LazyProperty
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def obsolete(self):
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obsolete = self._remote.ctx_obsolete(self.raw_id)
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return obsolete
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@LazyProperty
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def hidden(self):
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hidden = self._remote.ctx_hidden(self.raw_id)
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return hidden
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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.raw_id)
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return self._make_commits(children)
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def _get_kind(self, path):
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path = self._fix_path(path)
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path_type = self._get_path_type(path)
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return path_type
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def _assert_is_path(self, path) -> str | bytes:
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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(f"File at path={path} does not exist for commit {self.raw_id}")
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return path
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def get_file_mode(self, path: bytes):
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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._assert_is_path(path)
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if path not in self._path_mode_cache:
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self._path_mode_cache[path] = self._remote.fctx_flags(self.raw_id, path)
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return self._path_mode_cache[path]
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def is_link(self, path: bytes):
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path = self._assert_is_path(path)
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if path not in self._path_mode_cache:
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self._path_mode_cache[path] = self._remote.fctx_flags(self.raw_id, path)
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return self._path_mode_cache[path] == FILEMODE_LINK
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def is_node_binary(self, path):
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path = self._assert_is_path(path)
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return self._remote.is_binary(self.raw_id, path)
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def node_md5_hash(self, path):
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path = self._assert_is_path(path)
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return self._remote.md5_hash(self.raw_id, 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._assert_is_path(path)
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return self._remote.fctx_node_data(self.raw_id, path)
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def get_file_content_streamed(self, path):
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path = self._assert_is_path(path)
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stream_method = getattr(self._remote, "stream:fctx_node_data")
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return stream_method(self.raw_id, 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._assert_is_path(path)
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return self._remote.fctx_size(self.raw_id, path)
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def get_path_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._assert_is_path(path)
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history = self._remote.node_history(self.raw_id, path, limit)
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return [self.repository.get_commit(commit_id=commit_id, pre_load=pre_load) for commit_id in history]
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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.raw_id, path)
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for ln_no, commit_id, content in result:
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yield (
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ln_no,
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commit_id,
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lambda: self.repository.get_commit(commit_id=commit_id, pre_load=pre_load),
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content,
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)
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def get_nodes(self, path: bytes, pre_load=None):
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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(f"Directory does not exist for idx {self.raw_id} at '{path}'")
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path = self._fix_path(path)
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path_nodes = []
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for obj_path, node_kind, flags, pre_load_data in self._remote.get_nodes(self.raw_id, path, pre_load):
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if node_kind is None:
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raise CommitError(f"Requested object type={node_kind} cannot be mapped to a proper type")
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stat_ = flags
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# cache file mode
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if obj_path not in self._path_mode_cache:
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self._path_mode_cache[obj_path] = stat_
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# cache type
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if node_kind not in self._path_type_cache:
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self._path_type_cache[obj_path] = node_kind
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entry = None
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if obj_path in self.nodes:
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entry = self.nodes[obj_path]
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else:
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if node_kind == NodeKind.DIR:
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entry = DirNode(safe_bytes(obj_path), commit=self)
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elif node_kind == NodeKind.FILE:
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entry = FileNode(safe_bytes(obj_path), commit=self, mode=stat_, pre_load=pre_load, pre_load_data=pre_load_data)
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if entry:
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self.nodes[obj_path] = entry
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path_nodes.append(entry)
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for obj_path, (location, commit, scm_type) in self._submodules.items():
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if os.path.dirname(obj_path) == path:
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entry = SubModuleNode(obj_path, url=location, commit=commit, alias=scm_type)
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self.nodes[obj_path] = entry
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path_nodes.append(entry)
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path_nodes.sort()
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return path_nodes
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def get_node(self, path: bytes, pre_load=None):
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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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# use cached, if we have one
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if path in self.nodes:
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return self.nodes[path]
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path_type = self._get_path_type(path)
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if path == b"":
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node = RootNode(commit=self)
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else:
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if path_type == NodeKind.DIR:
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node = DirNode(safe_bytes(path), commit=self)
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elif path_type == NodeKind.FILE:
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node = FileNode(safe_bytes(path), commit=self, pre_load=pre_load)
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self._path_mode_cache[path] = node.mode
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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_path_type(self, path: bytes):
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if path in self._path_type_cache:
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return self._path_type_cache[path]
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if path == b"":
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self._path_type_cache[b""] = NodeKind.DIR
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return NodeKind.DIR
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path_type, flags = self._remote.get_path_type(self.raw_id, path)
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if not path_type:
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raise self.no_node_at_path(path)
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self._path_type_cache[path] = path_type
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self._path_mode_cache[path] = flags
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return self._path_type_cache[path]
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def get_largefile_node(self, path: bytes):
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pointer_spec = self._remote.is_large_file(self.raw_id, path)
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if pointer_spec:
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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_largefiles_store(file_id):
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lf_path = self._remote.store_path(file_id)
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return LargeFileNode(safe_bytes(lf_path), commit=self, org_path=path)
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elif self._remote.in_user_cache(file_id):
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lf_path = self._remote.store_path(file_id)
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self._remote.link(file_id, path)
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return LargeFileNode(safe_bytes(lf_path), commit=self, org_path=path)
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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.raw_id)
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@LazyProperty
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def affected_files(self) -> list[bytes]:
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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.raw_id)
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@LazyProperty
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def added_paths(self):
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return [n for n in self.status[1]]
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@LazyProperty
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def changed_paths(self):
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return [n for n in self.status[0]]
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@LazyProperty
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def removed_paths(self):
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return [n for n in self.status[2]]
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