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changeset.py
379 lines | 11.9 KiB | text/x-python | PythonLexer
import os
import posixpath
from rhodecode.lib.vcs.backends.base import BaseChangeset
from rhodecode.lib.vcs.conf import settings
from rhodecode.lib.vcs.exceptions import ChangesetDoesNotExistError, \
ChangesetError, ImproperArchiveTypeError, NodeDoesNotExistError, VCSError
from rhodecode.lib.vcs.nodes import AddedFileNodesGenerator, \
ChangedFileNodesGenerator, DirNode, FileNode, NodeKind, \
RemovedFileNodesGenerator, RootNode, SubModuleNode
from rhodecode.lib.vcs.utils import safe_str, safe_unicode, date_fromtimestamp
from rhodecode.lib.vcs.utils.lazy import LazyProperty
from rhodecode.lib.vcs.utils.paths import get_dirs_for_path
from rhodecode.lib.vcs.utils.hgcompat import archival, hex
class MercurialChangeset(BaseChangeset):
"""
Represents state of the repository at the single revision.
"""
def __init__(self, repository, revision):
self.repository = repository
self.raw_id = revision
self._ctx = repository._repo[revision]
self.revision = self._ctx._rev
self.nodes = {}
@LazyProperty
def tags(self):
return map(safe_unicode, self._ctx.tags())
@LazyProperty
def branch(self):
return safe_unicode(self._ctx.branch())
@LazyProperty
def bookmarks(self):
return map(safe_unicode, self._ctx.bookmarks())
@LazyProperty
def message(self):
return safe_unicode(self._ctx.description())
@LazyProperty
def committer(self):
return safe_unicode(self.author)
@LazyProperty
def author(self):
return safe_unicode(self._ctx.user())
@LazyProperty
def date(self):
return date_fromtimestamp(*self._ctx.date())
@LazyProperty
def _timestamp(self):
return self._ctx.date()[0]
@LazyProperty
def status(self):
"""
Returns modified, added, removed, deleted files for current changeset
"""
return self.repository._repo.status(self._ctx.p1().node(),
self._ctx.node())
@LazyProperty
def _file_paths(self):
return list(self._ctx)
@LazyProperty
def _dir_paths(self):
p = list(set(get_dirs_for_path(*self._file_paths)))
p.insert(0, '')
return p
@LazyProperty
def _paths(self):
return self._dir_paths + self._file_paths
@LazyProperty
def id(self):
if self.last:
return u'tip'
return self.short_id
@LazyProperty
def short_id(self):
return self.raw_id[:12]
@LazyProperty
def parents(self):
"""
Returns list of parents changesets.
"""
return [self.repository.get_changeset(parent.rev())
for parent in self._ctx.parents() if parent.rev() >= 0]
@LazyProperty
def children(self):
"""
Returns list of children changesets.
"""
return [self.repository.get_changeset(child.rev())
for child in self._ctx.children() if child.rev() >= 0]
def next(self, branch=None):
if branch and self.branch != branch:
raise VCSError('Branch option used on changeset not belonging '
'to that branch')
def _next(changeset, branch):
try:
next_ = changeset.revision + 1
next_rev = changeset.repository.revisions[next_]
except IndexError:
raise ChangesetDoesNotExistError
cs = changeset.repository.get_changeset(next_rev)
if branch and branch != cs.branch:
return _next(cs, branch)
return cs
return _next(self, branch)
def prev(self, branch=None):
if branch and self.branch != branch:
raise VCSError('Branch option used on changeset not belonging '
'to that branch')
def _prev(changeset, branch):
try:
prev_ = changeset.revision - 1
if prev_ < 0:
raise IndexError
prev_rev = changeset.repository.revisions[prev_]
except IndexError:
raise ChangesetDoesNotExistError
cs = changeset.repository.get_changeset(prev_rev)
if branch and branch != cs.branch:
return _prev(cs, branch)
return cs
return _prev(self, branch)
def diff(self, ignore_whitespace=True, context=3):
return ''.join(self._ctx.diff(git=True,
ignore_whitespace=ignore_whitespace,
context=context))
def _fix_path(self, path):
"""
Paths are stored without trailing slash so we need to get rid off it if
needed. Also mercurial keeps filenodes as str so we need to decode
from unicode to str
"""
if path.endswith('/'):
path = path.rstrip('/')
return safe_str(path)
def _get_kind(self, path):
path = self._fix_path(path)
if path in self._file_paths:
return NodeKind.FILE
elif path in self._dir_paths:
return NodeKind.DIR
else:
raise ChangesetError("Node does not exist at the given path %r"
% (path))
def _get_filectx(self, path):
path = self._fix_path(path)
if self._get_kind(path) != NodeKind.FILE:
raise ChangesetError("File does not exist for revision %r at "
" %r" % (self.raw_id, path))
return self._ctx.filectx(path)
def _extract_submodules(self):
"""
returns a dictionary with submodule information from substate file
of hg repository
"""
return self._ctx.substate
def get_file_mode(self, path):
"""
Returns stat mode of the file at the given ``path``.
"""
fctx = self._get_filectx(path)
if 'x' in fctx.flags():
return 0100755
else:
return 0100644
def get_file_content(self, path):
"""
Returns content of the file at given ``path``.
"""
fctx = self._get_filectx(path)
return fctx.data()
def get_file_size(self, path):
"""
Returns size of the file at given ``path``.
"""
fctx = self._get_filectx(path)
return fctx.size()
def get_file_changeset(self, path):
"""
Returns last commit of the file at the given ``path``.
"""
return self.get_file_history(path, limit=1)[0]
def get_file_history(self, path, limit=None):
"""
Returns history of file as reversed list of ``Changeset`` objects for
which file at given ``path`` has been modified.
"""
fctx = self._get_filectx(path)
hist = []
cnt = 0
for cs in reversed([x for x in fctx.filelog()]):
cnt += 1
hist.append(hex(fctx.filectx(cs).node()))
if limit and cnt == limit:
break
return [self.repository.get_changeset(node) for node in hist]
def get_file_annotate(self, path):
"""
Returns a generator of four element tuples with
lineno, sha, changeset lazy loader and line
"""
fctx = self._get_filectx(path)
for i, annotate_data in enumerate(fctx.annotate()):
ln_no = i + 1
sha = hex(annotate_data[0].node())
yield (ln_no, sha, lambda: self.repository.get_changeset(sha), annotate_data[1],)
def fill_archive(self, stream=None, kind='tgz', prefix=None,
subrepos=False):
"""
Fills up given stream.
:param stream: file like object.
:param kind: one of following: ``zip``, ``tgz`` or ``tbz2``.
Default: ``tgz``.
:param prefix: name of root directory in archive.
Default is repository name and changeset's raw_id joined with dash
(``repo-tip.<KIND>``).
:param subrepos: include subrepos in this archive.
:raise ImproperArchiveTypeError: If given kind is wrong.
:raise VcsError: If given stream is None
"""
allowed_kinds = settings.ARCHIVE_SPECS.keys()
if kind not in allowed_kinds:
raise ImproperArchiveTypeError('Archive kind not supported use one'
'of %s', allowed_kinds)
if stream is None:
raise VCSError('You need to pass in a valid stream for filling'
' with archival data')
if prefix is None:
prefix = '%s-%s' % (self.repository.name, self.short_id)
elif prefix.startswith('/'):
raise VCSError("Prefix cannot start with leading slash")
elif prefix.strip() == '':
raise VCSError("Prefix cannot be empty")
archival.archive(self.repository._repo, stream, self.raw_id,
kind, prefix=prefix, subrepos=subrepos)
if stream.closed and hasattr(stream, 'name'):
stream = open(stream.name, 'rb')
elif hasattr(stream, 'mode') and 'r' not in stream.mode:
stream = open(stream.name, 'rb')
else:
stream.seek(0)
def get_nodes(self, path):
"""
Returns combined ``DirNode`` and ``FileNode`` objects list representing
state of changeset at the given ``path``. If node at the given ``path``
is not instance of ``DirNode``, ChangesetError would be raised.
"""
if self._get_kind(path) != NodeKind.DIR:
raise ChangesetError("Directory does not exist for revision %r at "
" %r" % (self.revision, path))
path = self._fix_path(path)
filenodes = [FileNode(f, changeset=self) for f in self._file_paths
if os.path.dirname(f) == path]
dirs = path == '' and '' or [d for d in self._dir_paths
if d and posixpath.dirname(d) == path]
dirnodes = [DirNode(d, changeset=self) for d in dirs
if os.path.dirname(d) == path]
als = self.repository.alias
for k, vals in self._extract_submodules().iteritems():
#vals = url,rev,type
loc = vals[0]
cs = vals[1]
dirnodes.append(SubModuleNode(k, url=loc, changeset=cs,
alias=als))
nodes = dirnodes + filenodes
# cache nodes
for node in nodes:
self.nodes[node.path] = node
nodes.sort()
return nodes
def get_node(self, path):
"""
Returns ``Node`` object from the given ``path``. If there is no node at
the given ``path``, ``ChangesetError`` would be raised.
"""
path = self._fix_path(path)
if not path in self.nodes:
if path in self._file_paths:
node = FileNode(path, changeset=self)
elif path in self._dir_paths or path in self._dir_paths:
if path == '':
node = RootNode(changeset=self)
else:
node = DirNode(path, changeset=self)
else:
raise NodeDoesNotExistError("There is no file nor directory "
"at the given path: %r at revision %r"
% (path, self.short_id))
# cache node
self.nodes[path] = node
return self.nodes[path]
@LazyProperty
def affected_files(self):
"""
Get's a fast accessible file changes for given changeset
"""
return self._ctx.files()
@property
def added(self):
"""
Returns list of added ``FileNode`` objects.
"""
return AddedFileNodesGenerator([n for n in self.status[1]], self)
@property
def changed(self):
"""
Returns list of modified ``FileNode`` objects.
"""
return ChangedFileNodesGenerator([n for n in self.status[0]], self)
@property
def removed(self):
"""
Returns list of removed ``FileNode`` objects.
"""
return RemovedFileNodesGenerator([n for n in self.status[2]], self)