kallithea Changeset - 2e8a87a085c5

Changeset - 2e8a87a085c5

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Søren Løvborg - 9 years ago 2017-01-30 20:04:20
sorenl@unity3d.com

vcs: fix incorrect comment

1 file changed with 2 insertions and 3 deletions:

kallithea/lib/vcs/backends/base.py

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kallithea/lib/vcs/backends/base.py

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 # -*- coding: utf-8 -*-
 """
     vcs.backends.base
     ~~~~~~~~~~~~~~~~~
     Base for all available scm backends
     :created_on: Apr 8, 2010
     :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.
 """
 import datetime
 import itertools
 from kallithea.lib.vcs.utils import author_name, author_email, safe_unicode
 from kallithea.lib.vcs.utils.lazy import LazyProperty
 from kallithea.lib.vcs.utils.helpers import get_dict_for_attrs
 from kallithea.lib.vcs.conf import settings
 from kallithea.lib.vcs.exceptions import (
     ChangesetError, EmptyRepositoryError, NodeAlreadyAddedError,
     NodeAlreadyChangedError, NodeAlreadyExistsError, NodeAlreadyRemovedError,
     NodeDoesNotExistError, NodeNotChangedError, RepositoryError
+)
 class BaseRepository(object):
     """
     Base Repository for final backends
     **Attributes**
         ``DEFAULT_BRANCH_NAME``
             name of default branch (i.e. "trunk" for svn, "master" for git etc.
         ``scm``
             alias of scm, i.e. *git* or *hg*
         ``repo``
             object from external api
         ``revisions``
             list of all available revisions' ids, in ascending order
         ``changesets``
             storage dict caching returned changesets
         ``path``
             absolute path to the repository
         ``branches``
             branches as list of changesets
         ``tags``
             tags as list of changesets
     """
     scm = None
     DEFAULT_BRANCH_NAME = None
     EMPTY_CHANGESET = '0' * 40
     def __init__(self, repo_path, create=False, **kwargs):
         """
         Initializes repository. Raises RepositoryError if repository could
         not be find at the given ``repo_path`` or directory at ``repo_path``
         exists and ``create`` is set to True.
         :param repo_path: local path of the repository
         :param create=False: if set to True, would try to create repository.
         :param src_url=None: if set, should be proper url from which repository
           would be cloned; requires ``create`` parameter to be set to True -
           raises RepositoryError if src_url is set and create evaluates to
           False
         """
         raise NotImplementedError
     def __str__(self):
         return '<%s at %s>' % (self.__class__.__name__, self.path)
     def __repr__(self):
         return self.__str__()
     def __len__(self):
         return self.count()
     def __eq__(self, other):
         same_instance = isinstance(other, self.__class__)
         return same_instance and getattr(other, 'path', None) == self.path
     def __ne__(self, other):
         return not self.__eq__(other)
     @LazyProperty
     def alias(self):
         for k, v in settings.BACKENDS.items():
             if v.split('.')[-1] == str(self.__class__.__name__):
                 return k
     @LazyProperty
     def name(self):
         """
         Return repository name (without group name)
         """
         raise NotImplementedError
     @property
     def name_unicode(self):
         return safe_unicode(self.name)
     @LazyProperty
     def owner(self):
         raise NotImplementedError
     @LazyProperty
     def description(self):
         raise NotImplementedError
     @LazyProperty
     def size(self):
         """
         Returns combined size in bytes for all repository files
         """
         size = 0
         try:
             tip = self.get_changeset()
             for topnode, dirs, files in tip.walk('/'):
                 for f in files:
                     size += tip.get_file_size(f.path)
         except RepositoryError as e:
             pass
         return size
     def is_valid(self):
         """
         Validates repository.
         """
         raise NotImplementedError
     def is_empty(self):
         return self._empty
     #==========================================================================
     # CHANGESETS
     #==========================================================================
     def get_changeset(self, revision=None):
         """
         Returns instance of ``Changeset`` class. If ``revision`` is None, most
         recent changeset is returned.
         :raises ``EmptyRepositoryError``: if there are no revisions
         """
         raise NotImplementedError
     def __iter__(self):
         """
         Allows Repository objects to be iterated.
         *Requires* implementation of ``__getitem__`` method.
         """
         for revision in self.revisions:
             yield self.get_changeset(revision)
     def get_changesets(self, start=None, end=None, start_date=None,
                        end_date=None, branch_name=None, reverse=False):
         """
         Returns iterator of ``MercurialChangeset`` objects from start to end
         not inclusive This should behave just like a list, ie. end is not
         inclusive
         Returns iterator of ``BaseChangeset`` objects from start to end,
         both inclusive.
         :param start: None or str
         :param end: None or str
         :param start_date:
         :param end_date:
         :param branch_name:
         :param reversed:
         """
         raise NotImplementedError
     def __getslice__(self, i, j):
         """
         Returns a iterator of sliced repository
         """
         for rev in self.revisions[i:j]:
             yield self.get_changeset(rev)
     def __getitem__(self, key):
         return self.get_changeset(key)
     def count(self):
         return len(self.revisions)
     def tag(self, name, user, revision=None, message=None, date=None, **opts):
         """
         Creates and returns a tag for the given ``revision``.
         :param name: name for new tag
         :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
         :param revision: changeset id for which new tag would be created
         :param message: message of the tag's commit
         :param date: date of tag's commit
         :raises TagAlreadyExistError: if tag with same name already exists
         """
         raise NotImplementedError
     def remove_tag(self, name, user, message=None, date=None):
         """
         Removes tag with the given ``name``.
         :param name: name of the tag to be removed
         :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
         :param message: message of the tag's removal commit
         :param date: date of tag's removal commit
         :raises TagDoesNotExistError: if tag with given name does not exists
         """
         raise NotImplementedError
     def get_diff(self, rev1, rev2, path=None, ignore_whitespace=False,
             context=3):
         """
         Returns (git like) *diff*, as plain text. Shows changes introduced by
         ``rev2`` since ``rev1``.
         :param rev1: Entry point from which diff is shown. Can be
           ``self.EMPTY_CHANGESET`` - in this case, patch showing all
           the changes since empty state of the repository until ``rev2``
         :param rev2: Until which revision changes should be shown.
         :param ignore_whitespace: If set to ``True``, would not show whitespace
           changes. Defaults to ``False``.
         :param context: How many lines before/after changed lines should be
           shown. Defaults to ``3``.
         """
         raise NotImplementedError
     # ========== #
     # COMMIT API #
     # ========== #
     @LazyProperty
     def in_memory_changeset(self):
         """
         Returns ``InMemoryChangeset`` object for this repository.
         """
         raise NotImplementedError
     def add(self, filenode, **kwargs):
         """
         Commit api function that will add given ``FileNode`` into this
         repository.
         :raises ``NodeAlreadyExistsError``: if there is a file with same path
           already in repository
         :raises ``NodeAlreadyAddedError``: if given node is already marked as
           *added*
         """
         raise NotImplementedError
     def remove(self, filenode, **kwargs):
         """
         Commit api function that will remove given ``FileNode`` into this
         repository.
         :raises ``EmptyRepositoryError``: if there are no changesets yet
         :raises ``NodeDoesNotExistError``: if there is no file with given path
         """
         raise NotImplementedError
     def commit(self, message, **kwargs):
         """
         Persists current changes made on this repository and returns newly
         created changeset.
         :raises ``NothingChangedError``: if no changes has been made
         """
         raise NotImplementedError
     def get_state(self):
         """
         Returns dictionary with ``added``, ``changed`` and ``removed`` lists
         containing ``FileNode`` objects.
         """
         raise NotImplementedError
     def get_config_value(self, section, name, config_file=None):
         """
         Returns configuration value for a given [``section``] and ``name``.
         :param section: Section we want to retrieve value from
         :param name: Name of configuration we want to retrieve
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     def get_user_name(self, config_file=None):
         """
         Returns user's name from global configuration file.
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     def get_user_email(self, config_file=None):
         """
         Returns user's email from global configuration file.
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     # =========== #
     # WORKDIR API #
     # =========== #
     @LazyProperty
     def workdir(self):
         """
         Returns ``Workdir`` instance for this repository.
         """
         raise NotImplementedError
 class BaseChangeset(object):
     """
     Each backend should implement it's changeset representation.
     **Attributes**
         ``repository``
             repository object within which changeset exists
         ``id``
             may be ``raw_id`` or i.e. for mercurial's tip just ``tip``
         ``raw_id``
             raw changeset representation (i.e. full 40 length sha for git
             backend)
         ``short_id``
             shortened (if apply) version of ``raw_id``; it would be simple
             shortcut for ``raw_id[:12]`` for git/mercurial backends or same
             as ``raw_id`` for subversion
         ``revision``
             revision number as integer
         ``files``
             list of ``FileNode`` (``Node`` with NodeKind.FILE) objects
         ``dirs``
             list of ``DirNode`` (``Node`` with NodeKind.DIR) objects
         ``nodes``
             combined list of ``Node`` objects
         ``author``
             author of the changeset, as unicode
         ``message``
             message of the changeset, as unicode
         ``parents``
             list of parent changesets
         ``last``
             ``True`` if this is last changeset in repository, ``False``
             otherwise; trying to access this attribute while there is no
             changesets would raise ``EmptyRepositoryError``
     """
     def __str__(self):
         return '<%s at %s:%s>' % (self.__class__.__name__, self.revision,
             self.short_id)
     def __repr__(self):
         return self.__str__()
     def __unicode__(self):
         return u'%s:%s' % (self.revision, self.short_id)
     def __eq__(self, other):
         return self.raw_id == other.raw_id
     def __json__(self):
         return dict(
             short_id=self.short_id,
             raw_id=self.raw_id,
             revision=self.revision,
             message=self.message,
             date=self.date,
             author=self.author,
+        )
     @LazyProperty
     def last(self):
         if self.repository is None:
             raise ChangesetError("Cannot check if it's most recent revision")
         return self.raw_id == self.repository.revisions[-1]
     @LazyProperty
     def parents(self):
         """
         Returns list of parents changesets.
         """
         raise NotImplementedError
     @LazyProperty
     def children(self):
         """
         Returns list of children changesets.
         """
         raise NotImplementedError
     @LazyProperty
     def id(self):
         """
         Returns string identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def raw_id(self):
         """
         Returns raw string identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def short_id(self):
         """
         Returns shortened version of ``raw_id`` attribute, as string,
         identifying this changeset, useful for web representation.
         """
         raise NotImplementedError
     @LazyProperty
     def revision(self):
         """
         Returns integer identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def committer(self):
         """
         Returns Committer for given commit
         """
         raise NotImplementedError
     @LazyProperty
     def committer_name(self):
         """
         Returns Author name for given commit
         """
         return author_name(self.committer)
     @LazyProperty
     def committer_email(self):
         """
         Returns Author email address for given commit
         """
         return author_email(self.committer)
     @LazyProperty
     def author(self):
         """
         Returns Author for given commit
         """
         raise NotImplementedError
     @LazyProperty
     def author_name(self):
         """
         Returns Author name for given commit
         """
         return author_name(self.author)
     @LazyProperty
     def author_email(self):
         """
         Returns Author email address for given commit
         """
         return author_email(self.author)
     def get_file_mode(self, path):
         """
         Returns stat mode of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_content(self, path):
         """
         Returns content of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_size(self, path):
         """
         Returns size of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_changeset(self, path):
         """
         Returns last commit of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_history(self, path):
         """
         Returns history of file as reversed list of ``Changeset`` objects for
         which file at given ``path`` has been modified.
         """
         raise NotImplementedError
     def get_nodes(self, path):
         """
         Returns combined ``DirNode`` and ``FileNode`` objects list representing
         state of changeset at the given ``path``.
         :raises ``ChangesetError``: if node at the given ``path`` is not
           instance of ``DirNode``
         """
         raise NotImplementedError
     def get_node(self, path):
         """
         Returns ``Node`` object from the given ``path``.
         :raises ``NodeDoesNotExistError``: if there is no node at the given
           ``path``
         """
         raise NotImplementedError
     def fill_archive(self, stream=None, kind='tgz', prefix=None):
         """
         Fills up given stream.
         :param stream: file like object.
         :param kind: one of following: ``zip``, ``tar``, ``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>
         """
         raise NotImplementedError
     def get_chunked_archive(self, **kwargs):
         """
         Returns iterable archive. Tiny wrapper around ``fill_archive`` method.
         :param chunk_size: extra parameter which controls size of returned
             chunks. Default:8k.
         """
         chunk_size = kwargs.pop('chunk_size', 8192)
         stream = kwargs.get('stream')
         self.fill_archive(**kwargs)
         while True:
             data = stream.read(chunk_size)
             if not data:
                 break
             yield data
     @LazyProperty
     def root(self):
         """
         Returns ``RootNode`` object for this changeset.
         """
         return self.get_node('')
     def next(self, branch=None):
         """
         Returns next changeset from current, if branch is gives it will return
         next changeset belonging to this branch
         :param branch: show changesets within the given named branch
         """
         raise NotImplementedError
     def prev(self, branch=None):
         """
         Returns previous changeset from current, if branch is gives it will
         return previous changeset belonging to this branch
         :param branch: show changesets within the given named branch
         """
         raise NotImplementedError
     @LazyProperty
     def added(self):
         """
         Returns list of added ``FileNode`` objects.
         """
         raise NotImplementedError
     @LazyProperty
     def changed(self):
         """
         Returns list of modified ``FileNode`` objects.
         """
         raise NotImplementedError
     @LazyProperty
     def removed(self):
         """
         Returns list of removed ``FileNode`` objects.
         """
         raise NotImplementedError
     @LazyProperty
     def size(self):
         """
         Returns total number of bytes from contents of all filenodes.
         """
         return sum((node.size for node in self.get_filenodes_generator()))
     def walk(self, topurl=''):
         """
         Similar to os.walk method. Instead of filesystem it walks through
         changeset starting at given ``topurl``.  Returns generator of tuples
         (topnode, dirnodes, filenodes).
         """
         topnode = self.get_node(topurl)
         yield (topnode, topnode.dirs, topnode.files)
         for dirnode in topnode.dirs:
             for tup in self.walk(dirnode.path):
                 yield tup
     def get_filenodes_generator(self):
         """
         Returns generator that yields *all* file nodes.
         """
         for topnode, dirs, files in self.walk():
             for node in files:
                 yield node
     def as_dict(self):
         """
         Returns dictionary with changeset's attributes and their values.
         """
         data = get_dict_for_attrs(self, ['id', 'raw_id', 'short_id',
             'revision', 'date', 'message'])
         data['author'] = {'name': self.author_name, 'email': self.author_email}
         data['added'] = [node.path for node in self.added]
         data['changed'] = [node.path for node in self.changed]
         data['removed'] = [node.path for node in self.removed]
         return data
     @LazyProperty
     def closesbranch(self):
         return False
     @LazyProperty
     def obsolete(self):
         return False
     @LazyProperty
     def bumped(self):
         return False
     @LazyProperty
     def divergent(self):
         return False
     @LazyProperty
     def extinct(self):
         return False
     @LazyProperty
     def unstable(self):
         return False
     @LazyProperty
     def phase(self):
         return ''
 class BaseWorkdir(object):
     """
     Working directory representation of single repository.
     :attribute: repository: repository object of working directory
     """
     def __init__(self, repository):
         self.repository = repository
     def get_branch(self):
         """
         Returns name of current branch.
         """
         raise NotImplementedError
     def get_changeset(self):
         """
         Returns current changeset.
         """
         raise NotImplementedError
     def get_added(self):
         """
         Returns list of ``FileNode`` objects marked as *new* in working
         directory.
         """
         raise NotImplementedError
     def get_changed(self):
         """
         Returns list of ``FileNode`` objects *changed* in working directory.
         """
         raise NotImplementedError
     def get_removed(self):
         """
         Returns list of ``RemovedFileNode`` objects marked as *removed* in
         working directory.
         """
         raise NotImplementedError
     def get_untracked(self):
         """
         Returns list of ``FileNode`` objects which are present within working
         directory however are not tracked by repository.
         """
         raise NotImplementedError
     def get_status(self):
         """
         Returns dict with ``added``, ``changed``, ``removed`` and ``untracked``
         lists.
         """
         raise NotImplementedError
     def commit(self, message, **kwargs):
         """
         Commits local (from working directory) changes and returns newly
         created
         ``Changeset``. Updates repository's ``revisions`` list.
         :raises ``CommitError``: if any error occurs while committing
         """
         raise NotImplementedError
     def update(self, revision=None):
         """
         Fetches content of the given revision and populates it within working
         directory.
         """
         raise NotImplementedError
     def checkout_branch(self, branch=None):
         """
         Checks out ``branch`` or the backend's default branch.
         Raises ``BranchDoesNotExistError`` if the branch does not exist.
         """
         raise NotImplementedError
 class BaseInMemoryChangeset(object):
     """
     Represents differences between repository's state (most recent head) and
     changes made *in place*.
     **Attributes**
         ``repository``
             repository object for this in-memory-changeset
         ``added``
             list of ``FileNode`` objects marked as *added*
         ``changed``
             list of ``FileNode`` objects marked as *changed*
         ``removed``
             list of ``FileNode`` or ``RemovedFileNode`` objects marked to be
             *removed*
         ``parents``
             list of ``Changeset`` representing parents of in-memory changeset.
             Should always be 2-element sequence.
     """
     def __init__(self, repository):
         self.repository = repository
         self.added = []
         self.changed = []
         self.removed = []
         self.parents = []
     def add(self, *filenodes):
         """
         Marks given ``FileNode`` objects as *to be committed*.
         :raises ``NodeAlreadyExistsError``: if node with same path exists at
           latest changeset
         :raises ``NodeAlreadyAddedError``: if node with same path is already
           marked as *added*
         """
         # Check if not already marked as *added* first
         for node in filenodes:
             if node.path in (n.path for n in self.added):
                 raise NodeAlreadyAddedError("Such FileNode %s is already "
                     "marked for addition" % node.path)
         for node in filenodes:
             self.added.append(node)
     def change(self, *filenodes):
         """
         Marks given ``FileNode`` objects to be *changed* in next commit.
         :raises ``EmptyRepositoryError``: if there are no changesets yet
         :raises ``NodeAlreadyExistsError``: if node with same path is already
           marked to be *changed*
         :raises ``NodeAlreadyRemovedError``: if node with same path is already
           marked to be *removed*
         :raises ``NodeDoesNotExistError``: if node doesn't exist in latest
           changeset
         :raises ``NodeNotChangedError``: if node hasn't really be changed
         """
         for node in filenodes:
             if node.path in (n.path for n in self.removed):
                 raise NodeAlreadyRemovedError("Node at %s is already marked "
                     "as removed" % node.path)
         try:
             self.repository.get_changeset()
         except EmptyRepositoryError:
             raise EmptyRepositoryError("Nothing to change - try to *add* new "
                 "nodes rather than changing them")
         for node in filenodes:
             if node.path in (n.path for n in self.changed):
                 raise NodeAlreadyChangedError("Node at '%s' is already "
                     "marked as changed" % node.path)
             self.changed.append(node)
     def remove(self, *filenodes):
         """
         Marks given ``FileNode`` (or ``RemovedFileNode``) objects to be
         *removed* in next commit.
         :raises ``NodeAlreadyRemovedError``: if node has been already marked to
           be *removed*
         :raises ``NodeAlreadyChangedError``: if node has been already marked to
           be *changed*
         """
         for node in filenodes:
             if node.path in (n.path for n in self.removed):
                 raise NodeAlreadyRemovedError("Node is already marked to "
                     "for removal at %s" % node.path)
             if node.path in (n.path for n in self.changed):
                 raise NodeAlreadyChangedError("Node is already marked to "
                     "be changed at %s" % node.path)
             # We only mark node as *removed* - real removal is done by
             # commit method
             self.removed.append(node)
     def reset(self):
         """
         Resets this instance to initial state (cleans ``added``, ``changed``
         and ``removed`` lists).
         """
         self.added = []
         self.changed = []
         self.removed = []
         self.parents = []
     def get_ipaths(self):
         """
         Returns generator of paths from nodes marked as added, changed or
         removed.
         """
         for node in itertools.chain(self.added, self.changed, self.removed):
             yield node.path
     def get_paths(self):
         """
         Returns list of paths from nodes marked as added, changed or removed.
         """
         return list(self.get_ipaths())
     def check_integrity(self, parents=None):
         """
         Checks in-memory changeset's integrity. Also, sets parents if not
         already set.
         :raises CommitError: if any error occurs (i.e.
           ``NodeDoesNotExistError``).
         """
         if not self.parents:
             parents = parents or []
             if len(parents) == 0:
                 try:
                     parents = [self.repository.get_changeset(), None]
                 except EmptyRepositoryError:
                     parents = [None, None]
             elif len(parents) == 1:
                 parents += [None]
             self.parents = parents
         # Local parents, only if not None
         parents = [p for p in self.parents if p]
         # Check nodes marked as added
         for p in parents:
             for node in self.added:
                 try:
                     p.get_node(node.path)
                 except NodeDoesNotExistError:
                     pass
                 else:
                     raise NodeAlreadyExistsError("Node at %s already exists "
                         "at %s" % (node.path, p))
         # Check nodes marked as changed
         missing = set(self.changed)
         not_changed = set(self.changed)
         if self.changed and not parents:
             raise NodeDoesNotExistError(str(self.changed[0].path))
         for p in parents:
             for node in self.changed:
                 try:
                     old = p.get_node(node.path)
                     missing.remove(node)

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