X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/b2d72160e2a68991c66ea6017b871d7f42c0b29d..826d67400c317836cd9dd02bb03b39a390e4514b:/lib/wlrepo/__init__.py?ds=sidebyside diff --git a/lib/wlrepo/__init__.py b/lib/wlrepo/__init__.py index 5c27dc97..7e878984 100644 --- a/lib/wlrepo/__init__.py +++ b/lib/wlrepo/__init__.py @@ -1,7 +1,6 @@ # -*- encoding: utf-8 -*- __author__="Łukasz Rekucki" __date__ ="$2009-09-18 10:49:24$" - __doc__ = """Main module for the Repository Abstraction Layer""" class Library(object): @@ -9,103 +8,110 @@ class Library(object): def __init__(self, create=False): """Open an existing library, or create a new one. By default, fails if the library doesn't exist.""" - self.create = create - - def main_cabinet(self): - """Return the "main" cabinet of the library.""" + self.create = create + + def documents(self): + """List all documents in the library.""" pass - def cabinets(self): - """List all cabinets in the library.""" + def document_for_rev(self, rev): + """Retrieve a document in the specified revision.""" pass - def cabinet(self, document, user, create=False): - """Open a cabinet belonging to the _user_ for a given _document_. - If the _document_ is actually a sub-document, it's parent's cabinet is - opened istead. - - If the cabinet doesn't exists and create is False (the default), a - CabinetNotFound exception is raised. - - If create is True, a new cabinet is created if it doesn't exist yet.""" + def document(self, docid, user=None): + """Retrieve a document from a library.""" pass + def get_revision(self, revid): + """Retrieve a handle to a specified revision.""" + return None -class Cabinet(object): + def document_create(self, docid): + """Create a new document. The document will have it's own branch.""" + - def __init__(self, library, name=None, doc=None, user=None): +class Document(object): + """A class representing a document package boundled with a revision.""" + + def __init__(self, library, revision): + """_library_ should be an instance of a Library.""" self._library = library - if name: - self._name = name - self._maindoc = '' - elif doc and user: - self._name = user + ':' + doc - self._maindoc = doc + if isinstance(revision, Revision): + self._revision = revision else: - raise ValueError("You must provide either name or doc and user.") + self._revision = library.get_revision(revision) - def documents(self): - """Lists all documents and sub-documents in this cabinet.""" - pass - - def retrieve(self, parts=None, shelve=None): - """Retrieve a document from a given shelve in the cabinet. If no - part is given, the main document is retrieved. If no shelve is given, - the top-most shelve is used. - If parts is a list, all the given parts are retrieved atomicly. Use None - as the name for the main document""" + def take(self, user): + """Make a user copy of the document. This is persistant.""" pass - def create(self, name): - """Create a new sub-document in the cabinet with the given name.""" + def giveback(self): + """Informs the library, that the user no longer needs this document. + Should be called on the user version of document. If not, it doesn nothing.""" + + def data(self, entry): + """Returns the specified entry as a file-like object.""" pass - - def maindoc_name(self): - return self._maindoc - @property def library(self): return self._library @property - def name(self): - return self._name + def revision(self): + return self._revision -class Document(object): - def __init__(self, cabinet, name): - self._cabinet = cabinet - self._name = name + @property + def id(self): + return self._revision.document_name - def read(self): - pass + @property + def owner(self): + return self._revision.user_name + + def parentof(self, other): + return self._revision.parentof(other._revision) - def write(self, data): - pass + def ancestorof(self, other): + return self._revision.ancestorof(other._revision) - @property - def cabinet(self): - return self._cabinet + +class Revision(object): + + def __init__(self, lib): + self._library = lib + + def parentof(self, other): + return False + + def ancestorof(self, other): + return False @property - def library(self): - return self._cabinet.library + def document_name(self): + raise ValueError() + @property + def user_name(self): + raise ValueError() # # Exception classes # -class LibraryException(Exception): - +class LibraryException(Exception): def __init__(self, msg, cause=None): Exception.__init__(self, msg) self.cause = cause -class CabinetNotFound(LibraryException): +class RevisionNotFound(LibraryException): + def __init__(self, rev): + LibraryException.__init__(self, "Revision %r not found." % rev) pass +class DocumentAlreadyExists(LibraryException): + pass # import backends to local namespace -from backend_mercurial import MercurialLibrary \ No newline at end of file +from mercurial_backend.library import MercurialLibrary \ No newline at end of file