+++ /dev/null
-# -*- encoding: utf-8 -*-
-__author__="Łukasz Rekucki"
-__date__ ="$2009-09-18 10:49:24$"
-__doc__ = """Main module for the Repository Abstraction Layer"""
-
-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 documents(self):
- """List all documents in the library."""
- pass
-
- def document_for_revision(self, rev):
- """Retrieve a document in the specified revision."""
- pass
-
- def document(self, docid, user=None, rev='latest'):
- """Retrieve a document from a library."""
- pass
-
- def get_revision(self, revid):
- """Retrieve a handle to a specified revision."""
- return None
-
- def document_create(self, docid):
- """Create a new document. The document will have it's own branch."""
-
-
-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 isinstance(revision, Revision):
- self._revision = revision
- else:
- self._revision = library.get_revision(revision)
-
-
- def take(self, user):
- """Make a user copy of the document. This is persistant."""
- pass
-
- 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 unicode data."""
- pass
-
- @property
- def library(self):
- return self._library
-
- @property
- def revision(self):
- return self._revision
-
- @property
- def id(self):
- return self._revision.document_name
-
- @property
- def owner(self):
- return self._revision.user_name
-
- def parentof(self, other):
- return self._revision.parentof(other._revision)
-
- def parent(self):
- return self._library.document_for_revision(self._revision.parent())
-
- def has_parent_from(self, other):
- return self._revision.has_parent_from(other._revision)
-
- def ancestorof(self, other):
- return self._revision.ancestorof(other._revision)
-
-
-class Revision(object):
-
- def __init__(self, lib):
- self._library = lib
-
- def parentof(self, other):
- return False
-
- def ancestorof(self, other):
- return False
-
- @property
- def document_name(self):
- raise ValueError()
-
- @property
- def user_name(self):
- raise ValueError()
-
-#
-# Exception classes
-#
-
-class LibraryException(Exception):
- def __init__(self, msg, cause=None):
- Exception.__init__(self, msg)
- self.cause = cause
-
-class UpdateException(LibraryException):
- pass
-
-class RevisionNotFound(LibraryException):
- def __init__(self, rev):
- LibraryException.__init__(self, "Revision %r not found." % rev)
-
-class RevisionMismatch(LibraryException):
- def __init__(self, fdi, rev):
- LibraryException.__init__(self, "No revision %r for document %r." % (rev, fdi))
-
-class EntryNotFound(LibraryException):
- def __init__(self, rev, entry, guesses=[]):
- LibraryException.__init__(self, \
- u"Entry '%s' at revision %r not found. %s" % (entry, rev, \
- (u"Posible values:\n" + u',\n'.join(guesses)) if len(guesses) else u'') )
-
-class DocumentAlreadyExists(LibraryException):
- pass
-
-# import backends to local namespace
-
-def open_library(path, proto, *args, **kwargs):
- if proto == 'hg':
- import wlrepo.mercurial_backend.library
- return wlrepo.mercurial_backend.library.MercurialLibrary(path, *args, **kwargs)
-
- raise NotImplemented()
\ No newline at end of file
fnp / redakcja.git / blobdiff