X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/1d07e208b0897af64f71755c974762bc7cd19ca0..96bc5f73483f3e907eebd60df638a9de0a9124f3:/lib/wlrepo/__init__.py

diff --git a/lib/wlrepo/__init__.py b/lib/wlrepo/__init__.py
index 430e59f9..f8c07c68 100644
--- a/lib/wlrepo/__init__.py
+++ b/lib/wlrepo/__init__.py
@@ -18,7 +18,7 @@ class Library(object):
         """Retrieve a document in the specified revision."""
         pass
 
-    def document(self, docid, user=None):
+    def document(self, docid, user=None, rev='latest'):
         """Retrieve a document from a library."""
         pass
 
@@ -73,6 +73,9 @@ class Document(object):
     def parentof(self, other):
         return self._revision.parentof(other._revision)
 
+    def has_parent_from(self, other):
+        return self._revision.has_parent_from(other._revision)
+
     def ancestorof(self, other):
         return self._revision.ancestorof(other._revision)
 
@@ -105,9 +108,16 @@ class LibraryException(Exception):
         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=[]):
@@ -122,7 +132,7 @@ class DocumentAlreadyExists(LibraryException):
 
 def open_library(path, proto, *args, **kwargs):
     if proto == 'hg':
-        import wlrepo.mercurial_backend
-        return wlrepo.mercurial_backend.MercurialLibrary(path, *args, **kwargs)
+        import wlrepo.mercurial_backend.library
+        return wlrepo.mercurial_backend.library.MercurialLibrary(path, *args, **kwargs)
 
     raise NotImplemented()
\ No newline at end of file