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[redakcja.git] / lib / wlrepo / __init__.py

diff --git a/lib/wlrepo/__init__.py b/lib/wlrepo/__init__.py
old mode 100644 (file)
new mode 100755 (executable)
index 7e87898..ed0998c
--- a/lib/wlrepo/__init__.py
+++ b/lib/wlrepo/__init__.py
@@ -14,11 +14,11 @@ class Library(object):
         """List all documents in the library."""
         pass
 
         """List all documents in the library."""
         pass
 

-    def document_for_rev(self, rev):
+    def document_for_revision(self, rev):

         """Retrieve a document in the specified revision."""
         pass
 
         """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
 
         """Retrieve a document from a library."""
         pass
 


@@ -51,7 +51,7 @@ class Document(object):
         Should be called on the user version of document. If not, it doesn nothing."""
        
     def data(self, entry):
         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."""
+        """Returns the specified entry as a unicode data."""

         pass
 
     @property
         pass
 
     @property


@@ -73,6 +73,12 @@ class Document(object):
     def parentof(self, other):
         return self._revision.parentof(other._revision)
 
     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)
 
     def ancestorof(self, other):
         return self._revision.ancestorof(other._revision)
 


@@ -105,13 +111,34 @@ class LibraryException(Exception):
         Exception.__init__(self, msg)
         self.cause = cause
 
         Exception.__init__(self, msg)
         self.cause = cause
 

+class UpdateException(LibraryException):
+    pass
+
+class OutdatedException(LibraryException):
+    pass
+

 class RevisionNotFound(LibraryException):
     def __init__(self, rev):
         LibraryException.__init__(self, "Revision %r not found." % rev)
 class RevisionNotFound(LibraryException):
     def __init__(self, rev):
         LibraryException.__init__(self, "Revision %r not found." % rev)

-    pass
+
+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
 
 class DocumentAlreadyExists(LibraryException):
     pass
 
 # import backends to local namespace

-from mercurial_backend.library import MercurialLibrary
\ No newline at end of file
+
+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