+
+class DiffHandler(BaseHandler):
+ allowed_methods = ('GET',)
+
+ @hglibrary
+ def read(self, request, source_revision, target_revision, lib):
+ '''Return diff between source_revision and target_revision)'''
+ source_document = lib.document_for_revision(source_revision)
+ target_document = lib.document_for_revision(target_revision)
+ print source_document,
+ print target_document
+ diff = difflib.unified_diff(
+ source_document.data('xml').splitlines(True),
+ target_document.data('xml').splitlines(True),
+ 'source',
+ 'target')
+
+ return ''.join(list(diff))
+
+