[cdec.sa] Allow sentence annotation and initial configuration

1 files changed, 14 insertions, 0 deletions

diff --git a/python/pkg/cdec/sa/__init__.py b/python/pkg/cdec/sa/__init__.py
index d4b94484..e0a344b7 100644
--- a/python/pkg/cdec/sa/__init__.py
+++ b/python/pkg/cdec/sa/__init__.py
@@ -4,7 +4,21 @@ from cdec.sa._sa import make_lattice, decode_lattice, decode_sentence,\
 from cdec.sa.extractor import GrammarExtractor
 
 _SA_FEATURES = []
+_SA_ANNOTATORS = {}
+_SA_CONFIGURE = []
 
 def feature(fn):
     _SA_FEATURES.append(fn)
     return fn
+
+def annotator(fn):
+    _SA_ANNOTATORS[fn.__name__] = fn
+
+def annotate(sentence):
+    meta = {}
+    for name, fn in _SA_ANNOTATORS.iteritems():
+        meta[name] = fn(sentence)
+    return meta
+
+def configure(fn):
+    _SA_CONFIGURE.append(fn)