support granite3 models

Former-commit-id: 8cff612e55eb7df116e51c4dd21e7a42543e7a1f

src/llamafactory/data/template.py

@@ -691,6 +691,18 @@ _register_template(
 )
 
 
+_register_template(
+    name="granite3",
+    format_user=StringFormatter(slots=["<|start_of_role|>user<|end_of_role|>{{content}}<|end_of_text|>\n<|start_of_role|>assistant<|end_of_role|>"]),
+    format_system=StringFormatter(slots=["<|start_of_role|>system<|end_of_role|>{{content}}<|end_of_text|>\n"]),
+    format_assistant=StringFormatter(slots=["{{content}}<|end_of_text|>\n"]),
+    format_separator=EmptyFormatter(slots=["\n"]),
+    stop_words=["<|end_of_text|>"],
+    replace_eos=True,
+    replace_jinja_template=True,
+)
+
+
 _register_template(
     name="index",
     format_user=StringFormatter(slots=["reserved_0{{content}}reserved_1"]),