chore: import upstream snapshot with attribution

2026-07-13 13:25:10 +08:00
commit c397331b1e
3684 changed files with 990993 additions and 0 deletions
@@ -0,0 +1,34 @@
+import pynini
+from fun_text_processing.text_normalization.en.graph_utils import (
+    DAMO_NON_BREAKING_SPACE,
+    DAMO_SPACE,
+    GraphFst,
+    delete_space,
+)
+from fun_text_processing.text_normalization.ru.alphabet import RU_ALPHA
+from pynini.lib import pynutil
+
+
+class MeasureFst(GraphFst):
+    """
+    Finite state transducer for verbalizing measure, e.g.
+        measure { cardinal { integer: "два килограма" } } -> "два килограма"
+
+    Args:
+        deterministic: if True will provide a single transduction option,
+            for False multiple transduction are generated (used for audio-based normalization)
+    """
+
+    def __init__(self, deterministic: bool = True):
+        super().__init__(name="measure", kind="verbalize", deterministic=deterministic)
+
+        graph = (
+            pynutil.delete(' cardinal { integer: "')
+            + pynini.closure(RU_ALPHA | DAMO_SPACE | DAMO_NON_BREAKING_SPACE)
+            + pynutil.delete('"')
+            + delete_space
+            + pynutil.delete("}")
+        )
+
+        delete_tokens = self.delete_tokens(graph)
+        self.fst = delete_tokens.optimize()