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
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+import pynini
+from fun_text_processing.text_normalization.en.graph_utils import (
+    DAMO_NOT_QUOTE,
+    DAMO_SIGMA,
+    GraphFst,
+    delete_preserve_order,
+    insert_space,
+)
+from fun_text_processing.text_normalization.es.utils import get_abs_path
+from pynini.lib import pynutil
+
+digit_no_zero = pynini.invert(pynini.string_file(get_abs_path("data/numbers/digit.tsv")))
+zero = pynini.invert(pynini.string_file(get_abs_path("data/numbers/zero.tsv")))
+
+graph_symbols = pynini.string_file(get_abs_path("data/electronic/symbols.tsv"))
+server_common = pynini.string_file(get_abs_path("data/electronic/server_name.tsv"))
+domain_common = pynini.string_file(get_abs_path("data/electronic/domain.tsv"))
+
+
+class ElectronicFst(GraphFst):
+    """
+    Finite state transducer for verbalizing electronic
+        e.g. electronic { username: "abc" domain: "hotmail.com" } -> "a b c arroba hotmail punto com"
+                                                           -> "a b c arroba h o t m a i l punto c o m"
+                                                           -> "a b c arroba hotmail punto c o m"
+                                                           -> "a b c at h o t m a i l punto com"
+    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="electronic", kind="verbalize", deterministic=deterministic)
+
+        graph_digit_no_zero = (
+            digit_no_zero
+            @ pynini.cdrewrite(pynini.cross("un", "uno"), "", "", DAMO_SIGMA).optimize()
+        )
+        graph_digit = graph_digit_no_zero | zero
+
+        def add_space_after_char():
+            return pynini.closure(DAMO_NOT_QUOTE - pynini.accep(" ") + insert_space) + (
+                DAMO_NOT_QUOTE - pynini.accep(" ")
+            )
+
+        verbalize_characters = pynini.cdrewrite(graph_symbols | graph_digit, "", "", DAMO_SIGMA)
+
+        user_name = pynutil.delete('username: "') + add_space_after_char() + pynutil.delete('"')
+        user_name @= verbalize_characters
+
+        convert_defaults = (
+            pynutil.add_weight(DAMO_NOT_QUOTE, weight=0.0001) | domain_common | server_common
+        )
+        domain = convert_defaults + pynini.closure(insert_space + convert_defaults)
+        domain @= verbalize_characters
+
+        domain = pynutil.delete('domain: "') + domain + pynutil.delete('"')
+        protocol = (
+            pynutil.delete('protocol: "')
+            + add_space_after_char() @ pynini.cdrewrite(graph_symbols, "", "", DAMO_SIGMA)
+            + pynutil.delete('"')
+        )
+        self.graph = (pynini.closure(protocol + pynini.accep(" "), 0, 1) + domain) | (
+            user_name + pynini.accep(" ") + pynutil.insert("arroba ") + domain
+        )
+        delete_tokens = self.delete_tokens(self.graph + delete_preserve_order)
+        self.fst = delete_tokens.optimize()