ElectronicFst (verbalizers/electronic.py)

Verbalizer FST for electronic email addresses.

# Source: https://github.com/modelscope/FunASR | License: MIT | Copyright 2025 FunASR
# Provided via justclaw.it.com; keep this notice with the code.
import pynini
from fun_text_processing.inverse_text_normalization.id.graph_utils import (
    DAMO_NOT_QUOTE,
    GraphFst,
    delete_space,
)
from pynini.lib import pynutil


class ElectronicFst(GraphFst):
    """
    Finite state transducer for verbalizing electronic
        e.g. tokens { electronic { username: "cdf1" domain: "abc.edu" } } -> cdf1@abc.edu
    """

    def __init__(self):
        super().__init__(name="electronic", kind="verbalize")
        user_name = (
            pynutil.delete("username:")
            + delete_space
            + pynutil.delete('"')
            + pynini.closure(DAMO_NOT_QUOTE, 1)
            + pynutil.d

... (truncated -- full source via MCP)