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61 lines
2.3 KiB
61 lines
2.3 KiB
3 years ago
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#!/bin/bash
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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License
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lm=$1
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lang=$2
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tgt_lang=$3
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unset GREP_OPTIONS
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sym=$lang/words.txt
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arpa_lm=$lm/lm.arpa
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# Compose the language model to FST
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cat $arpa_lm | \
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grep -v '<s> <s>' | \
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grep -v '</s> <s>' | \
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grep -v '</s> </s>' | \
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grep -v -i '<unk>' | \
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grep -v -i '<spoken_noise>' | \
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arpa2fst --read-symbol-table=$sym --keep-symbols=true - | fstprint | \
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utils/fst/eps2disambig.pl | utils/fst/s2eps.pl | fstcompile --isymbols=$sym \
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--osymbols=$sym --keep_isymbols=false --keep_osymbols=false | \
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fstrmepsilon | fstarcsort --sort_type=ilabel > $tgt_lang/G_with_slot.fst
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root_label=`grep ROOT $sym | awk '{print $2}'`
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address_slot_label=`grep \<ADDRESS_SLOT\> $sym | awk '{print $2}'`
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time_slot_label=`grep \<TIME_SLOT\> $sym | awk '{print $2}'`
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date_slot_label=`grep \<DATE_SLOT\> $sym | awk '{print $2}'`
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money_slot_label=`grep \<MONEY_SLOT\> $sym | awk '{print $2}'`
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year_slot_label=`grep \<YEAR_SLOT\> $sym | awk '{print $2}'`
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fstisstochastic $tgt_lang/G_with_slot.fst
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fstreplace --epsilon_on_replace $tgt_lang/G_with_slot.fst \
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$root_label $tgt_lang/address_slot.fst $address_slot_label \
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$tgt_lang/date_slot.fst $date_slot_label \
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$tgt_lang/money_slot.fst $money_slot_label \
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$tgt_lang/time_slot.fst $time_slot_label \
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$tgt_lang/year_slot.fst $year_slot_label $tgt_lang/G.fst
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fstisstochastic $tgt_lang/G.fst
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# Compose the token, lexicon and language-model FST into the final decoding graph
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fsttablecompose $lang/L.fst $tgt_lang/G.fst | fstdeterminizestar --use-log=true | \
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fstminimizeencoded | fstarcsort --sort_type=ilabel > $tgt_lang/LG.fst || exit 1;
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fsttablecompose $lang/T.fst $tgt_lang/LG.fst > $tgt_lang/TLG.fst || exit 1;
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rm $tgt_lang/LG.fst
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echo "Composing decoding graph TLG.fst succeeded"
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