o wi'@snddlZddlZddlmZddlZddlmZddlm Z dgZ dZ dZ dZ d Zd Zd ZGd ddeZdS) N)Optional) TokenizerSpec)loggingRegExTokenizerz^&zz?c@s.eZdZdZdeeeeee fde e de e de e de e de e de e d e e fd d Z d d Z ddZeddZddZddZddZddZddZddZddZed d!Zed"d#Zed$d%Zed&d'Zed(d)Zed*d+Zd8d-d.Zd8d/d0Zd8d1d2Z d9d4d5Z!d6d7Z"d,S):rz A regular expression-based tokenizer at word boundary. This tokenizer default to support MegaMolBART. regex mask_token bos_token eos_token pad_token sep_token unk_tokenc Cst||_||_||_||_||_||_||_d|_d|_|jd|jd|jd|jd|jd|jdi|_ | | dS)a Args: regex: regular expression that defined tokenization rules mask_token: mask token bos_token: the beginning of sequence token eos_token: the end of sequence token. Usually equal to sep_token pad_token: token to use for padding sep_token: token used for separating sequences cls_token: class token. Usually equal to bos_token unk_token: token to use for unknown tokens Nr) r r r r rrr regex_file vocab_filevocab _update_cache_compile_regex)selfr r r r rrrro/home/ubuntu/sommelier/.venv/lib/python3.10/site-packages/nemo/collections/common/tokenizers/regex_tokenizer.py__init__*s$ zRegExTokenizer.__init__cCs,|j|jt|_dd|jD|_dS)NcSsi|]\}}||qSrr).0tirrr \z0RegExTokenizer._update_cache..)rgetrDEFAULT_UNK_TOKEN_unk_iditems _decode_vocabrrrrrYszRegExTokenizer._update_cachecCs*d}||jd7}|d7}t||_dS)N(|z.))r recompile_compiled_regex)r regex_stringrrrr^szRegExTokenizer._compile_regexcCs t|jSN)lenrr)rrr vocab_sizeds zRegExTokenizer.vocab_sizecCs|j|}|Sr0)r.findallrtexttokensrrrtext_to_tokenshs zRegExTokenizer.text_to_tokenscCsfg}|D]%}|d|jkr|dd}|j|vr$||j}|d|}||qdd|D}|S)NrrcSsg|]}d|qS)r )join)rr6rrr zr#z1RegExTokenizer.tokens_to_text..)r r indexappend)rr6 tokens_listtokeneos_idxr5rrrtokens_to_textms     zRegExTokenizer.tokens_to_textcCs(g}|D] }||j||jq|Sr0)r;rr$r&)rr6ids_listr=rrr token_to_ids}szRegExTokenizer.token_to_idscCs6t|tr|g}g}|D] }||}||q |Sr0) isinstancestrrAr;)r token_datar@r6idsrrr tokens_to_idss   zRegExTokenizer.tokens_to_idscCst|rt|dts|g}d}nd}g}|D]%}g}|D]}|j|}|dur1td|d||q||q|rC|dS|S)NrTFz Token id z is not recognised)r1rBlistr(r$ ValueErrorr;)rr@ added_listr<rEr6token_idr=rrr ids_to_tokenss    zRegExTokenizer.ids_to_tokenscCs||}|g}||dSNr)r7rFr4rrr text_to_idss zRegExTokenizer.text_to_idscCs||}||Sr0)rKr?)rrEr6rrr ids_to_texts  zRegExTokenizer.ids_to_textcCdSrLrr)rrrpad_idzRegExTokenizer.pad_idcCrONrrr)rrrunk_idrQzRegExTokenizer.unk_idcCrO)Nrrr)rrrbos_idrQzRegExTokenizer.bos_idcCrO)Nrrr)rrreos_idrQzRegExTokenizer.eos_idcCrO)Nrrr)rrrmask_idrQzRegExTokenizer.mask_idcCrO)Nrrr)rrrsep_idrQzRegExTokenizer.sep_idNcCsL|p|j}|s td|p|j}|stj|dd}||_||_||fS)z2 Infers files or update if given. zregex_file must be specifiedrz.vocab)rrHrospathsplitext)rrrrrr_get_regex_vocab_filess  z%RegExTokenizer._get_regex_vocab_filescCs|j||d\}}td|t|d}|jD] }||ddqWdn1s1wYtd|t|d}||jWddS1sUwYdS)z9 Saves tokenizer's regex and vocab files rrzSaving vocabulary to file = wr NzSaving regex to file = )r[rinfoopenrwriter )rrrfpr=frrrsave_tokenizers   "zRegExTokenizer.save_tokenizercCs|j||d\}}td|tj|rCi}t|d}|D]}|}|r/t|||<q!Wdn1s:wY||_ nt d|tj|rdtd|t|dd |_ nt d || ||S) z9 Loads tokenizer's regex and vocab files r\zLoading vocabulary from file = rNzMissing vocab_file = zLoading regex from file = utf-8encodingzMissing regex_file = )r[rr_rXrYexistsr`stripr1r RuntimeErrorreadr rr)rrrrrclinerrrload_tokenizers*    zRegExTokenizer.load_tokenizersmilesc Cstd|d|tj|std|dt|}|j}||D]!}| |}td|d||D] }||vrEt |||<q9q%t | ddd }td |||_| d S) zg Learns vocabulary from a CSV file. Can be called multiple times to update vocabulary. z#Building vocabulary from CSV col = z file = Data file: is missingText: , Tokens: cS|dSrRrk_vrrrz5RegExTokenizer.build_vocab_from_csv..keyVocab: N)rdebugrXrYrirHpdread_csvrr7r1sortedr'r) r data_csv_filecoldfrdr6r= sorted_vocabrrrbuild_vocab_from_csvs"      z#RegExTokenizer.build_vocab_from_csvcCstd|tj|std|d|j}t|dd2}|D]%}| }| |}td|d||D] }||vrHt |||<q.ryr{)rr|rXrYrirHrr` readlinesrstripr7r1rr'r)rdata_text_filerrcrr6r=rrrrbuild_vocab_from_text"s(      z$RegExTokenizer.build_vocab_from_text)NN)ro)#__name__ __module__ __qualname____doc__DEFAULT_MASK_TOKENDEFAULT_BOS_TOKENDEFAULT_EOS_TOKENDEFAULT_PAD_TOKENDEFAULT_SEP_TOKENr%rrCrrrpropertyr2r7r?rArFrKrMrNrPrSrTrUrVrWr[rdrnrrrrrrr#sh /            " )rXr,typingrpandasr}1nemo.collections.common.tokenizers.char_tokenizerr nemo.utilsr__all__rrrrrr%rrrrrs