pip install -U sacremoses
NOTE: Sacremoses only supports Python 3 now (sacremoses>=0.0.41). If you're using Python 2, the last possible version is sacremoses==0.0.40.
>>> from sacremoses import MosesTokenizer, MosesDetokenizer
>>> mt = MosesTokenizer(lang='en')
>>> text = 'This, is a sentence with weird\xbb symbols\u2026 appearing everywhere\xbf'
>>> expected_tokenized = 'This , is a sentence with weird \xbb symbols \u2026 appearing everywhere \xbf'
>>> tokenized_text = mt.tokenize(text, return_str=True)
>>> tokenized_text == expected_tokenized
True
>>> mt, md = MosesTokenizer(lang='en'), MosesDetokenizer(lang='en')
>>> sent = "This ain't funny. It's actually hillarious, yet double Ls. | [] < > [ ] & You're gonna shake it off? Don't?"
>>> expected_tokens = ['This', 'ain', ''t', 'funny', '.', 'It', ''s', 'actually', 'hillarious', ',', 'yet', 'double', 'Ls', '.', '|', '[', ']', '<', '>', '[', ']', '&', 'You', ''re', 'gonna', 'shake', 'it', 'off', '?', 'Don', ''t', '?']
>>> expected_detokens = "This ain't funny. It's actually hillarious, yet double Ls. | [] < > [] & You're gonna shake it off? Don't?"
>>> mt.tokenize(sent) == expected_tokens
True
>>> md.detokenize(tokens) == expected_detokens
True>>> from sacremoses import MosesTruecaser, MosesTokenizer
# Train a new truecaser from a 'big.txt' file.
>>> mtr = MosesTruecaser()
>>> mtok = MosesTokenizer(lang='en')
# Save the truecase model to 'big.truecasemodel' using `save_to`
>> tokenized_docs = [mtok.tokenize(line) for line in open('big.txt')]
>>> mtr.train(tokenized_docs, save_to='big.truecasemodel')
# Save the truecase model to 'big.truecasemodel' after training
# (just in case you forgot to use `save_to`)
>>> mtr = MosesTruecaser()
>>> mtr.train('big.txt')
>>> mtr.save_model('big.truecasemodel')
# Truecase a string after training a model.
>>> mtr = MosesTruecaser()
>>> mtr.train('big.txt')
>>> mtr.truecase("THE ADVENTURES OF SHERLOCK HOLMES")
['the', 'adventures', 'of', 'Sherlock', 'Holmes']
# Loads a model and truecase a string using trained model.
>>> mtr = MosesTruecaser('big.truecasemodel')
>>> mtr.truecase("THE ADVENTURES OF SHERLOCK HOLMES")
['the', 'adventures', 'of', 'Sherlock', 'Holmes']
>>> mtr.truecase("THE ADVENTURES OF SHERLOCK HOLMES", use_known=True)
['the', 'ADVENTURES', 'OF', 'SHERLOCK', 'HOLMES']
>>> mtr.truecase("THE ADVENTURES OF SHERLOCK HOLMES", return_str=True)
'the adventures of Sherlock Holmes'>>> from sacremoses import MosesPunctNormalizer
>>> mpn = MosesPunctNormalizer()
>>> mpn.normalize('THIS EBOOK IS OTHERWISE PROVIDED TO YOU "AS-IS."')
'THIS EBOOK IS OTHERWISE PROVIDED TO YOU "AS-IS."'Since version 0.0.42, the pipeline feature for CLI is introduced, thus there
are global options that should be set first before calling the commands:
- language
- processes
- encoding
- quiet
$ pip install -U sacremoses>=0.1
$ sacremoses --help
Usage: sacremoses [OPTIONS] COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]...
Options:
-l, --language TEXT Use language specific rules when tokenizing
-j, --processes INTEGER No. of processes.
-e, --encoding TEXT Specify encoding of file.
-q, --quiet Disable progress bar.
--version Show the version and exit.
-h, --help Show this message and exit.
Commands:
detokenize
detruecase
normalize
tokenize
train-truecase
truecaseExample to chain the following commands:
normalizewith-coption to remove control characters.tokenizewith-aoption for aggressive dash split rules.truecasewith-aoption to indicate that model is for ASR- if
big.truemodelexists, load the model with-moption, - otherwise train a model and save it with
-moption tobig.truemodelfile.
- if
- save the output to console to the
big.txt.norm.tok.truefile.
cat big.txt | sacremoses -l en -j 4 \
normalize -c tokenize -a truecase -a -m big.truemodel \
> big.txt.norm.tok.true$ sacremoses tokenize --help
Usage: sacremoses tokenize [OPTIONS]
Options:
-a, --aggressive-dash-splits Triggers dash split rules.
-x, --xml-escape Escape special characters for XML.
-p, --protected-patterns TEXT Specify file with patters to be protected in
tokenisation.
-c, --custom-nb-prefixes TEXT Specify a custom non-breaking prefixes file,
add prefixes to the default ones from the
specified language.
-h, --help Show this message and exit.
$ sacremoses -l en -j 4 tokenize < big.txt > big.txt.tok
100%|██████████████████████████████████| 128457/128457 [00:05<00:00, 24363.39it/s
$ wget https://raw.githubusercontent.com/moses-smt/mosesdecoder/master/scripts/tokenizer/basic-protected-patterns
$ sacremoses -l en -j 4 tokenize -p basic-protected-patterns < big.txt > big.txt.tok
100%|██████████████████████████████████| 128457/128457 [00:05<00:00, 22183.94it/s$ sacremoses detokenize --help
Usage: sacremoses detokenize [OPTIONS]
Options:
-x, --xml-unescape Unescape special characters for XML.
-h, --help Show this message and exit.
$ sacremoses -l en -j 4 detokenize < big.txt.tok > big.txt.tok.detok
100%|██████████████████████████████████| 128457/128457 [00:16<00:00, 7931.26it/s]$ sacremoses truecase --help
Usage: sacremoses truecase [OPTIONS]
Options:
-m, --modelfile TEXT Filename to save/load the modelfile.
[required]
-a, --is-asr A flag to indicate that model is for ASR.
-p, --possibly-use-first-token Use the first token as part of truecase
training.
-h, --help Show this message and exit.
$ sacremoses -j 4 truecase -m big.model < big.txt.tok > big.txt.tok.true
100%|██████████████████████████████████| 128457/128457 [00:09<00:00, 14257.27it/s]$ sacremoses detruecase --help
Usage: sacremoses detruecase [OPTIONS]
Options:
-j, --processes INTEGER No. of processes.
-a, --is-headline Whether the file are headlines.
-e, --encoding TEXT Specify encoding of file.
-h, --help Show this message and exit.
$ sacremoses -j 4 detruecase < big.txt.tok.true > big.txt.tok.true.detrue
100%|█████████████████████████████████| 128457/128457 [00:04<00:00, 26945.16it/s]$ sacremoses normalize --help
Usage: sacremoses normalize [OPTIONS]
Options:
-q, --normalize-quote-commas Normalize quotations and commas.
-d, --normalize-numbers Normalize number.
-p, --replace-unicode-puncts Replace unicode punctuations BEFORE
normalization.
-c, --remove-control-chars Remove control characters AFTER normalization.
-h, --help Show this message and exit.
$ sacremoses -j 4 normalize < big.txt > big.txt.norm
100%|██████████████████████████████████| 128457/128457 [00:09<00:00, 13096.23it/s]
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