def process(self,
source,
target,
input_paths,
output_path,
data_path=None):
args = ['-s', source, '-t', target, '--output', output_path, '--input']
for root in input_paths:
args.append(root)
if data_path is not None:
args.append('--dev')
args.append(
os.path.join(data_path, TrainingPreprocessor.DEV_FOLDER_NAME))
args.append('--test')
args.append(
os.path.join(data_path, TrainingPreprocessor.TEST_FOLDER_NAME))
command = mmt_javamain(self._java_mainclass, args)
shell.execute(command,
stdin=shell.DEVNULL,
stdout=shell.DEVNULL,
stderr=shell.DEVNULL)
return ParallelCorpus.splitlist(source, target, roots=output_path)
def clean(self, source, target, input_paths, output_path):
args = ['-s', source, '-t', target, '--output', output_path, '--input']
for root in input_paths:
args.append(root)
command = mmt_javamain(self._java_mainclass, args)
shell.execute(command,
stdin=shell.DEVNULL,
stdout=shell.DEVNULL,
stderr=shell.DEVNULL)
return ParallelCorpus.splitlist(source, target, roots=output_path)[0]
def build(self, roots, debug=False, steps=None, split_trainingset=True):
self._temp_dir = self._engine.get_tempdir('training', ensure=True)
source_lang = self._engine.source_lang
target_lang = self._engine.target_lang
bilingual_corpora, monolingual_corpora = ParallelCorpus.splitlist(source_lang, target_lang, roots=roots)
if len(bilingual_corpora) == 0:
raise IllegalArgumentException(
'you project does not include %s-%s data.' % (source_lang.upper(), target_lang.upper()))
if steps is None:
steps = self._engine.training_steps
else:
unknown_steps = [step for step in steps if step not in self._engine.training_steps]
if len(unknown_steps) > 0:
raise IllegalArgumentException('Unknown training steps: ' + str(unknown_steps))
cmdlogger = _builder_logger(len(steps) + 1)
cmdlogger.start(self._engine, bilingual_corpora, monolingual_corpora)
shutil.rmtree(self._engine.path, ignore_errors=True)
os.makedirs(self._engine.path)
# Check disk space constraints
free_space_on_disk = fileutils.df(self._engine.path)[2]
corpus_size_on_disk = 0
for root in roots:
corpus_size_on_disk += fileutils.du(root)
free_memory = fileutils.free()
recommended_mem = self.__GB * corpus_size_on_disk / (350 * self.__MB) # 1G RAM every 350M on disk
recommended_disk = 10 * corpus_size_on_disk
if free_memory < recommended_mem or free_space_on_disk < recommended_disk:
if free_memory < recommended_mem:
print '> WARNING: more than %.fG of RAM recommended, only %.fG available' % \
(recommended_mem / self.__GB, free_memory / self.__GB)
if free_space_on_disk < recommended_disk:
print '> WARNING: more than %.fG of storage recommended, only %.fG available' % \
(recommended_disk / self.__GB, free_space_on_disk / self.__GB)
print
try:
corpora_roots = roots
unprocessed_bicorpora = bilingual_corpora
unprocessed_mocorpora = monolingual_corpora
# TM cleanup
if 'tm_cleanup' in steps:
with cmdlogger.step('TMs clean-up') as _:
cleaned_output = self._get_tempdir('clean_tms')
self._engine.cleaner.clean(source_lang, target_lang, roots, cleaned_output)
for corpus in monolingual_corpora:
cfile = corpus.get_file(target_lang)
link = os.path.join(cleaned_output, os.path.basename(cfile))
os.symlink(cfile, link)
corpora_roots = [cleaned_output]
unprocessed_bicorpora, unprocessed_mocorpora = ParallelCorpus.splitlist(source_lang, target_lang,
roots=corpora_roots)
# Preprocessing
processed_bicorpora = unprocessed_bicorpora
processed_mocorpora = unprocessed_mocorpora
if 'preprocess' in steps:
with cmdlogger.step('Corpora preprocessing') as _:
preprocessor_output = self._get_tempdir('preprocessed')
processed_bicorpora, processed_mocorpora = self._engine.training_preprocessor.process(
source_lang, target_lang, corpora_roots, preprocessor_output,
(self._engine.data_path if split_trainingset else None)
)
# Training Context Analyzer
if 'context_analyzer' in steps:
with cmdlogger.step('Context Analyzer training') as _:
log_file = self._engine.get_logfile('training.context')
self._engine.analyzer.create_index(unprocessed_bicorpora, source_lang, log_file=log_file)
# Training Adaptive Language Model (on the target side of all bilingual corpora)
if 'lm' in steps:
with cmdlogger.step('Language Model training') as _:
working_dir = self._get_tempdir('lm')
log_file = self._engine.get_logfile('training.lm')
self._engine.lm.train(processed_bicorpora + processed_mocorpora, target_lang, working_dir, log_file)
# Training Translation Model
if 'tm' in steps:
with cmdlogger.step('Translation Model training') as _:
working_dir = self._get_tempdir('tm')
log_file = self._engine.get_logfile('training.tm')
self._engine.pt.train(processed_bicorpora, self._engine.aligner, working_dir, log_file)
# Writing config file
with cmdlogger.step('Writing config files') as _:
self._engine.write_configs()
cmdlogger.completed()
finally:
if not debug:
self._engine.clear_tempdir('training')
def build(self, roots, debug=False, steps=None, split_trainingset=True):
self._temp_dir = self._engine.get_tempdir('training', ensure=True)
source_lang = self._engine.source_lang
target_lang = self._engine.target_lang
bilingual_corpora, monolingual_corpora = ParallelCorpus.splitlist(
source_lang, target_lang, roots=roots)
if len(bilingual_corpora) == 0:
raise IllegalArgumentException(
'you project does not include %s-%s data.' %
(source_lang.upper(), target_lang.upper()))
if steps is None:
steps = self._engine.training_steps
else:
unknown_steps = [
step for step in steps
if step not in self._engine.training_steps
]
if len(unknown_steps) > 0:
raise IllegalArgumentException('Unknown training steps: ' +
str(unknown_steps))
cmdlogger = _builder_logger(len(steps) + 1)
cmdlogger.start(self._engine, bilingual_corpora, monolingual_corpora)
shutil.rmtree(self._engine.path, ignore_errors=True)
os.makedirs(self._engine.path)
# Check disk space constraints
free_space_on_disk = fileutils.df(self._engine.path)[2]
corpus_size_on_disk = 0
for root in roots:
corpus_size_on_disk += fileutils.du(root)
free_memory = fileutils.free()
recommended_mem = self.__GB * corpus_size_on_disk / (
350 * self.__MB) # 1G RAM every 350M on disk
recommended_disk = 10 * corpus_size_on_disk
if free_memory < recommended_mem or free_space_on_disk < recommended_disk:
if free_memory < recommended_mem:
print '> WARNING: more than %.fG of RAM recommended, only %.fG available' % \
(recommended_mem / self.__GB, free_memory / self.__GB)
if free_space_on_disk < recommended_disk:
print '> WARNING: more than %.fG of storage recommended, only %.fG available' % \
(recommended_disk / self.__GB, free_space_on_disk / self.__GB)
print
try:
corpora_roots = roots
unprocessed_bicorpora = bilingual_corpora
unprocessed_mocorpora = monolingual_corpora
# TM cleanup
if 'tm_cleanup' in steps:
with cmdlogger.step('TMs clean-up') as _:
cleaned_output = self._get_tempdir('clean_tms')
self._engine.cleaner.clean(source_lang, target_lang, roots,
cleaned_output)
for corpus in monolingual_corpora:
cfile = corpus.get_file(target_lang)
link = os.path.join(cleaned_output,
os.path.basename(cfile))
os.symlink(cfile, link)
corpora_roots = [cleaned_output]
unprocessed_bicorpora, unprocessed_mocorpora = ParallelCorpus.splitlist(
source_lang, target_lang, roots=corpora_roots)
# Preprocessing
processed_bicorpora = unprocessed_bicorpora
processed_mocorpora = unprocessed_mocorpora
if 'preprocess' in steps:
with cmdlogger.step('Corpora preprocessing') as _:
preprocessor_output = self._get_tempdir('preprocessed')
processed_bicorpora, processed_mocorpora = self._engine.training_preprocessor.process(
source_lang, target_lang, corpora_roots,
preprocessor_output, (self._engine.data_path
if split_trainingset else None))
# Training Context Analyzer
if 'context_analyzer' in steps:
with cmdlogger.step('Context Analyzer training') as _:
log_file = self._engine.get_logfile('training.context')
self._engine.analyzer.create_index(unprocessed_bicorpora,
source_lang,
log_file=log_file)
# Training Adaptive Language Model (on the target side of all bilingual corpora)
if 'lm' in steps:
with cmdlogger.step('Language Model training') as _:
working_dir = self._get_tempdir('lm')
log_file = self._engine.get_logfile('training.lm')
self._engine.lm.train(
processed_bicorpora + processed_mocorpora, target_lang,
working_dir, log_file)
# Training Translation Model
if 'tm' in steps:
with cmdlogger.step('Translation Model training') as _:
working_dir = self._get_tempdir('tm')
log_file = self._engine.get_logfile('training.tm')
self._engine.pt.train(processed_bicorpora,
self._engine.aligner, working_dir,
log_file)
# Writing config file
with cmdlogger.step('Writing config files') as _:
self._engine.write_configs()
cmdlogger.completed()
finally:
if not debug:
self._engine.clear_tempdir('training')
