def run_txt2seg(rconfig, limit, options, verbose):
"""Takes txt files and runs the Chinese segmenter on them."""
input_dataset = find_input_dataset(TXT2SEG, rconfig)
output_dataset = find_output_dataset(TXT2SEG, rconfig)
print_datasets(TXT2SEG, input_dataset, output_dataset)
check_file_counts(input_dataset, output_dataset, limit)
count = 0
segmenter = sdp.Segmenter()
swrapper = cn_txt2seg.SegmenterWrapper(segmenter)
fspecs = get_lines(rconfig.filenames, output_dataset.files_processed,
limit)
for fspec in fspecs:
count += 1
filename = fspec.target
print_file_progress(TXT2SEG, rconfig.corpus, count, filename, verbose)
file_in, file_out = prepare_io(filename, input_dataset, output_dataset)
uncompress(file_in)
#cn_txt2seg.seg(file_in, file_out, segmenter)
swrapper.process(file_in, file_out)
compress(file_in, file_out)
if count % STEP == 0:
output_dataset.update_processed_count(STEP)
return (count % STEP, [output_dataset])
def run_txt2tag(rconfig, limit, options, verbose):
"""Takes txt files and runs the tagger on them."""
input_dataset = find_input_dataset(TXT2TAG, rconfig)
output_dataset = find_output_dataset(TXT2TAG, rconfig)
print_datasets(TXT2TAG, input_dataset, output_dataset)
check_file_counts(input_dataset, output_dataset, limit)
count = 0
tagger = txt2tag.get_tagger(rconfig.language)
fspecs = get_lines(rconfig.filenames, output_dataset.files_processed,
limit)
for fspec in fspecs:
count += 1
filename = fspec.target
print_file_progress(TXT2TAG, rconfig.corpus, count, filename, verbose)
file_in, file_out = prepare_io(filename, input_dataset, output_dataset)
uncompress(file_in)
txt2tag.tag(file_in, file_out, tagger)
# this will become relevant for cn only when we have a segmenter/tagger
# that uses only one step
if rconfig.language == 'en': compress(file_in, file_out)
if count % STEP == 0:
output_dataset.update_processed_count(STEP)
return (count % STEP, [output_dataset])
def run_classifier(self, t1, corpus):
ensure_path(self.output)
self._create_mallet_file(corpus=corpus)
self._run_classifier()
self._calculate_scores()
self._create_info_files(t1)
for fname in (self.results_file, self.mallet_file, self.scores_s1):
print "[Classifier.run_classifier] Compressing", fname
compress(fname)
def run(self):
if os.path.exists(self.info_file_general):
sys.exit("WARNING: already have classifier results in %s" %
self.batch)
ensure_path(self.batch)
self._find_datasets()
self._create_mallet_file()
self._run_classifier()
self._calculate_scores()
self._run_eval()
self._create_info_files()
compress(self.results_file, self.mallet_file, self.scores_s1)
def mallet_train_classifier(self):
commands = [self.mallet_config.cmd_csv2vectors_train,
self.mallet_config.cmd_train_classifier,
self.mallet_config.cmd_classifier2info,
self.mallet_config.cmd_cinfo_sorted]
if self.mallet_config.prune_p:
commands.append(self.mallet_config.cmd_prune)
for cmd in commands:
print "[mallet_train_classifier]"
run_command(cmd)
compress(self.mallet_config.cinfo_file,
self.mallet_config.cinfo_sorted_file,
self.mallet_config.train_vectors_file,
self.mallet_config.train_vectors_out_file,
self.mallet_config.train_mallet_file)
def run_populate(rconfig, limit, verbose=False):
"""Populate xml directory in the target directory with limit files from the
source file list or the source directory."""
output_name = DOCUMENT_PROCESSING_IO[POPULATE]['out']
dataset = DataSet(POPULATE, output_name, rconfig)
# initialize data set if it does not exist, this is not contingent on
# anything because --populate is the first step
if not dataset.exists():
dataset.initialize_on_disk()
dataset.load_from_disk()
fspecs = get_lines(rconfig.filenames, dataset.files_processed, limit)
print "[--populate] adding %d files to %s" % (len(fspecs), dataset)
count = 0
for fspec in fspecs:
count += 1
src_file = fspec.source
dst_file = os.path.join(rconfig.target_path, 'data', output_name,
dataset.version_id, 'files', fspec.target)
# allow for compressed files, while being handed the name without
# extension
if not os.path.exists(src_file):
src_file += ".gz"
dst_file += ".gz"
if verbose:
print "[--populate] %04d %s" % (count, dst_file)
ensure_path(os.path.dirname(dst_file))
try:
shutil.copyfile(src_file, dst_file)
except IOError:
print " WARNING: source file does not exist, not copying"
print " %s" % src_file
# at some point there seemed to be an issue with compressing for Chinese,
# so added this to do language dependent compressing, there is now no
# difference for the population phase
if rconfig.language == 'en': compress(dst_file)
elif rconfig.language == 'cn': compress(dst_file)
# TODO: does this mean that you miss some if total_count % STEP != 0
if count % STEP == 0:
dataset.update_processed_count(STEP)
return (count % STEP, [dataset])
def run_xml2txt(rconfig, limit, options, verbose=False):
"""Takes the xml file and produces a txt file with a simplified document
structure, keeping date, title, abstract, summary, description_rest,
first_claim and other_claims. Does this by calling the document structure
parser in onto mode if the document source is LEXISNEXIS and uses a simple
parser defined in xml2txt if the source is WOS.."""
input_dataset = find_input_dataset(XML2TXT, rconfig)
output_dataset = find_output_dataset(XML2TXT, rconfig)
print_datasets(XML2TXT, input_dataset, output_dataset)
check_file_counts(input_dataset, output_dataset, limit)
count = 0
doc_parser = make_parser(rconfig.language)
workspace = os.path.join(rconfig.target_path, 'data', 'workspace')
fspecs = get_lines(rconfig.filenames, output_dataset.files_processed,
limit)
for fspec in fspecs:
count += 1
filename = fspec.target
print_file_progress(XML2TXT, rconfig.corpus, count, filename, verbose)
file_in, file_out = prepare_io(filename, input_dataset, output_dataset)
uncompress(file_in)
try:
xml2txt.xml2txt(doc_parser, rconfig.datasource, file_in, file_out,
workspace)
except Exception as e:
# just write an empty file that can be consumed downstream
fh = codecs.open(file_out, 'w')
fh.close()
print "[--xml2txt] WARNING: error on", file_in
#print " ", e
# we now do compress the cn output of the document parser (which we
# initialy did not do)
if rconfig.language == 'en': compress(file_in, file_out)
elif rconfig.language == 'cn': compress(file_in, file_out)
if count % STEP == 0:
output_dataset.update_processed_count(STEP)
#xml2txt.print_stats()
return (count % STEP, [output_dataset])
def run_seg2tag(rconfig, limit, options, verbose):
"""Takes seg files and runs the Chinese tagger on them."""
input_dataset = find_input_dataset(SEG2TAG, rconfig)
output_dataset = find_output_dataset(SEG2TAG, rconfig)
print_datasets(SEG2TAG, input_dataset, output_dataset)
check_file_counts(input_dataset, output_dataset, limit)
count = 0
tagger = txt2tag.get_tagger(rconfig.language)
fspecs = get_lines(rconfig.filenames, output_dataset.files_processed,
limit)
for fspec in fspecs:
count += 1
filename = fspec.target
print_file_progress(SEG2TAG, rconfig.corpus, count, filename, verbose)
file_in, file_out = prepare_io(filename, input_dataset, output_dataset)
uncompress(file_in)
cn_seg2tag.tag(file_in, file_out, tagger)
compress(file_in, file_out)
if count % STEP == 0:
output_dataset.update_processed_count(STEP)
return (count % STEP, [output_dataset])
def compress_files(self):
compress(self.mallet_config.test_mallet_file,
self.mallet_config.classifier_out_file)
def copy_and_compress(source, target_dir, target_file):
"""Copy source to target file, making sure there is a directory. Compress
the new file."""
ensure_path(target_dir)
shutil.copyfile(source, target_file)
compress(target_file)
