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"""Package to clean TXT files |
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.. Authors: |
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Philippe Dessauw |
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[email protected] |
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.. Sponsor: |
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Alden Dima |
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[email protected] |
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Information Systems Group |
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Software and Systems Division |
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Information Technology Laboratory |
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National Institute of Standards and Technology |
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http://www.nist.gov/itl/ssd/is |
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""" |
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import codecs |
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from os.path import join, isfile, splitext, basename |
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from os import listdir |
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from denoiser import Denoiser |
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from pipeline.command import Command |
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class TXTDenoiser(Command): |
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"""Command to clean TXT files |
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""" |
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def __init__(self, filename, logger, config): |
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super(TXTDenoiser, self).__init__(filename, logger, config) |
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self.denoiser = Denoiser(config) |
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self.logger.debug("Denoiser initialized") |
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def execute(self): |
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"""Execute the command |
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""" |
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try: |
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self.logger.debug("::: Text cleaning :::") |
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# super(TXTDenoiser, self).get_file() |
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txt_dir = join(self.unzipped, "txt") |
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txt_files = [join(txt_dir, f) for f in listdir(txt_dir) if isfile(join(txt_dir, f)) and f.endswith(".txt")] |
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if len(txt_files) != 1: |
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self.logger.error("Incorrect number of text files") |
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self.finalize() |
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return -1 |
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text_data = self.denoiser.cleanse(txt_files[0], False) |
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# Writing classified lines |
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base_filename = splitext(basename(txt_files[0]))[0] |
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clean_filename = join(txt_dir, base_filename+".clean.txt") |
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garbage_filename = join(txt_dir, base_filename+".grbge.txt") |
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unclassified_filename = join(txt_dir, base_filename+".unclss.txt") |
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with codecs.open(clean_filename, "wb", encoding="utf-8") as clean_file: |
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for line in text_data.get_clean_lines(): |
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clean_file.write(line+"\n") |
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with codecs.open(garbage_filename, "wb", encoding="utf-8") as garbage_file: |
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for line in text_data.get_garbage_lines(): |
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garbage_file.write(line+"\n") |
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if len(text_data.get_unclassified_lines()) > 0: |
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with codecs.open(unclassified_filename, "wb", encoding="utf-8") as unclassified_file: |
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for line in text_data.get_unclassified_lines(): |
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unclassified_file.write(line+"\n") |
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except Exception, e: |
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print e |
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self.logger.error("Cleaner has stopped unexpectedly: "+e.message) |
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self.finalize() |
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return -2 |
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self.finalize() |
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return 0 |
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def finalize(self): |
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"""Finalize the job |
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""" |
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# super(TXTDenoiser, self).store_file() |
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self.logger.debug("::: Text cleaning (END) :::") |
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usnistgov /
ocr-pipeline
