2020-04-06 07:21:52 +00:00
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#!/usr/bin/env python3.7
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2018-10-09 12:43:23 +00:00
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# coding=utf-8
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2022-01-27 12:40:23 +00:00
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''' Convert hOCR to TEI XML. '''
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2021-02-19 12:04:03 +00:00
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2020-04-03 15:35:30 +00:00
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from argparse import ArgumentParser
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2022-01-04 10:42:55 +00:00
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from lxml import html
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from xml.sax.saxutils import escape
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2021-03-15 11:45:05 +00:00
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import re
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2022-01-04 10:42:55 +00:00
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2018-10-09 12:43:23 +00:00
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2021-03-17 15:58:13 +00:00
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parser = ArgumentParser(description='Convert hOCR to TEI XML.')
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2022-01-27 12:40:23 +00:00
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parser.add_argument(
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'-i', '--input-file',
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help='Input file'
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)
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parser.add_argument(
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'-o', '--output-file',
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help='Output file',
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required=True
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)
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2019-05-16 12:21:01 +00:00
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args = parser.parse_args()
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2022-01-04 10:42:55 +00:00
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2021-03-17 15:58:13 +00:00
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tei = ''
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tei += '<TEI xmlns="http://www.tei-c.org/ns/1.0">\n'
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tei += ' <teiHeader>\n'
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tei += ' <fileDesc>\n'
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tei += ' <titleStmt>\n'
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tei += ' <title></title>\n'
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tei += ' </titleStmt>\n'
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tei += ' <publicationStmt>\n'
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tei += ' <p></p>\n'
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tei += ' </publicationStmt>\n'
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tei += ' <sourceDesc>\n'
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tei += ' <p></p>\n'
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tei += ' </sourceDesc>\n'
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tei += ' </fileDesc>\n'
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tei += ' </teiHeader>\n'
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tei += ' <text>\n'
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tei += ' <body>\n'
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2022-01-27 12:40:23 +00:00
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hocr = html.parse(args.input_file)
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2022-01-04 10:42:55 +00:00
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for ocr_page in hocr.findall('.//div[@class="ocr_page"]'):
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ocr_page_title_attrib = ocr_page.attrib.get('title')
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facsimile = re.search(r'image \"(.*?)\"', ocr_page_title_attrib).group(1)
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page_number = re.search(r'ppageno (\d+)', ocr_page_title_attrib).group(1)
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tei += f' <pb facs="{facsimile}" n="{page_number}"/>\n'
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for ocr_par in ocr_page.findall('.//p[@class="ocr_par"]'):
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2021-03-17 15:58:13 +00:00
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tei += ' <p>\n'
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2022-01-04 10:42:55 +00:00
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for ocr_line in ocr_par.findall('.//span[@class="ocr_line"]'):
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2021-03-17 15:58:13 +00:00
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tei += ' <lb/>'
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2022-01-27 12:40:23 +00:00
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is_first_word_in_line = True
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2022-01-04 10:42:55 +00:00
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for ocrx_word in ocr_line.findall('.//span[@class="ocrx_word"]'):
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if ocrx_word.text is not None:
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2022-01-27 12:40:23 +00:00
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if not is_first_word_in_line:
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tei += ' '
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tei += escape(ocrx_word.text)
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is_first_word_in_line = False
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2021-03-17 15:58:13 +00:00
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tei += '\n'
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tei += ' </p>\n'
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tei += ' </body>\n'
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tei += ' </text>\n'
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tei += '</TEI>\n'
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2022-01-04 10:42:55 +00:00
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with open(args.output_file, 'w') as f:
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f.write(tei)
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