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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# ...
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#
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# Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import re
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import logging
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from avocado.utils import process
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from avocado.utils.path import find_command, CmdNotFoundError
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def tesseract_available(expected_version):
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try:
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find_command('tesseract')
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except CmdNotFoundError:
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return False
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res = process.run('tesseract --version')
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try:
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version = res.stdout_text.split()[1]
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except IndexError:
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version = res.stderr_text.split()[1]
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return int(version.split('.')[0]) == expected_version
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match = re.match(r'tesseract\s(\d)', res)
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if match is None:
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return False
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# now this is guaranteed to be a digit
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return int(match.groups()[0]) == expected_version
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def tesseract_ocr(image_path, tesseract_args='', tesseract_version=3):
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console_logger = logging.getLogger('tesseract')
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console_logger.debug(image_path)
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if tesseract_version == 4:
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tesseract_args += ' --oem 1'
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proc = process.run("tesseract {} {} stdout".format(tesseract_args,
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image_path))
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lines = []
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for line in proc.stdout_text.split('\n'):
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sline = line.strip()
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if len(sline):
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console_logger.debug(sline)
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lines += [sline]
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return lines
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