| # ... |
| # |
| # Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2 or |
| # later. See the COPYING file in the top-level directory. |
| |
| import re |
| import logging |
| |
| from . import has_cmd, run_cmd |
| |
| def tesseract_available(expected_version): |
| (has_tesseract, _) = has_cmd('tesseract') |
| if not has_tesseract: |
| return False |
| (stdout, stderr, ret) = run_cmd([ 'tesseract', '--version']) |
| if ret: |
| return False |
| version = stdout.split()[1] |
| return int(version.split('.')[0]) >= expected_version |
| |
| def tesseract_ocr(image_path, tesseract_args=''): |
| console_logger = logging.getLogger('console') |
| console_logger.debug(image_path) |
| (stdout, stderr, ret) = run_cmd(['tesseract', image_path, |
| 'stdout']) |
| if ret: |
| return None |
| lines = [] |
| for line in stdout.split('\n'): |
| sline = line.strip() |
| if len(sline): |
| console_logger.debug(sline) |
| lines += [sline] |
| return lines |
