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# ...
#
# 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):
if not has_cmd('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
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