53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
# © 2018 James R. Barlow: github.com/jbarlow83
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#
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# This file is part of OCRmyPDF.
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#
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# OCRmyPDF is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# OCRmyPDF is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OCRmyPDF. If not, see <http://www.gnu.org/licenses/>.
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from subprocess import CalledProcessError, run, PIPE
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from functools import lru_cache
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import sys
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import os
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import shutil
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from . import get_version
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from ..exceptions import ExitCode, MissingDependencyError
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@lru_cache(maxsize=1)
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def version():
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return get_version('jbig2', regex=r'jbig2enc (\d+(\.\d+)*).*')
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@lru_cache(maxsize=1)
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def available():
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try:
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version()
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except MissingDependencyError:
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return False
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return True
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def convert_group(*, cwd, infiles, out_prefix):
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args = [
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'jbig2',
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'-b',
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out_prefix,
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'-s',
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'-p',
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]
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args.extend(infiles)
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proc = run(args, cwd=cwd, stdout=PIPE, stderr=PIPE)
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proc.check_returncode()
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return proc |