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#!/usr/bin/env python
# Copyright © 2008-2018 Jakub Wilk <jwilk@jwilk.net>
# Copyright © 2022-2024 FriedrichFroebel
#
# This file is part of djvulibre-python.
#
# djvulibre-python is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
# djvulibre-python is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
import argparse
import os
import sys
import djvu.decode
def print_text(sexpr, level=0):
if level > 0:
print(' ' * (2 * level - 1), end=' ')
if isinstance(sexpr, djvu.sexpr.ListExpression):
if len(sexpr) == 0:
return
print(str(sexpr[0].value), [sexpr[i].value for i in range(1, 5)])
for child in sexpr[5:]:
print_text(child, level + 1)
else:
print(sexpr)
class Context(djvu.decode.Context):
def handle_message(self, message):
if isinstance(message, djvu.decode.ErrorMessage):
print(message, file=sys.stderr)
# Exceptions in handle_message() are ignored, so sys.exit()
# wouldn't work here.
os._exit(1)
def process(self, path):
document = self.new_document(djvu.decode.FileURI(path))
document.decoding_job.wait()
for page in document.pages:
page.get_info()
print_text(page.text.sexpr)
def main():
ap = argparse.ArgumentParser()
ap.add_argument('path', metavar='DJVU-FILE')
options = ap.parse_args()
context = Context()
context.process(options.path)
if __name__ == '__main__':
main()
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