83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
# This file is part of EbookLib.
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# Copyright (c) 2013 Aleksandar Erkalovic <aerkalov@gmail.com>
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#
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# EbookLib is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero 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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# EbookLib 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with EbookLib. If not, see <http://www.gnu.org/licenses/>.
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import six
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import subprocess
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from ebooklib.plugins.base import BasePlugin
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from ebooklib.utils import parse_html_string
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# Recommend usage of
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# - https://github.com/w3c/tidy-html5
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def tidy_cleanup(content, **extra):
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cmd = []
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for k, v in six.iteritems(extra):
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if v:
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cmd.append('--%s' % k)
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cmd.append(v)
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else:
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cmd.append('-%s' % k)
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# must parse all other extra arguments
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try:
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p = subprocess.Popen(['tidy']+cmd, shell=False,
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stdin=subprocess.PIPE, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, close_fds=True)
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except OSError:
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return (3, None)
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p.stdin.write(content)
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(cont, p_err) = p.communicate()
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# 0 - all ok
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# 1 - there were warnings
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# 2 - there were errors
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# 3 - exception
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return (p.returncode, cont)
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class TidyPlugin(BasePlugin):
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NAME = 'Tidy HTML'
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OPTIONS = {'char-encoding': 'utf8',
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'tidy-mark': 'no'
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}
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def __init__(self, extra = {}):
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self.options = dict(self.OPTIONS)
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self.options.update(extra)
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def html_before_write(self, book, chapter):
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if not chapter.content:
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return None
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(_, chapter.content) = tidy_cleanup(chapter.content, **self.options)
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return chapter.content
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def html_after_read(self, book, chapter):
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if not chapter.content:
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return None
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(_, chapter.content) = tidy_cleanup(chapter.content, **self.options)
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return chapter.content
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