86 lines
2.8 KiB
Python
Executable File
86 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2016 J.F.Dockes
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# This program 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 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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 this program; if not, write to the
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# Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Recoll DJVU extractor
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from __future__ import print_function
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import os
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import sys
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import re
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import rclexecm
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import subprocess
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from rclbasehandler import RclBaseHandler
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class DJVUExtractor(RclBaseHandler):
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def __init__(self, em):
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super(DJVUExtractor, self).__init__(em)
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self.djvutxt = rclexecm.which("djvutxt")
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if not self.djvutxt:
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print("RECFILTERROR HELPERNOTFOUND djvutxt")
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sys.exit(1);
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self.djvused = rclexecm.which("djvused")
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def html_text(self, fn):
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self.em.setmimetype('text/html')
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# Extract metadata
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metadata = b""
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if self.djvused:
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try:
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metadata = subprocess.check_output(
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[self.djvused, fn, "-e", "select 1;print-meta"])
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except Exception as e:
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self.em.rclog("djvused failed: %s" % e)
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author = ""
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title = ""
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metadata = metadata.decode('UTF-8', 'replace')
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for line in metadata.split('\n'):
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line = line.split('"')
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if len(line) >= 2:
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nm = line[0].strip()
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if nm == "author":
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author = ' '.join(line[1:])
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elif nm == "title":
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title = ' '.join(line[1:])
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# Main text
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txtdata = subprocess.check_output([self.djvutxt, fn])
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txtdata = txtdata.decode('UTF-8', 'replace')
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data = '''<html><head>'''
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data += '''<title>''' + rclexecm.htmlescape(title) + '''</title>'''
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data += '''<meta http-equiv="Content-Type" '''
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data += '''content="text/html;charset=UTF-8">'''
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if author:
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data += '''<meta name="author" content="''' + \
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rclexecm.htmlescape(author) + '''">'''
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data += '''</head><body><pre>'''
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data += rclexecm.htmlescape(txtdata)
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data += '''</pre></body></html>'''
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return data
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# Main program: create protocol handler and extractor and run them
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proto = rclexecm.RclExecM()
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extract = DJVUExtractor(proto)
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rclexecm.main(proto, extract)
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