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annotate python/html2text.py @ 770:cb1b91c6bceb

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example program for HTML -> text conversion using only HTMLParser
author Jeff Hammel <k0scist@gmail.com>
date Mon, 07 Mar 2016 12:22:04 -0800
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cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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1 #!/usr/bin/env python
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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2 # -*- coding: utf-8 -*-
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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3
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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4 """
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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5 convert HTML to text using only HTMLParser
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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6 """
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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7
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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8 # imports
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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9 import argparse
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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10 import sys
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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11 from HTMLParser import HTMLParser
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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12
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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13 class HTML2Text(HTMLParser):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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14
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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15 def __init__(self):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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16 HTMLParser.__init__(self)
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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17 self.in_body = False
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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18 self.text = []
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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19
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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20 def handle_starttag(self, tag, attrs):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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21 if tag == 'body':
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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22 self.in_body = True
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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23
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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24 def handle_data(self, data):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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25 if self.in_body:
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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26 data = data.strip()
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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27 if data:
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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28 self.text.append(data)
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29
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Jeff Hammel <k0scist@gmail.com>
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30 def __str__(self):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
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31 return '\n'.join(self.text)
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32
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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33 def main(args=sys.argv[1:]):
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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34
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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35 # parse command line
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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36 parser = argparse.ArgumentParser(description=__doc__)
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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37 parser.add_argument('input', nargs='?',
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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38 type=argparse.FileType('r'), default=sys.stdin,
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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39 help='input file, or read from stdin if ommitted')
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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40 options = parser.parse_args(args)
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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41
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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42 # parse HTML
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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43 html = options.input.read()
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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44 html_parser = HTML2Text()
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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45 html_parser.feed(html)
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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46 html_parser.close()
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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47
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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48 # output it
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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49 print (html_parser)
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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50
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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51 if __name__ == '__main__':
cb1b91c6bceb example program for HTML -> text conversion using only HTMLParser
Jeff Hammel <k0scist@gmail.com>
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52 main()