/usr/share/doc/python-pyparsing-doc/examples/htmlStripper.py is in python-pyparsing-doc 2.0.3+dfsg1-1.
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# htmlStripper.py
#
# Sample code for stripping HTML markup tags and scripts from
# HTML source files.
#
# Copyright (c) 2006, Paul McGuire
#
from pyparsing import *
import urllib.request, urllib.parse, urllib.error
removeText = replaceWith("")
scriptOpen,scriptClose = makeHTMLTags("script")
scriptBody = scriptOpen + SkipTo(scriptClose) + scriptClose
scriptBody.setParseAction(removeText)
anyTag,anyClose = makeHTMLTags(Word(alphas,alphanums+":_"))
anyTag.setParseAction(removeText)
anyClose.setParseAction(removeText)
htmlComment.setParseAction(removeText)
commonHTMLEntity.setParseAction(replaceHTMLEntity)
# get some HTML
targetURL = "http://wiki.python.org/moin/PythonDecoratorLibrary"
targetPage = urllib.request.urlopen( targetURL )
targetHTML = targetPage.read()
targetPage.close()
# first pass, strip out tags and translate entities
firstPass = (htmlComment | scriptBody | commonHTMLEntity |
anyTag | anyClose ).transformString(targetHTML)
# first pass leaves many blank lines, collapse these down
repeatedNewlines = LineEnd() + OneOrMore(LineEnd())
repeatedNewlines.setParseAction(replaceWith("\n\n"))
secondPass = repeatedNewlines.transformString(firstPass)
print(secondPass)
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