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#
# htmlStripper.py
#
# Sample code for stripping HTML markup tags and scripts from
# HTML source files.
#
# Copyright (c) 2006, 2016, Paul McGuire
#
from urllib.request import urlopen
from pyparsing import (
makeHTMLTags,
commonHTMLEntity,
replaceHTMLEntity,
htmlComment,
anyOpenTag,
anyCloseTag,
LineEnd,
replaceWith,
)
scriptOpen, scriptClose = makeHTMLTags("script")
scriptBody = scriptOpen + scriptOpen.tag_body + scriptClose
commonHTMLEntity.setParseAction(replaceHTMLEntity)
# get some HTML
targetURL = "https://wiki.python.org/moin/PythonDecoratorLibrary"
with urlopen(targetURL) as targetPage:
targetHTML = targetPage.read().decode("UTF-8")
# first pass, strip out tags and translate entities
firstPass = (
(htmlComment | scriptBody | commonHTMLEntity | anyOpenTag | anyCloseTag)
.suppress()
.transformString(targetHTML)
)
# first pass leaves many blank lines, collapse these down
repeatedNewlines = LineEnd() * (2,)
repeatedNewlines.setParseAction(replaceWith("\n\n"))
secondPass = repeatedNewlines.transformString(firstPass)
print(secondPass)
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