summaryrefslogtreecommitdiff
path: root/examples/htmlStripper.py
diff options
context:
space:
mode:
Diffstat (limited to 'examples/htmlStripper.py')
-rw-r--r--examples/htmlStripper.py32
1 files changed, 32 insertions, 0 deletions
diff --git a/examples/htmlStripper.py b/examples/htmlStripper.py
new file mode 100644
index 0000000..1d7a0f0
--- /dev/null
+++ b/examples/htmlStripper.py
@@ -0,0 +1,32 @@
+#
+# htmlStripper.py
+#
+# Sample code for stripping HTML markup tags and scripts from
+# HTML source files.
+#
+# Copyright (c) 2006, 2016, Paul McGuire
+#
+from contextlib import closing
+import urllib.request, urllib.parse, urllib.error
+from pyparsing import (makeHTMLTags, SkipTo, commonHTMLEntity, replaceHTMLEntity,
+ htmlComment, anyOpenTag, anyCloseTag, LineEnd, OneOrMore, replaceWith)
+
+scriptOpen,scriptClose = makeHTMLTags("script")
+scriptBody = scriptOpen + SkipTo(scriptClose) + scriptClose
+commonHTMLEntity.setParseAction(replaceHTMLEntity)
+
+# get some HTML
+targetURL = "http://wiki.python.org/moin/PythonDecoratorLibrary"
+with closing(urllib.request.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() + OneOrMore(LineEnd())
+repeatedNewlines.setParseAction(replaceWith("\n\n"))
+secondPass = repeatedNewlines.transformString(firstPass)
+
+print(secondPass) \ No newline at end of file