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| author | Ezio Melotti <ezio.melotti@gmail.com> | 2011-10-28 11:34:56 (GMT) |
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| committer | Ezio Melotti <ezio.melotti@gmail.com> | 2011-10-28 11:34:56 (GMT) |
| commit | f99e4b5dbef57e13dd603dcc0edd9b7318f08c28 (patch) | |
| tree | 62754b42cace7ac67773e4ae8babe0f791ad8f2b /Doc | |
| parent | f50ffa94abe67c6ef5e615198af15f72e7cd2a9b (diff) | |
| download | cpython-f99e4b5dbef57e13dd603dcc0edd9b7318f08c28.zip cpython-f99e4b5dbef57e13dd603dcc0edd9b7318f08c28.tar.gz cpython-f99e4b5dbef57e13dd603dcc0edd9b7318f08c28.tar.bz2 | |
Improve HTMLParser example in the doc and fix a couple minor things.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/html.parser.rst | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/Doc/library/html.parser.rst b/Doc/library/html.parser.rst index 06a3b1a..0dc81a5 100644 --- a/Doc/library/html.parser.rst +++ b/Doc/library/html.parser.rst @@ -101,9 +101,9 @@ An exception is defined as well: .. method:: HTMLParser.handle_startendtag(tag, attrs) Similar to :meth:`handle_starttag`, but called when the parser encounters an - XHTML-style empty tag (``<a .../>``). This method may be overridden by + XHTML-style empty tag (``<img ... />``). This method may be overridden by subclasses which require this particular lexical information; the default - implementation simple calls :meth:`handle_starttag` and :meth:`handle_endtag`. + implementation simply calls :meth:`handle_starttag` and :meth:`handle_endtag`. .. method:: HTMLParser.handle_endtag(tag) @@ -178,27 +178,23 @@ An exception is defined as well: Example HTML Parser Application ------------------------------- -As a basic example, below is a very basic HTML parser that uses the -:class:`HTMLParser` class to print out tags as they are encountered:: - - >>> from html.parser import HTMLParser - >>> - >>> class MyHTMLParser(HTMLParser): - ... def handle_starttag(self, tag, attrs): - ... print("Encountered a {} start tag".format(tag)) - ... def handle_endtag(self, tag): - ... print("Encountered a {} end tag".format(tag)) - ... - >>> page = """<html><h1>Title</h1><p>I'm a paragraph!</p></html>""" - >>> - >>> myparser = MyHTMLParser() - >>> myparser.feed(page) - Encountered a html start tag - Encountered a h1 start tag - Encountered a h1 end tag - Encountered a p start tag - Encountered a p end tag - Encountered a html end tag +As a basic example, below is a simple HTML parser that uses the +:class:`HTMLParser` class to print out start tags, end tags, and data +as they are encountered:: + + from html.parser import HTMLParser + + class MyHTMLParser(HTMLParser): + def handle_starttag(self, tag, attrs): + print("Encountered a start tag:", tag) + def handle_endtag(self, tag): + print("Encountered an end tag:", tag) + def handle_data(self, data): + print("Encountered some data:", data) + + parser = MyHTMLParser() + parser.feed('<html><head><title>Test</title></head>' + '<body><h1>Parse me!</h1></body></html>') .. rubric:: Footnotes |