Parsel is a library to extract data from HTML and XML using XPath and CSS selectors
Project description
Parsel is a library to extract data from HTML and XML using XPath and CSS selectors
- Free software: BSD license
- Documentation: https://parsel.readthedocs.org.
Features
- Extract text using CSS or XPath selectors
- Regular expression helper methods
Example:
>>> from parsel import Selector
>>> sel = Selector(text=u"""<html>
<body>
<h1>Hello, Parsel!</h1>
<ul>
<li><a href="http://example.com">Link 1</a></li>
<li><a href="http://scrapy.org">Link 2</a></li>
</ul
</body>
</html>""")
>>>
>>> sel.css('h1::text').extract_first()
u'Hello, Parsel!'
>>>
>>> sel.css('h1::text').re('\w+')
[u'Hello', u'Parsel']
>>>
>>> for e in sel.css('ul > li'):
print(e.xpath('.//a/@href').extract_first())
http://example.com
http://scrapy.org
History
1.2.0 (2017-05-17)
- Add SelectorList.get and SelectorList.getall methods as aliases for SelectorList.extract_first and SelectorList.extract respectively
- Add default value parameter to SelectorList.re_first method
- Add Selector.re_first method
- Bug fix: detect None result from lxml parsing and fallback with an empty document
- Rearrange XML/HTML examples in the selectors usage docs
- Travis CI:
- Test against Python 3.6
- Test against PyPy using “Portable PyPy for Linux” distribution
1.1.0 (2016-11-22)
- Change default HTML parser to lxml.html.HTMLParser, which makes easier to use some HTML specific features
- Add css2xpath function to translate CSS to XPath
- Add support for ad-hoc namespaces declarations
- Add support for XPath variables
- Documentation improvements and updates
1.0.3 (2016-07-29)
- Add BSD-3-Clause license file
- Re-enable PyPy tests
- Integrate py.test runs with setuptools (needed for Debian packaging)
- Changelog is now called NEWS
1.0.2 (2016-04-26)
- Fix bug in exception handling causing original traceback to be lost
- Added docstrings and other doc fixes
1.0.1 (2015-08-24)
- Updated PyPI classifiers
- Added docstrings for csstranslator module and other doc fixes
1.0.0 (2015-08-22)
- Documentation fixes
0.9.6 (2015-08-14)
- Updated documentation
- Extended test coverage
0.9.5 (2015-08-11)
- Support for extending SelectorList
0.9.4 (2015-08-10)
- Try workaround for travis-ci/dpl#253
0.9.3 (2015-08-07)
- Add base_url argument
0.9.2 (2015-08-07)
- Rename module unified -> selector and promoted root attribute
- Add create_root_node function
0.9.1 (2015-08-04)
- Setup Sphinx build and docs structure
- Build universal wheels
- Rename some leftovers from package extraction
0.9.0 (2015-07-30)
- First release on PyPI.
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