Welcome to PyYAML

PyYAML is a full-featured YAML framework for the Python programming language.

PyYAML Resources

PyYAML News

2020-06-01: LibYAML 0.2.5 is released.

2020-04-19: LibYAML 0.2.4 is released.

2020-04-11: LibYAML 0.2.3 is released.

2020-03-18: PyYAML 5.3.1 is released.

2020-01-06: PyYAML 5.3 is released.

2019-12-02: PyYAML 5.2 is released.

2019-07-30: PyYAML 5.1.2 is released.

2019-06-06: PyYAML 5.1.1 is released.

2019-03-13: LibYAML 0.2.2 and PyYAML 5.1 are released.

2018-07-05: PyYAML 3.13 is released.

2018-06-24: LibYAML 0.2.1 is released.

2016-08-28: LibYAML 0.1.7 and PyYAML 3.12 are released.

2014-03-26: PyYAML 3.11 is released.

2014-03-26: LibYAML 0.1.6 is released.

2014-02-04: LibYAML 0.1.5 is released.

2012-12-27: Moving to BitBucket. Please leave your bug reports there: PyYAML => http://bitbucket.org/xi/pyyaml; LibYAML => http://bitbucket.org/xi/libyaml.

2011-05-30: PyYAML 3.10 is released.

2011-05-30: LibYAML 0.1.4 is released.

2010-11-06: A captcha is enabled; main project pages are made read-only.

2010-10-11: PyYAML 3.09: MS Windows installer for Python 2.7.

2009-08-31: PyYAML 3.09 is released.

2009-08-31: LibYAML 0.1.3 is released.

2008-12-31: PyYAML 3.08 is released (includes Python 3 support).

2008-12-29: PyYAML 3.07 is released.

2008-12-28: LibYAML 0.1.2 is released.

2008-10-03: PyYAML 3.06 is released.

2008-07-16: I have installed the plugin spam-filter for Trac. If you have any troubles adding new tickets, please let me know.

2007-05-31: LibYAML 0.1.1 is released.

2007-05-13: PyYAML 3.05 is released.

2006-10-20: PyYAML 3.04 and PySyck 0.61.2: MS Windows installers for Python 2.5.

2006-08-20: PyYAML 3.04 is released.

2006-08-01: LibYAML 0.0.1 is released.

2006-06-19: PyYAML 3.03 is released.

2006-05-15: PyYAML 3.02 is released.

2006-05-07: PyYAML 3.01 is released.

2006-03-26: PySyck 0.61.2 is released.

2006-03-18: PySyck 0.61.1 is released.

About this website

This website is hosted on GitHub: https://github.com/yaml/pyyaml.org