Version 27 (modified by xi, 11 years ago) (diff)

-- - the home of various YAML implementations for Python


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.

PyYAML aka PyYAML 3000

PyYAML is the next generation YAML parser and emitter for Python.


PySyck is a Python binding to  Syck, a C library for reading and writing YAML in scripting languages.

PyYAML Legacy aka PyYaml

PyYAML Legacy is the original implementation developed by various authors.

What implementation should you use?

Check this matrix if you are confused trying to choose a suitable implementation.

Implementation PySyck PyYAML PyYAML Legacy
Status Mature Beta Stable (abandoned)
Latest version 0.61 3.03 0.32 + forks
Language Python/C extension Python Python
Parser YAML 1.0 YAML 1.1 YAML 1.0 (incomplete)
Emitter YAML 1.0 YAML 1.1 YAML 1.0
Unicode support No Yes No


Wiki Topic Index

To Do

  • Fix grammar issues of PyYAML 3000 according to the discussion on YAML-core and IRC.
  • Write an example program (yaml-highlight) for PyYAML. It should insert tags at the beginning and the end of each token and parser event and use YAML for configuration.
  • Emitter.
  • Release PyYAML 3000.
  • Write a simple "canonical" YAML parser and a paper explaining the method.
  • libyaml3000 (SoC proposal).
  • support for yaml bytecode.

Trac Starting Points

For a complete list of local wiki pages, see TitleIndex.

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