blob: 6d99639f9036b5fe9ee7a77a9908820c0c8e1dc5 [file] [log] [blame]
From: Ingy döt Net <>
Subject: [ANN] PyYAML-5.1: YAML parser and emitter for Python
Announcing PyYAML-5.1b7 (Second beta release)
A new MAJOR RELEASE of PyYAML is now available:
This is the first major release of PyYAML under the new maintenance team.
Among the many changes listed below, this release specifically addresses the
arbitrary code execution issue raised by:
for complete details).
The PyYAML project is now maintained by the YAML and Python communities.
Planning happens on the #yaml-dev, #pyyaml and #libyaml IRC channels on
* -- Some modernization of the test running
* -- Install tox in a virtualenv
* -- Allow colon in a plain scalar in a flow context
* -- Fix typos
* -- Improve RepresenterError creation
* -- Resolves #57, update readme issues link
* -- Document and test Python 3.6 support
* -- Use Travis CI built in pip cache support
* -- Remove tox workaround for Travis CI
* -- Adding support to Unicode characters over codepoint 0xffff
* -- Support unicode literals over codepoint 0xffff
* -- add 3.12 changelog
* -- Fallback to Pure Python if Compilation fails
* -- Drop unsupported Python 3.3
* -- Include license file in the generated wheel package
* -- Removed Python 2.6 & 3.3 support
* -- Remove commented out Psyco code
* -- Remove call to `ord` in lib3 emitter code
* -- Allow to turn off sorting keys in Dumper
* -- Test on Python 3.7-dev
* -- Support escaped slash in double quotes "\/"
* -- Make default_flow_style=False
* -- Deprecate yaml.load and add FullLoader and UnsafeLoader classes
PyYAML IRC Channel: #pyyaml on
PyYAML homepage:
PyYAML documentation:
Source and binary installers:
GitHub repository:
Bug tracking:
YAML homepage:
YAML-core mailing list:
About PyYAML
YAML is a data serialization format designed for human readability and
interaction with scripting languages. PyYAML is a YAML parser and emitter for
PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support,
capable extension API, and sensible error messages. PyYAML supports standard
YAML tags and provides Python-specific tags that allow to represent an
arbitrary Python object.
PyYAML is applicable for a broad range of tasks from complex configuration
files to object serialization and persistence.
>>> import yaml
>>> yaml.full_load("""
... name: PyYAML
... description: YAML parser and emitter for Python
... homepage:
... keywords: [YAML, serialization, configuration, persistence, pickle]
... """)
{'keywords': ['YAML', 'serialization', 'configuration', 'persistence',
'pickle'], 'homepage': '', 'description':
'YAML parser and emitter for Python', 'name': 'PyYAML'}
>>> print(yaml.dump(_))
name: PyYAML
description: YAML parser and emitter for Python
keywords: [YAML, serialization, configuration, persistence, pickle]
The following people are currently responsible for maintaining PyYAML:
* Ingy döt Net
* Tina Mueller
* Matt Davis
and many thanks to all who have contribributed!
Copyright (c) 2017-2019 Ingy döt Net <>
Copyright (c) 2006-2016 Kirill Simonov <>
The PyYAML module was written by Kirill Simonov <>.
It is currently maintained by the YAML and Python communities.
PyYAML is released under the MIT license.
See the file LICENSE for more details.