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106 lines
3.5 KiB
Plaintext
106 lines
3.5 KiB
Plaintext
From: Tina Müller <post@tinita.de>
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To: python-list@python.org, python-announce@python.org, yaml-core@lists.sourceforge.net
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Subject: [ANN] PyYAML-5.2: YAML parser and emitter for Python
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=======================
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Announcing PyYAML-5.2
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=======================
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A new release of PyYAML is now available:
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https://pypi.org/project/PyYAML/
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This fixes some incompatibilities introduced in version 5.1 and also removes
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another possibility of loading arbitrary code.
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Changes
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=======
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* Repair incompatibilities introduced with 5.1. The default Loader was changed,
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but several methods like add_constructor still used the old default
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https://github.com/yaml/pyyaml/pull/279 -- A more flexible fix for custom tag constructors
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https://github.com/yaml/pyyaml/pull/287 -- Change default loader for yaml.add_constructor
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https://github.com/yaml/pyyaml/pull/305 -- Change default loader for add_implicit_resolver, add_path_resolver
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* Make FullLoader safer by removing python/object/apply from the default FullLoader
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https://github.com/yaml/pyyaml/pull/347 -- Move constructor for object/apply to UnsafeConstructor
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* Fix bug introduced in 5.1 where quoting went wrong on systems with sys.maxunicode <= 0xffff
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https://github.com/yaml/pyyaml/pull/276 -- Fix logic for quoting special characters
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* Other PRs:
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https://github.com/yaml/pyyaml/pull/280 -- Update CHANGES for 5.1
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Resources
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=========
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PyYAML IRC Channel: #pyyaml on irc.freenode.net
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PyYAML homepage: https://github.com/yaml/pyyaml
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PyYAML documentation: http://pyyaml.org/wiki/PyYAMLDocumentation
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Source and binary installers: https://pypi.org/project/PyYAML/
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GitHub repository: https://github.com/yaml/pyyaml/
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Bug tracking: https://github.com/yaml/pyyaml/issues
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YAML homepage: http://yaml.org/
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YAML-core mailing list: http://lists.sourceforge.net/lists/listinfo/yaml-core
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About PyYAML
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============
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YAML is a data serialization format designed for human readability and
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interaction with scripting languages. PyYAML is a YAML parser and emitter for
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Python.
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PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support,
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capable extension API, and sensible error messages. PyYAML supports standard
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YAML tags and provides Python-specific tags that allow to represent an
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arbitrary Python object.
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PyYAML is applicable for a broad range of tasks from complex configuration
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files to object serialization and persistence.
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Example
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=======
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>>> import yaml
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>>> yaml.full_load("""
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... name: PyYAML
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... description: YAML parser and emitter for Python
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... homepage: https://github.com/yaml/pyyaml
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... keywords: [YAML, serialization, configuration, persistence, pickle]
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... """)
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{'keywords': ['YAML', 'serialization', 'configuration', 'persistence',
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'pickle'], 'homepage': 'https://github.com/yaml/pyyaml', 'description':
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'YAML parser and emitter for Python', 'name': 'PyYAML'}
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>>> print(yaml.dump(_))
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name: PyYAML
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homepage: https://github.com/yaml/pyyaml
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description: YAML parser and emitter for Python
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keywords: [YAML, serialization, configuration, persistence, pickle]
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Maintainers
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===========
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The following people are currently responsible for maintaining PyYAML:
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* Ingy döt Net
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* Tina Mueller
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* Matt Davis
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and many thanks to all who have contribributed!
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See: https://github.com/yaml/pyyaml/pulls
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Copyright
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=========
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Copyright (c) 2017-2019 Ingy döt Net <ingy@ingy.net>
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Copyright (c) 2006-2016 Kirill Simonov <xi@resolvent.net>
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The PyYAML module was written by Kirill Simonov <xi@resolvent.net>.
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It is currently maintained by the YAML and Python communities.
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PyYAML is released under the MIT license.
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See the file LICENSE for more details.
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