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There's a `Cython` issue (https://github.com/yaml/pyyaml/issues/601) with `PyYAML` that breaks our `./mach vendor python` in versions of PyYAML `>5.3.1` and `=<6.0`. This issue has been resolved with `PyYAML` version `6.0.1`, and we can just safely upgrade to it (rather than downgrading to `5.3.1` (which has other issues). Differential Revision: https://phabricator.services.mozilla.com/D183818 |
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PyYAML
A full-featured YAML processing framework for Python
Installation
To install, type python setup.py install.
By default, the setup.py script checks whether LibYAML is installed and if
so, builds and installs LibYAML bindings.
To skip the check and force installation of LibYAML bindings, use the option
--with-libyaml: python setup.py --with-libyaml install.
To disable the check and skip building and installing LibYAML bindings, use
--without-libyaml: python setup.py --without-libyaml install.
When LibYAML bindings are installed, you may use fast LibYAML-based parser and emitter as follows:
>>> yaml.load(stream, Loader=yaml.CLoader)
>>> yaml.dump(data, Dumper=yaml.CDumper)
If you don't trust the input YAML stream, you should use:
>>> yaml.safe_load(stream)
Testing
PyYAML includes a comprehensive test suite.
To run the tests, type python setup.py test.
Further Information
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For more information, check the PyYAML homepage.
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Discuss PyYAML with the maintainers on Matrix at https://matrix.to/#/#pyyaml:yaml.io or IRC #pyyaml irc.libera.chat
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Submit bug reports and feature requests to the PyYAML bug tracker.
License
The PyYAML module was written by Kirill Simonov xi@resolvent.net. It is currently maintained by the YAML and Python communities.
PyYAML is released under the MIT license.
See the file LICENSE for more details.