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ruamel.yaml
===========

``ruamel.yaml`` is a YAML 1.2 loader/dumper package for Python.

* `Overview <http://yaml.readthedocs.org/en/latest/overview.html>`_
* `Installing <http://yaml.readthedocs.org/en/latest/install.html>`_
* `Details <http://yaml.readthedocs.org/en/latest/detail.html>`_
* `Examples <http://yaml.readthedocs.org/en/latest/example.html>`_
* `Differences with PyYAML <http://yaml.readthedocs.org/en/latest/pyyaml.html>`_

.. image:: https://readthedocs.org/projects/yaml/badge/?version=stable
   :target: https://yaml.readthedocs.org/en/stable

ChangeLog
=========

::

  0.12.18 (2016-11-16):
   - another fix for numpy (re-reported by Nathanial Burdic)

  0.12.17 (2016-11-15):
   - only the RoundTripLoader included the Resolver that supports YAML 1.2
     now all loaders do (reported by mixmastamyk)

  0.12.16 (2016-11-13):
   - allow dot char (and many others) in anchor name
     Fix issue 72 (reported by Shalon Wood)
   - Slightly smarter behaviour dumping strings when no style is
     specified. Single string scalars that start with single quotes
     or have newlines now are dumped double quoted: "'abc\nklm'" instead of
     '''abc

        klm'''

  0.12.14 (2016-09-21):
   - preserve round-trip sequences that are mapping keys
     (prompted by stackoverflow question 39595807 from Nowox)

  0.12.13 (2016-09-15):
   - Fix for issue #60 representation of CommentedMap with merge
     keys incorrect (reported by Tal Liron)

  0.12.11 (2016-09-06):
   - Fix issue 58 endless loop in scanning tokens (reported by
     Christopher Lambert)

  0.12.10 (2016-09-05):
   - Make previous fix depend on unicode char width (32 bit unicode support
     is a problem on MacOS reported by David Tagatac)

  0.12.8 (2016-09-05):
     - To be ignored Unicode characters were not properly regex matched
       (no specific tests, PR by Haraguroicha Hsu)

  0.12.7 (2016-09-03):
     - fixing issue 54 empty lines with spaces (reported by Alex Harvey)

  0.12.6 (2016-09-03):
     - fixing issue 46 empty lines between top-level keys were gobbled (but
       not between sequence elements, nor between keys in netsted mappings
       (reported by Alex Harvey)

  0.12.5 (2016-08-20):
    - fixing issue 45 preserving datetime formatting (submitted by altuin)
      Several formatting parameters are preserved with some normalisation:
      - preserve 'T', 't' is replaced by 'T', multiple spaces between date
        and time reduced to one.
      - optional space before timezone is removed
      - still using microseconds, but now rounded (.1234567 -> .123457)
      - Z/-5/+01:00 preserved

  0.12.4 (2016-08-19):
    - Fix for issue 44: missing preserve_quotes keyword argument (reported
      by M. Crusoe)

  0.12.3 (2016-08-17):
    - correct 'in' operation for merged CommentedMaps in round-trip mode
      (implementation inspired by J.Ngo, but original not working for merges)
    - iteration over round-trip loaded mappings, that contain merges. Also
      keys(), items(), values() (Py3/Py2) and iterkeys(), iteritems(),
      itervalues(), viewkeys(), viewitems(), viewvalues() (Py2)
    - reuse of anchor name now generates warning, not an error. Round-tripping such
      anchors works correctly. This inherited PyYAML issue was brought to attention
      by G. Coddut (and was long standing https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=515634)
      suppressing the warning:
          import warnings
          from ruamel.yaml.error import ReusedAnchorWarning
          warnings.simplefilter("ignore", ReusedAnchorWarning)

  0.12.2 (2016-08-16):
    - minor improvements based on feedback from M. Crusoe
      https://bitbucket.org/ruamel/yaml/issues/42/

  0.12.0 (2016-08-16):
    - drop support for Python 2.6
    - include initial Type information (inspired by M. Crusoe)

  0.11.15 (2016-08-07):
    - Change to prevent FutureWarning in NumPy, as reported by tgehring
    ("comparison to None will result in an elementwise object comparison in the future")

  0.11.14 (2016-07-06):
    - fix preserve_quotes missing on original Loaders (as reported
      by Leynos, bitbucket issue 38)

  0.11.13 (2016-07-06):
    - documentation only, automated linux wheels

  0.11.12 (2016-07-06):
    - added support for roundtrip of single/double quoted scalars using:
      ruamel.yaml.round_trip_load(stream, preserve_quotes=True)

  0.11.0 (2016-02-18):
    - RoundTripLoader loads 1.2 by default (no sexagesimals, 012 octals nor
      yes/no/on/off booleans