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Development
===========
Please use the `PyVCF repository <https://github.com/jamescasbon/PyVCF/>`_.
Pull requests gladly accepted.
Issues should be reported at the github issue tracker.
Running tests
-------------
Please check the tests by running them with::
python setup.py test
New features should have test code sent with them.
Changes
=======
0.6.7 Release
-------------
* Include missing .pyx files
0.6.6 Release
-------------
* better walk together record ordering (Thanks @datagram, #141)
0.6.5 Release
-------------
* Better contig handling (#115, #116, #119 thanks Martijn)
* INFO lines with type character (#120, #121 thanks @AndrewUzilov, Martijn)
* Single breakends fix (#126 thanks @pkrushe)
* Speedup by losing ordering of INFO (#128 thanks Martijn)
* HOMSEQ and other missing fields in INFO (#130 thanks Martijn)
* Add aaf property, (thanks @mgymrek #131)
* Custom equality for walk_together, thanks bow #132
* Change default line encoding to '\n'
* Improved __eq__ (#134, thanks bow)
0.6.4 Release
-------------
* Handle INFO fields with multiple values, thanks
* Support writing records without GT data #88, thanks @bow
* Pickleable call data #112, thanks @superbobry
* Write files without FORMAT #95 thanks Martijn
* Strict whitespace mode, thanks Martijn, Lee Lichtenstein and Manawsi Gupta
* Add support for contigs in header, thanks @gcnh and Martijn
* Fix GATK header parsing, thanks @alimanfoo
0.6.3 Release
-------------
* cython port of #79
* correct writing of meta lines #84
0.6.2 Release
-------------
* issues #78, #79 (thanks Sean, Brad)
0.6.1 Release
-------------
* Add strict whitespace mode for well formed VCFs with spaces
in sample names (thanks Marco)
* Ignore blank lines in files (thanks Martijn)
* Tweaks for handling missing data (thanks Sean)
* bcftools tests (thanks Martijn)
* record.FILTER is always a list
0.6.0 Release
-------------
* Backwards incompatible change: _Call.data is now a
namedtuple (previously it was a dict)
* Optional cython version, much improved performance.
* Improvements to writer (thanks @cmclean)
* Improvements to inheritance of classes (thanks @lennax)
0.5.0 Release
-------------
* VCF 4.1 support:
- support missing genotype #28 (thanks @martijnvermaat)
- parseALT for svs #42, #48 (thanks @dzerbino)
* `trim_common_suffix` method #22 (thanks @martijnvermaat)
* Multiple metadata with the same key is stored (#52)
* Writer improvements:
- A/G in Number INFO fields #53 (thanks @lennax)
- Better output #55 (thanks @cmclean)
* Allow malformed INFO fields #49 (thanks @ilyaminkin)
* Added bayes factor error bias VCF filter
* Added docs on vcf_melt
* filters from @libor-m (SNP only, depth per sample, avg depth per sample)
* change to the filter API, use docstring for filter description
0.4.6 Release
-------------
* Performance improvements (#47)
* Preserve order of INFO column (#46)
0.4.5 Release
-------------
* Support exponent syntax qual values (#43, #44) (thanks @martijnvermaat)
* Preserve order of header lines (#45)
0.4.4 Release
-------------
* Support whitespace in sample names
* SV work (thanks @arq5x)
* Python 3 support via 2to3 (thanks @marcelm)
* Improved filtering script, capable of importing local files
0.4.3 Release
-------------
* Single floats in Reader._sample_parser not being converted to float #35
* Handle String INFO values when Number=1 in header #34
0.4.2 Release
-------------
* Installation problems
0.4.1 Release
-------------
* Installation problems
0.4.0 Release
-------------
* Package structure
* add ``vcf.utils`` module with ``walk_together`` method
* samtools tests
* support Freebayes' non standard '.' for no call
* fix vcf_melt
* support monomorphic sites, add ``is_monomorphic`` method, handle null QUALs
* filter support for files with monomorphic calls
* Values declared as single are no-longer returned in lists
* several performance improvements
0.3.0 Release
-------------
* Fix setup.py for python < 2.7
* Add ``__eq__`` to ``_Record`` and ``_Call``
* Add ``is_het`` and ``is_variant`` to ``_Call``
* Drop aggressive parse mode: we're always aggressive.
* Add tabix fetch for single calls, fix one->zero based indexing
* add prepend_chr mode for ``Reader`` to add `chr` to CHROM attributes
0.2.2 Release
-------------
Documentation release
0.2.1 Release
-------------
* Add shebang to vcf_filter.py
0.2 Release
-----------
* Replace genotype dictionary with a ``Call`` object
* Methods on ``Record`` and ``Call`` (thanks @arq5x)
* Shortcut parse_sample when genotype is None
0.1 Release
-----------
* Added test code
* Added Writer class
* Allow negative number in ``INFO`` and ``FORMAT`` fields (thanks @martijnvermaat)
* Prefer ``vcf.Reader`` to ``vcf.VCFReader``
* Support compressed files with guessing where filename is available on fsock
* Allow opening by filename as well as filesocket
* Support fetching rows for tabixed indexed files
* Performance improvements (see ``test/prof.py``)
* Added extensible filter script (see FILTERS.md), vcf_filter.py
Contributions
=============
Project started by @jdoughertyii and taken over by @jamescasbon on 12th January 2011.
Contributions from @arq5x, @brentp, @martijnvermaat, @ian1roberts, @marcelm.
This project was supported by `Population Genetics <http://www.populationgenetics.com/>`_.
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