Numcodecs — numcodecs 0.10.3.dev0+dirty documentation

Compression codecs, e.g., Zlib, BZ2, LZMA, ZFPY and Blosc. Pre-compression filters, e.g., Delta, ... pip install nose $ python -m nose -v numcodecs ... numcodecs stable CodecAPI Codecregistry Blosc LZ4 ZFPY Zstd Zlib GZip BZ2 LZMA Delta FixedScaleOffset Quantize Bitround PackBits Categorize 32-bitchecksums AsType JSON Pickle MsgPack Codecsforvariable-lengthobjects Shuffle Releasenotes ContributingtoNumCodecs numcodecs Docs» Numcodecs EditonGitHub Numcodecs¶ NumcodecsisaPythonpackageprovidingbuffercompressionand transformationcodecsforuseindatastorageandcommunication applications.Theseinclude: Compressioncodecs,e.g.,Zlib,BZ2,LZMA,ZFPYandBlosc. Pre-compressionfilters,e.g.,Delta,Quantize,FixedScaleOffset, PackBits,Categorize. Integritychecks,e.g.,CRC32,Adler32. AllcodecsimplementthesameAPI,allowingcodecstobeorganizedinto pipelinesinavarietyofways. Ifyouhaveaquestion,findabug,wouldliketomakeasuggestionor contributecode,pleaseraiseanissueonGitHub. Installation¶ NumcodecsdependsonNumPy.ItisgenerallybesttoinstallNumPyfirstusing whatevermethodismostappropriateforyouoperatingsystemand Pythondistribution. InstallfromPyPI: $pipinstallnumcodecs Alternatively,installviaconda: $condainstall-cconda-forgenumcodecs NumcodecsincludesaCextensionprovidingintegrationwiththeBlosc library.Wheelsareavailableformostplatforms. Installingawheelorviacondawillinstallapre-compiledbinarydistribution. However,ifyouhaveanewerCPUthatsupportstheAVX2instructionset(e.g., IntelHaswell,BroadwellorSkylake)theninstallingviapipispreferable, becausethiswillcompiletheBlosclibraryfromsourcewithoptimisations forAVX2. NotethatifyoucompiletheCextensionsonamachinewithAVX2support youprobablythencannotusethesamebinariesonamachinewithoutAVX2. TodisablecompilationwithAVX2supportregardlessofthemachine architecture: $exportDISABLE_NUMCODECS_AVX2= $pipinstall-v--no-cache-dir--no-binarynumcodecsnumcodecs ToworkwithNumcodecssourcecodeindevelopment,installfromGitHub: $gitclone--recursivehttps://github.com/zarr-developers/numcodecs.git $cdnumcodecs $pythonsetup.pyinstall ToverifythatNumcodecshasbeenfullyinstalled(includingtheBlosc extension)runthetestsuite: $pipinstallnose $python-mnose-vnumcodecs Contents¶ CodecAPI Codecregistry Blosc Helperfunctions LZ4 Helperfunctions ZFPY Zstd Helperfunctions Zlib GZip BZ2 LZMA Delta FixedScaleOffset Quantize Bitround PackBits Categorize 32-bitchecksums CRC32 Adler32 AsType JSON Pickle MsgPack Codecsforvariable-lengthobjects VLenUTF8 VLenBytes VLenArray Shuffle Releasenotes 0.10.2 0.10.1 0.10.0 0.9.1 0.9.0 0.8.1 0.8.0 0.7.3 0.7.2 0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0 0.5.5 0.5.4 0.5.3 0.5.2 0.5.1 0.5.0 0.4.1 0.4.0 0.3.1 0.3.0 0.2.1 0.2.0 0.1.1 0.1.0 0.0.1 0.0.0 ContributingtoNumCodecs Askingforhelp Bugreports Enhancementproposals Contributingcodeand/ordocumentation Developmentbestpractices,policiesandprocedures Acknowledgments¶ ThefollowingpeoplehavecontributedtothedevelopmentofNumCodecsbycontributingcode, documentation,codereviews,commentsand/orideas: FrancescAlted PrakharGoel JeromeKelleher JohnKirkham AlistairMiles JeffReback TrevorManz GrzegorzBokota JoshMoore MartinDurant PaulBranson Numcodecsbundlesthec-blosclibrary. Developmentofthispackageissupportedbythe MRCCentreforGenomicsandGlobalHealth. Indicesandtables¶ Index ModuleIndex SearchPage ReadtheDocs v:stable Versions master latest stable v0.10.2 v0.10.1 v0.10.0 v0.9.1 v0.9.0 v0.8.1 v0.8.0 v0.7.3 v0.7.2 v0.7.1 v0.7.0 v0.6.4 v0.6.3 v0.6.2 v0.6.1 v0.6.0.1 v0.6.0 v0.5.5 v0.5.4 v0.5.3 v0.5.2 v0.5.1 v0.5.0 v0.4.1 v0.4.0 v0.3.1 v0.3.0 v0.2.1 v0.2.0 v0.1.1 v0.1.0 pytest-migration-20180103 Downloads html OnReadtheDocs ProjectHome Builds FreedocumenthostingprovidedbyReadtheDocs.