gavo package¶
Subpackages¶
- gavo.adql package
- Submodules
- gavo.adql.annotations module
- gavo.adql.bindinggrammar module
- gavo.adql.common module
- gavo.adql.fieldinfo module
- gavo.adql.fieldinfos module
- gavo.adql.grammar module
- gavo.adql.morphhelpers module
- gavo.adql.morphpg module
- gavo.adql.nodes module
ADQLNodeAreaArrayMapFunctionArrayReferenceBOMB_OUTBoxCaseExpressionCastSpecificationCentroidCharacterStringLiteralCircleCoalesceExpressionColumnBearingNodeColumnReferenceColumnReferenceByUCDCombiningFINodeComparisonCoosysMixinDerivedColumnDerivedTableDistanceFactorFieldInfoedNodeFromClauseFunctionNodeGenericValueExpressionGeometryCastGeometryNodeGeometryValueGroupingHavingInUnitFunctionJoinOperatorJoinSpecificationJoinedTableMOCNumericValueExpressionNumericValueFunctionOffsetSpecOrderByPlainTableRefPointPointFunctionPolygonPolygonCoosPolygonPointCooArgsPolygonSplitCooArgsPredicateGeometryFunctionQualifiedStarQuerySpecificationReplaceNodeSTCSRegionScalarArrayFunctionSelectExpressionSelectListSelectQuerySetExpressionSetFunctionSetGeneratingFunctionSetOperationNodeSetTermStringValueExpressionStringValueFunctionSubJoinTableNameTermTimestampFunctionTransparentMixinTransparentNodeWhereClauseWithQueryautocollapse()cleanNamespace()collectUserData()dispatchColumnReference()flatten()flattenKWs()getChildOfClass()getChildOfType()getChildrenOfClass()getChildrenOfType()getNodeClasses()getStringLiteral()getTreeBuildingGrammar()getType()iterFieldInfos()makeBinaryJoinTree()makeRegion()makeSTCSRegion()makeValueExpression()parseArgs()registerNode()registerRegionMaker()symbolAction()
- gavo.adql.ufunctions module
- Module contents
- Submodules
- gavo.base package
- Submodules
- gavo.base.activetags module
- gavo.base.attrdef module
- gavo.base.caches module
- gavo.base.common module
- gavo.base.complexattrs module
- gavo.base.config module
- gavo.base.coords module
BoxVector3clampAlpha()clampDelta()computeUnitSphereCoords()dirVecToCelCoos()getBbox()getCenterFromWCSFields()getCoveringCircle()getGCDist()getInvWCSTrafo()getPixelLimits()getPixelSizeDeg()getSkyWCS()getSpolyFromWCSFields()getTangentialUnits()getWCS()getWCSTrafo()makePyfitsFromDict()movePm()pix2foc()pix2sky()sgn()sky2pix()straddlesStitchingLine()
- gavo.base.cron module
- gavo.base.events module
- gavo.base.literals module
- gavo.base.macros module
- gavo.base.meta module
ComputedMetaMixinIncludesChildrenMetaAttributeMetaBuilderMetaCardErrorMetaErrorMetaItemMetaMixinMetaParserMetaSyntaxErrorMetaValueMetaValueErrorModelBasedBuilderNoMetaKeyTextBuilderdoMetaOverride()ensureMetaItem()ensureMetaValue()forKeys()getMetaText()getPrimary()makeFallbackMeta()metaRstToHtml()parseKey()parseMetaStream()printMetaTree()stanFactory()
- gavo.base.metavalidation module
- gavo.base.observer module
- gavo.base.osinter module
- gavo.base.parsecontext module
- gavo.base.spectral module
- gavo.base.sqlmunge module
- gavo.base.sqlsupport module
AdhocQuerierCustomConnectionPoolDebugConnectionDebugCursorErrorFloatableAdapterGAVOConnectionIntableAdapterNULLAdapterNonBlockingQueryPostgresQueryMixinQuerierMixinSqlArrayAdapterSqlSetAdapterStandardQueryMixinUnmanagedQuerieradaptergetAdminConn()getDBConnection()getDBMeta()getPgVersion()getTableConn()getUntrustedConn()getWritableAdminConn()getWritableTableConn()getWritableUntrustedConn()initPsycopg()setDBMeta()
- gavo.base.structure module
- gavo.base.typedmeta module
- gavo.base.typesystems module
- gavo.base.unitconv module
- gavo.base.valuemappers module
- gavo.base.xmlstruct module
- Module contents
- Submodules
- gavo.dm package
- gavo.formal package
- Subpackages
- Submodules
- Module contents
- gavo.formats package
- gavo.grammars package
- Submodules
- gavo.grammars.binarygrammar module
- gavo.grammars.cdfgrammar module
- gavo.grammars.columngrammar module
- gavo.grammars.common module
- gavo.grammars.csvgrammar module
- gavo.grammars.customgrammar module
- gavo.grammars.dictlistgrammar module
- gavo.grammars.directgrammar module
- gavo.grammars.directhdf5 module
- gavo.grammars.embeddedgrammar module
- gavo.grammars.fitsprodgrammar module
- gavo.grammars.fitstablegrammar module
- gavo.grammars.freeregrammar module
- gavo.grammars.hdf5grammar module
- gavo.grammars.kvgrammar module
- gavo.grammars.mysqldumpgrammar module
- gavo.grammars.odbcgrammar module
- gavo.grammars.pdsgrammar module
- gavo.grammars.regrammar module
- gavo.grammars.rowsetgrammar module
- gavo.grammars.uniongrammar module
- gavo.grammars.votablegrammar module
- gavo.grammars.xmlgrammar module
- Module contents
- Submodules
- gavo.helpers package
- Submodules
- gavo.helpers.anet module
- gavo.helpers.copying module
- gavo.helpers.filestuff module
- gavo.helpers.fitstricks module
- gavo.helpers.processing module
- gavo.helpers.testhelpers module
CatchallUIDataServer()FakeSimbadForkingSubprocessResourceInstanceSamplesBasedAutoTestSimpleSampleComparisonTestStandInTestResourceVerboseTestcaptureOutput()cleanXML()computeWCSKeys()ensureResources()fakeTime()forceConnection()getServerInThread()getTestData()getTestRD()getTestTable()hasUDF()main()messageCollector()tempConfig()userconfigContent()
- gavo.helpers.testtricks module
- gavo.helpers.trialhelpers module
- Module contents
- Submodules
- gavo.imp package
- Submodules
- gavo.imp.astropyucd module
- gavo.imp.pyparsing module
- pyparsing module - Classes and methods to define and execute parsing grammars
AndCaselessKeywordCaselessLiteralCharCharsNotInCloseMatchCombineDictEachEmptyFollowedByForwardGoToColumnGroupKeywordLineEndLineStartLiteralMatchFirstNoMatchNotAnyOneOrMoreOnlyOnceOptionalOrParseBaseExceptionParseElementEnhanceParseExceptionParseExpressionParseFatalExceptionParseResultsParseSyntaxExceptionParserElementPrecededByQuotedStringRecursiveGrammarExceptionRegexSkipToStringEndStringStartSuppressTokenTokenConverterWhiteWordWordEndWordStartZeroOrMorecStyleCommentcol()commaSeparatedListconditionAsParseAction()countedArray()cppStyleCommentdblSlashCommentdelimitedList()dictOf()downcaseTokens()htmlCommentindentedBlock()infixNotation()javaStyleCommentline()lineno()locatedExpr()makeHTMLTags()makeXMLTags()matchOnlyAtCol()matchPreviousExpr()matchPreviousLiteral()nestedExpr()nullDebugAction()oneOf()operatorPrecedence()originalTextFor()pyparsing_commonpyparsing_unicodepythonStyleCommentremoveQuotes()replaceHTMLEntity()replaceWith()srange()tokenMap()traceParseAction()ungroup()unicode_setupcaseTokens()withAttribute()withClass()
- gavo.imp.rjsmin module
- Module contents
- Submodules
- gavo.protocols package
- Submodules
- gavo.protocols.adqlglue module
- gavo.protocols.creds module
- gavo.protocols.dali module
- gavo.protocols.datalink module
- gavo.protocols.datapack module
- gavo.protocols.dlasync module
- gavo.protocols.gavolog module
- gavo.protocols.linetap module
- gavo.protocols.oaiclient module
- gavo.protocols.obscore module
- gavo.protocols.products module
CutoutProductFileProductInvalidProductNonExistingProductPreviewCacheManagerProductBaseProductCoreRAccrefRemotePreviewRemoteProductScaledFITSProductStaticPreviewUnauthorizedProductcomputePreviewFor()formatProductLink()getProductColumns()getProductForRAccref()makePreviewFromFITS()makePreviewWithPIL()makeProductLink()quoteProductKey()unquoteProductKey()
- gavo.protocols.scs module
- gavo.protocols.sdm module
- gavo.protocols.siap module
- gavo.protocols.simbadinterface module
- gavo.protocols.soda module
- gavo.protocols.ssap module
- gavo.protocols.tap module
- gavo.protocols.taprunner module
- gavo.protocols.useruws module
- gavo.protocols.uws module
- gavo.protocols.uwsactions module
- gavo.protocols.vocabularies module
- Module contents
- Submodules
- gavo.registry package
- Submodules
- gavo.registry.builders module
AuthResourceMakerCatalogServiceResourceMakerDataCollectionResourceMakerDataResourceMakerDataServiceResourceMakerDeletedResourceMakerDocResourceMakerOrgResourceMakerRegistryResourceMakerResourceMakerServiceResourceMakerStandardsResourceMakerTableResourceMakergetDCGetRecordElement()getDCListRecordsElement()getDCMetadataElement()getDCResourceElement()getIdentifyElement()getListIdentifiersElement()getListMetadataFormatsElement()getListSetsElement()getOAIHeaderElementForRestup()getResourceArgs()getResourceElement()getVOGetRecordElement()getVOListRecordsElement()getVORMetadataElement()getVOResourceElement()
- gavo.registry.capabilities module
APICapabilityMakerCapabilityMakerCustomCapabilityMakerCustomInterfaceDALIInterfaceDatalinkCapabilityMakerDatalinkInterfaceDocformCapabilityMakerDocformInterfaceEditionCapabilityMakerEditionInterfaceExamplesCapabilityMakerExamplesInterfaceExternalCapabilityMakerExternalInterfaceFixedCapabilityMakerFixedInterfaceFormCapabilityMakerFormInterfaceGetProductInterfaceHiPSCapabilityMakerInterfaceMakerInterfaceWithParamsJPEGCapabilityMakerOAIHTTPInterfacePlainCapabilityMakerProductCapabilityMakerQPCapabilityMakerQPInterfaceRegistryCapabilityMakerSCSCapabilityMakerSCSInterfaceSIACapabilityMakerSIAP2InterfaceSIAPInterfaceSIAV2CapabilityMakerSLAPCapabilityMakerSLAPInterfaceSOAPCapabilityMakerSOAPInterfaceSODAAsyncCapabilityMakerSODAAsyncInterfaceSODACapabilityMakerSODASyncInterfaceSSACapabilityMakerSSAPInterfaceStandardParamHTTPStaticCapabilityMakerStaticInterfaceTAPCapabilityMakerTAPInterfaceVOSIAvCapabilityMakerVOSIAvInterfaceVOSICapCapabilityMakerVOSICapInterfaceVOSICapabilityMakerVOSIInterfaceVOSITMCapabilityMakerVOSITMInterfaceVolatileCapabilityMakerVolatileInterfaceWebBrowserInterfacegetAuxiliaryCapability()getCapabilityElement()getInputParamFromColumn()getInputParams()
- gavo.registry.common module
- gavo.registry.identifiers module
- gavo.registry.model module
- gavo.registry.nonservice module
- gavo.registry.oaiinter module
- gavo.registry.publication module
- gavo.registry.servicelist module
- gavo.registry.tableset module
- gavo.registry.builders module
- Module contents
- Submodules
- gavo.rsc package
- gavo.rscdef package
- Submodules
- gavo.rscdef.builtingrammars module
- gavo.rscdef.column module
- gavo.rscdef.common module
- gavo.rscdef.coverage module
- gavo.rscdef.dddef module
- gavo.rscdef.executing module
- gavo.rscdef.group module
- gavo.rscdef.mixins module
- gavo.rscdef.procdef module
- gavo.rscdef.rdinj module
- gavo.rscdef.regtest module
- gavo.rscdef.rmkdef module
- gavo.rscdef.rmkfuncs module
- gavo.rscdef.rowtriggers module
- gavo.rscdef.scripting module
- gavo.rscdef.tabledef module
- Module contents
- Submodules
- gavo.stc package
- Submodules
- gavo.stc.bboxes module
- gavo.stc.cli module
- gavo.stc.common module
- gavo.stc.conform module
- gavo.stc.dm module
AllSkyBoxCircleConvexCooWiggleCoordSysDifferenceEllipseIntersectionMatrixWiggleNotPolygonPositionIntervalRadiusWiggleRedshiftCooRedshiftFrameRedshiftIntervalRedshiftTypeRefPosSTCSpecSpaceCooSpaceFrameSpaceIntervalSpaceTypeSpectralCooSpectralFrameSpectralIntervalSpectralTypeTimeCooTimeFrameTimeIntervalTimeTypeUnionVelocityCooVelocityIntervalVelocityTypebinarizeCompound()debinarizeCompound()fromPgSphere()
- gavo.stc.eq module
- gavo.stc.geo module
- gavo.stc.spherc module
- gavo.stc.sphermath module
- gavo.stc.stcs module
- gavo.stc.stcsast module
- gavo.stc.stcsdefaults module
- gavo.stc.stcsgen module
- gavo.stc.stcx module
- gavo.stc.stcxast module
- gavo.stc.stcxgen module
ContextaddId()astToStan()getSTCXProfile()isoformatOrNull()makeAreas()nodeToStan()serialize_AllSky()serialize_Box()serialize_Circle()serialize_Convex()serialize_CoordSys()serialize_Difference()serialize_Ellipse()serialize_Intersection()serialize_MultiCompound()serialize_Not()serialize_Polygon()serialize_RedshiftCoo()serialize_RedshiftFrame()serialize_RedshiftInterval()serialize_RefPos()serialize_SpaceCoo()serialize_SpaceFrame()serialize_SpaceInterval()serialize_SpectralCoo()serialize_SpectralFrame()serialize_SpectralInterval()serialize_TimeCoo()serialize_TimeFrame()serialize_TimeInterval()serialize_Union()serialize_VelocityCoo()serialize_VelocityInterval()strOrNull()
- gavo.stc.syslib module
- gavo.stc.tapstc module
- gavo.stc.times module
TAItoTT()TCBtoTT()TCGtoTT()TDBtoTT()TTtoTAI()TTtoTCB()TTtoTCG()TTtoTDB()TTtoUTC()UTCtoTT()bYearToDateTime()dateTimeToBYear()dateTimeToJYear()dateTimeToJdn()dateTimeToMJD()datetimeMapperFactory()getLeapSeconds()getSeconds()getTransformFromSTC()getTransformFromScales()isMJD()jYearToDateTime()jdnToDateTime()mjdToDateTime()parseISODT()
- gavo.stc.units module
- gavo.stc.utypeast module
- gavo.stc.utypegen module
- Module contents
- Submodules
- gavo.svcs package
- Submodules
- gavo.svcs.common module
- gavo.svcs.core module
- gavo.svcs.customcore module
- gavo.svcs.customwidgets module
- gavo.svcs.dalipars module
- gavo.svcs.inputdef module
- gavo.svcs.outputdef module
- gavo.svcs.pql module
- gavo.svcs.renderers module
- gavo.svcs.service module
- gavo.svcs.standardcores module
- gavo.svcs.streaming module
- gavo.svcs.uploadcores module
- gavo.svcs.vanity module
- gavo.svcs.vizierexprs module
DateFlattenerDateNodeMJDNodeNumericFlattenerNumericIntervalFlattenerNumericNodeParseNodeStringFlattenerStringNodeToVexprConverteradaptInputKey()format_placeholder()getComplexGrammar()getPlaceholderFor()getStringGrammar()makeConeSearchFor()makeDatePmNode()makeMJDPmNode()makePmNode()parseDateExpr()parseDateExprToMJD()parseDateTime()parseFloat()parseNumericExpr()parseStringExpr()
- Module contents
- Submodules
- gavo.user package
- Submodules
- gavo.user.admin module
- gavo.user.cli module
- gavo.user.common module
- gavo.user.docgen module
DocumentStructureKnownMacrosMacroDocParentPlaceholderRSTFragmentStructDocMakerformatKnownMacros()getAPIDocs()getActiveTagDocs()getCoreDocs()getDocName()getGrammarDocs()getMetaKeyDocs()getMixinDocs()getRegtestAssertions()getRendererDocs()getRmkFuncs()getStreamsDoc()getStructDocs()getStructDocsFromRegistry()getTriggerDocs()html()latex()main()makeReferenceDocs()makeSystemTablesList()refdoc()
- gavo.user.dropping module
- gavo.user.errhandle module
- gavo.user.importing module
- gavo.user.info module
AnnotationMakerannotateDBTable()estimateTableSize()getAnnotators()getDefaultSamplePercent()getMOCForStdTable()getMOCQuery()getObscoreCoverageQuery()getSCSCoverageQuery()getSIAPCoverageQuery()getSSAPCoverageQuery()getSpectralLimitsExprs()getSpectralTransformer()getTimeLimitsExprs()iterScalarLimits()main()parseCmdline()printTableInfo()
- gavo.user.initdachs module
- gavo.user.limits module
- gavo.user.logui module
- gavo.user.mkrd module
MkrdMacroProcessorTemplateMacroPackageVizBBBParserformatColumnElement()gencol()getColumnXML()getTypeForFTFormat()indent()isIgnoredKeyword()iterColAttrsFITS()iterColAttrsVOTable()iterColAttrsViz()main()makeDataForFITS()makeDataForFT()makeDataForVOTable()makeRD()makeTableFromFITS()makeTableFromFT()makeTableFromVOTable()parseCommandLine()parseGenColCommandLine()parseStartCommandLine()start()structToETree()writePrettyPrintedXML()
- gavo.user.plainui module
- gavo.user.serve module
- gavo.user.show module
- gavo.user.upgrade module
AnnotatedStringTo0UpgraderTo10UpgraderTo11UpgraderTo12UpgraderTo13UpgraderTo14UpgraderTo15UpgraderTo16UpgraderTo17UpgraderTo18UpgraderTo19UpgraderTo1UpgraderTo20UpgraderTo21UpgraderTo22UpgraderTo23UpgraderTo24UpgraderTo25UpgraderTo26UpgraderTo27UpgraderTo28UpgraderTo29UpgradeTo2UpgraderTo30UpgraderTo31UpgraderTo32UpgraderTo33UpgraderTo34UpgraderTo3UpgraderTo4UpgraderTo5UpgraderTo6UpgraderTo7UpgraderTo8UpgraderTo9UpgraderUpgraderclearThirdPartyCache()dumpExtensionUpdater()getColumnNamesFor()getDBSchemaVersion()iterEPNTAPTables()iterStatements()main()parseCommandLine()relationExists()showProgress()upgrade()
- gavo.user.useless module
- gavo.user.validation module
- Module contents
- Submodules
- gavo.utils package
- Submodules
- gavo.utils.algotricks module
- gavo.utils.autonode module
- gavo.utils.codetricks module
AllEncompassingSetCachedGetterDeferredImportEqualingREIdManagerMixinInfimumNSNocaseStringNullObjectSupremumaddDefaults()buildClassResolver()bytelistcompileFunction()complexlistdevnull()document()ensureExpression()floatlistforgetMemoized()getTracebackAsString()identity()importModule()in_dir()intToFunnyWord()intlistiterConsecutivePairs()iterDerivedClasses()iterDerivedObjects()iterRanges()loadInternalObject()loadPythonModule()memoizeOn()memoized()printFrames()sandbox()silence()stealVar()
- gavo.utils.dachstypes module
- gavo.utils.excs module
- gavo.utils.fancyconfig module
BadConfigValueBooleanConfigItemBytestringConfigItemConfigErrorConfigItemConfigurationDefaultSectionDictConfigItemEnumeratedConfigItemExpandedPathConfigItemFloatConfigItemIntConfigItemIntListConfigItemIntSetConfigItemListConfigItemMagicSectionNoConfigItemParseErrorPathConfigItemPathRelativeConfigItemSectionSetConfigItemStringConfigItemSyntaxErrorload_tests()makeTxtDocs()readConfiguration()
- gavo.utils.fitstools module
ESODescriptorsErrorFITSErrorWCSAxiscutoutFITS()cutoutHeader()fitsLock()fixImageExtind()getAxisLengths()getWCSAxis()headerFromDict()iterFITSRows()iterScaledBytes()iterScaledRows()openFits()padCard()parseCards()parseESODescriptors()readHeaderBytes()readPrimaryHeaderQuick()replacePrimaryHeader()replacePrimaryHeaderInPlace()serializeHeader()shrinkWCSHeader()sortHeaders()
- gavo.utils.imgtools module
- gavo.utils.mathtricks module
- gavo.utils.misctricks module
- gavo.utils.monkeypatch module
- gavo.utils.ostricks module
- gavo.utils.parsetricks module
- gavo.utils.pgsphere module
- gavo.utils.plainxml module
- gavo.utils.serializers module
- gavo.utils.stanxml module
- gavo.utils.texttricks module
NameMapbytify()datetimeToRFC2616()debytify()defuseFileName()degToDms()degToHms()dmsToDeg()ensureOneSlash()fixIndentation()formatFloat()formatISODT()formatRFC2616Date()formatSimpleTable()formatSize()fracHoursToDeg()getFileStem()getRandomString()getRelativePath()hmsToDeg()hoursToHms()iterSimpleText()makeEllipsis()makeIAUId()makeLeftEllipsis()makeSourceEllipsis()parseAccept()parseAssignments()parseDefaultDate()parseDefaultDatetime()parseDefaultTime()parseISODT()parsePercentExpression()parseRFC2616Date()replaceXMLEntityRefs()resolvePath()roundToSeconds()safe_str()timegm()
- gavo.utils.typeconversions module
- Module contents
- Submodules
- gavo.votable package
- Submodules
- gavo.votable.coding module
- gavo.votable.common module
- gavo.votable.dec_binary module
- gavo.votable.dec_binary2 module
- gavo.votable.dec_tabledata module
- gavo.votable.enc_binary module
- gavo.votable.enc_binary2 module
- gavo.votable.enc_tabledata module
- gavo.votable.model module
- gavo.votable.modelgroups module
- gavo.votable.paramval module
- gavo.votable.simple module
- gavo.votable.tableparser module
- gavo.votable.tablewriter module
- gavo.votable.tapquery module
- gavo.votable.votparse module
- Module contents
- Submodules
- gavo.web package
- Submodules
- gavo.web.adminrender module
- gavo.web.asyncrender module
- gavo.web.caching module
- gavo.web.common module
- gavo.web.constantrender module
- gavo.web.customrender module
- gavo.web.examplesrender module
- gavo.web.formrender module
- gavo.web.grend module
- gavo.web.htmltable module
- gavo.web.ifpages module
- gavo.web.metarender module
- gavo.web.productrender module
- gavo.web.producttar module
- gavo.web.qprenderer module
- gavo.web.root module
- gavo.web.serviceresults module
- gavo.web.soaprender module
- gavo.web.syncrender module
- gavo.web.uploadservice module
- gavo.web.vodal module
- gavo.web.vosi module
- gavo.web.weberrors module
AuthenticatePageBadMethodPageErrorDisplayErrorPageForbiddenPageFoundPageInternalServerErrorPageNotAcceptableNotFoundPageNotFoundPageWithFancyMessageNullPageOtherNotFoundPageRDNotFoundPageRedirectBaseRedirectPageSeeOtherPageSilence()UploadTooLargePagegetDCErrorPage()renderDCErrorPage()
- gavo.web.webtests module
- gavo.web.wsdl module
- Module contents
- Submodules
Submodules¶
- gavo.api module
- gavo.rscdesc module
CachedExceptionPkgResourcePathRDRD.acceptedScriptTypesRD.addDependency()RD.attrSeqRD.cacheableRD.clearProperty()RD.completedCallbacksRD.copy()RD.getAbsPath()RD.getById()RD.getDataDescById()RD.getProperty()RD.getRelResdir()RD.getService()RD.getTableDefById()RD.hasProperty()RD.importModule()RD.invalidate()RD.isDirty()RD.iterDDs()RD.macro_RSTcc0()RD.macro_RSTccby()RD.macro_RSTccbysa()RD.managedAttrsRD.name_RD.onElementComplete()RD.openRes()RD.setProperty()RD.updateMetaInDB()RD.validate()
RDParseContextResdirAttributecanonicalizeRDId()getRD()getRDInputStream()refuseBlacklisted()setRDDateTimes()
Module contents¶
DaCHS code; most of this is support code for running a data center within the Virtual Observatory (VO), but some packages are interesting for VO clients as well.