Exemplo n.º 1
0
 def createContext(self, entityIdentScheme, entityIdentValue, periodType, periodStart, periodEndInstant, priItem, dims, segOCCs, scenOCCs,
                   afterSibling=None, beforeSibling=None):
     xbrlElt = self.modelDocument.xmlRootElement
     if afterSibling == AUTO_LOCATE_ELEMENT:
         afterSibling = XmlUtil.lastChild(xbrlElt, XbrlConst.xbrli, ("schemaLocation", "roleType", "arcroleType", "context"))
     cntxId = 'c-{0:02n}'.format( len(self.contexts) + 1)
     newCntxElt = XmlUtil.addChild(xbrlElt, XbrlConst.xbrli, "context", attributes=("id", cntxId),
                                   afterSibling=afterSibling, beforeSibling=beforeSibling)
     entityElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "entity")
     XmlUtil.addChild(entityElt, XbrlConst.xbrli, "identifier",
                         attributes=("scheme", entityIdentScheme),
                         text=entityIdentValue)
     periodElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "period")
     if periodType == "forever":
         XmlUtil.addChild(periodElt, XbrlConst.xbrli, "forever")
     elif periodType == "instant":
         XmlUtil.addChild(periodElt, XbrlConst.xbrli, "instant", 
                          text=XmlUtil.dateunionValue(periodEndInstant, subtractOneDay=True))
     elif periodType == "duration":
         XmlUtil.addChild(periodElt, XbrlConst.xbrli, "startDate", 
                          text=XmlUtil.dateunionValue(periodStart))
         XmlUtil.addChild(periodElt, XbrlConst.xbrli, "endDate", 
                          text=XmlUtil.dateunionValue(periodEndInstant, subtractOneDay=True))
     segmentElt = None
     scenarioElt = None
     from arelle.ModelInstanceObject import ModelDimensionValue
     if dims: # requires primary item to determin ambiguous concepts
         ''' in theory we have to check full set of dimensions for validity in source or any other
             context element, but for shortcut will see if each dimension is already reported in an
             unambiguous valid contextElement
         '''
         from arelle.PrototypeInstanceObject import FactPrototype, ContextPrototype, DimValuePrototype
         fp = FactPrototype(self, priItem, dims.items())
         # force trying a valid prototype's context Elements
         if not isFactDimensionallyValid(self, fp, setPrototypeContextElements=True):
             self.info("arelleLinfo",
                 _("Create context for %(priItem)s, cannot determine valid context elements, no suitable hypercubes"), 
                 modelObject=self, priItem=priItem)
         fpDims = fp.context.qnameDims
         for dimQname in sorted(fpDims.keys()):
             dimValue = fpDims[dimQname]
             if isinstance(dimValue, DimValuePrototype):
                 dimMemberQname = dimValue.memberQname  # None if typed dimension
                 contextEltName = dimValue.contextElement
             else: # qname for explicit or node for typed
                 dimMemberQname = None
                 contextEltName = None
             if contextEltName == "segment":
                 if segmentElt is None: 
                     segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli, "segment")
                 contextElt = segmentElt
             elif contextEltName == "scenario":
                 if scenarioElt is None: 
                     scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "scenario")
                 contextElt = scenarioElt
             else:
                 self.info("arelleLinfo",
                     _("Create context, %(dimension)s, cannot determine context element, either no all relationship or validation issue"), 
                     modelObject=self, dimension=dimQname),
                 continue
             dimConcept = self.qnameConcepts[dimQname]
             dimAttr = ("dimension", XmlUtil.addQnameValue(xbrlElt, dimConcept.qname))
             if dimConcept.isTypedDimension:
                 dimElt = XmlUtil.addChild(contextElt, XbrlConst.xbrldi, "xbrldi:typedMember", 
                                           attributes=dimAttr)
                 if isinstance(dimValue, (ModelDimensionValue, DimValuePrototype)) and dimValue.isTyped:
                     XmlUtil.copyNodes(dimElt, dimValue.typedMember) 
             elif dimMemberQname:
                 dimElt = XmlUtil.addChild(contextElt, XbrlConst.xbrldi, "xbrldi:explicitMember",
                                           attributes=dimAttr,
                                           text=XmlUtil.addQnameValue(xbrlElt, dimMemberQname))
     if segOCCs:
         if segmentElt is None: 
             segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli, "segment")
         XmlUtil.copyNodes(segmentElt, segOCCs)
     if scenOCCs:
         if scenarioElt is None: 
             scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "scenario")
         XmlUtil.copyNodes(scenarioElt, scenOCCs)
             
     self.modelDocument.contextDiscover(newCntxElt)
     XmlValidate.validate(self, newCntxElt)
     return newCntxElt
Exemplo n.º 2
0
def produceOutputFact(xpCtx, formula, result):
    priorErrorCount = len(xpCtx.modelXbrl.errors)

    # assemble context
    conceptQname = aspectValue(xpCtx, formula, Aspect.CONCEPT,
                               "xbrlfe:missingConceptRule")
    if isinstance(conceptQname, VariableBindingError):
        xpCtx.modelXbrl.error(
            _("Formula {0} concept: {1}").format(formula, conceptQname.msg),
            "err", conceptQname.err)
        modelConcept = None
    else:
        modelConcept = xpCtx.modelXbrl.qnameConcepts[conceptQname]
        if modelConcept is None or not modelConcept.isItem:
            xpCtx.modelXbrl.error(
                _("Formula {0} concept {1} is not an item").format(
                    formula, conceptQname), "err", "xbrlfe:missingConceptRule")

    # entity
    entityIdentScheme = aspectValue(xpCtx, formula, Aspect.SCHEME,
                                    "xbrlfe:missingEntityIdentifierRule")
    if isinstance(entityIdentScheme, VariableBindingError):
        xpCtx.modelXbrl.error(
            _("Formula {0} entity identifier scheme: {1}").format(
                formula, entityIdentScheme.msg), "err", str(entityIdentScheme))
        entityIdentValue = None
    else:
        entityIdentValue = aspectValue(xpCtx, formula, Aspect.VALUE,
                                       "xbrlfe:missingEntityIdentifierRule")
        if isinstance(entityIdentValue, VariableBindingError):
            xpCtx.modelXbrl.error(
                _("Formula {0} entity identifier value: {1}").format(
                    formula, entityIdentValue.msg), "err",
                str(entityIdentScheme))

    # period
    periodType = aspectValue(xpCtx, formula, Aspect.PERIOD_TYPE,
                             "xbrlfe:missingPeriodRule")
    periodStart = None
    periodEndInstant = None
    if isinstance(periodType, VariableBindingError):
        xpCtx.modelXbrl.error(
            _("Formula {0} period type: {1}").format(formula, periodType.msg),
            "err", str(periodType))
    elif periodType == "instant":
        periodEndInstant = aspectValue(xpCtx, formula, Aspect.INSTANT,
                                       "xbrlfe:missingPeriodRule")
        if isinstance(periodEndInstant, VariableBindingError):
            xpCtx.modelXbrl.error(
                _("Formula {0} period start: {1}").format(
                    formula, periodEndInstant.msg), "err",
                str(periodEndInstant))
    elif periodType == "duration":
        periodStart = aspectValue(xpCtx, formula, Aspect.START,
                                  "xbrlfe:missingPeriodRule")
        if isinstance(periodStart, VariableBindingError):
            xpCtx.modelXbrl.error(
                _("Formula {0} period start: {1}").format(
                    formula, periodStart.msg), "err", str(periodStart))
        periodEndInstant = aspectValue(xpCtx, formula, Aspect.END,
                                       "xbrlfe:missingPeriodRule")
        if isinstance(periodEndInstant, VariableBindingError):
            xpCtx.modelXbrl.error(
                _("Formula {0} period end: {1}").format(
                    formula, periodEndInstant.msg), "err",
                str(periodEndInstant))

    # unit
    if modelConcept and modelConcept.isNumeric:
        unitSource = aspectValue(xpCtx, formula, Aspect.UNIT_MEASURES, None)
        multDivBy = aspectValue(xpCtx, formula, Aspect.MULTIPLY_BY,
                                "xbrlfe:missingUnitRule")
        if isinstance(multDivBy, VariableBindingError):
            xpCtx.modelXbrl.error(
                _("Formula {0} unit: {1}").format(formula,
                                                  multDivBy.msg), "err",
                str(multDivBy) if isinstance(multDivBy, VariableBindingError)
                else "xbrlfe:missingUnitRule")
            multiplyBy = ()
            divideBy = ()  # prevent errors later if bad
        else:
            divMultBy = aspectValue(xpCtx, formula, Aspect.DIVIDE_BY,
                                    "xbrlfe:missingUnitRule")
            if isinstance(divMultBy, VariableBindingError):
                xpCtx.modelXbrl.error(
                    _("Formula {0} unit: {1}").format(formula,
                                                      divMultBy.msg), "err",
                    str(multDivBy)
                    if isinstance(divMultBy, VariableBindingError) else
                    "xbrlfe:missingUnitRule")
                multiplyBy = ()
                divideBy = ()  # prevent errors later if bad
            else:
                multiplyBy = unitSource[0] + multDivBy[0] + divMultBy[1]
                divideBy = unitSource[1] + multDivBy[1] + divMultBy[0]
                # remove cancelling mult/div units
                lookForCommonUnits = True
                while lookForCommonUnits:
                    lookForCommonUnits = False
                    for commonUnit in multiplyBy:
                        if commonUnit in divideBy:
                            multiplyBy.remove(commonUnit)
                            divideBy.remove(commonUnit)
                            lookForCommonUnits = True
                            break
                if len(multiplyBy) == 0:  # if no units add pure
                    multiplyBy.append(XbrlConst.qnXbrliPure)

    # dimensions
    segOCCs = []
    scenOCCs = []
    if formula.aspectModel == "dimensional":
        dimAspects = {}
        dimQnames = aspectValue(xpCtx, formula, Aspect.DIMENSIONS, None)
        if dimQnames:
            for dimQname in dimQnames:
                dimConcept = xpCtx.modelXbrl.qnameConcepts[dimQname]
                dimErr = "xbrlfe:missing{0}DimensionRule".format(
                    "typed" if dimConcept and dimConcept.isTypedDimension else
                    "explicit")
                dimValue = aspectValue(xpCtx, formula, dimQname, dimErr)
                if isinstance(dimValue, VariableBindingError):
                    xpCtx.modelXbrl.error(
                        _("Formula {0} dimension {1}: {2}").format(
                            formula, dimQname, dimValue.msg), "err", dimErr)
                elif dimValue and xpCtx.modelXbrl.qnameDimensionDefaults.get(
                        dimQname) != dimValue:
                    dimAspects[dimQname] = dimValue
        segOCCs = aspectValue(xpCtx, formula, Aspect.NON_XDT_SEGMENT, None)
        scenOCCs = aspectValue(xpCtx, formula, Aspect.NON_XDT_SCENARIO, None)
    else:
        dimAspects = None  # non-dimensional
        segOCCs = aspectValue(xpCtx, formula, Aspect.COMPLETE_SEGMENT, None)
        scenOCCs = aspectValue(xpCtx, formula, Aspect.COMPLETE_SCENARIO, None)

    if priorErrorCount < len(xpCtx.modelXbrl.errors):
        return None  # had errors, don't produce output fact

    # does context exist in out instance document
    outputInstanceQname = formula.outputInstanceQname
    outputXbrlInstance = xpCtx.inScopeVars[outputInstanceQname]
    xbrlElt = outputXbrlInstance.modelDocument.xmlRootElement

    # in source instance document

    # add context
    prevCntx = outputXbrlInstance.matchContext(entityIdentScheme,
                                               entityIdentValue, periodType,
                                               periodStart, periodEndInstant,
                                               dimAspects, segOCCs, scenOCCs)
    if prevCntx:
        cntxId = prevCntx.id
        newCntxElt = prevCntx.element
    else:
        cntxId = 'c-{0:02n}'.format(len(outputXbrlInstance.contexts) + 1)
        newCntxElt = XmlUtil.addChild(
            xbrlElt,
            XbrlConst.xbrli,
            "context",
            attributes=("id", cntxId),
            afterSibling=xpCtx.outputLastContext.get(outputInstanceQname))
        xpCtx.outputLastContext[outputInstanceQname] = newCntxElt
        entityElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "entity")
        XmlUtil.addChild(entityElt,
                         XbrlConst.xbrli,
                         "identifier",
                         attributes=("scheme", entityIdentScheme),
                         text=entityIdentValue)
        periodElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "period")
        if periodType == "forever":
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "forever")
        elif periodType == "instant":
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "instant",
                             text=XmlUtil.dateunionValue(periodEndInstant,
                                                         subtractOneDay=True))
        elif periodType == "duration":
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "startDate",
                             text=XmlUtil.dateunionValue(periodStart))
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "endDate",
                             text=XmlUtil.dateunionValue(periodEndInstant,
                                                         subtractOneDay=True))
        segmentElt = None
        scenarioElt = None
        from arelle.ModelObject import ModelDimensionValue
        if dimAspects:
            for dimQname in sorted(dimAspects.keys()):
                dimValue = dimAspects[dimQname]
                if isinstance(dimValue, ModelDimensionValue):
                    if dimValue.isExplicit:
                        dimMemberQname = dimValue.memberQname
                    contextEltName = dimValue.contextElement
                else:  # qname for explicit or node for typed
                    dimMemberQname = dimValue
                    contextEltName = xpCtx.modelXbrl.qnameDimensionContextElement.get(
                        dimQname)
                if contextEltName == "segment":
                    if not segmentElt:
                        segmentElt = XmlUtil.addChild(entityElt,
                                                      XbrlConst.xbrli,
                                                      "segment")
                    contextElt = segmentElt
                elif contextEltName == "scenario":
                    if not scenarioElt:
                        scenarioElt = XmlUtil.addChild(newCntxElt,
                                                       XbrlConst.xbrli,
                                                       "scenario")
                    contextElt = scenarioElt
                else:
                    continue
                dimConcept = xpCtx.modelXbrl.qnameConcepts[dimQname]
                dimAttr = ("dimension",
                           XmlUtil.addQnameValue(xbrlElt, dimConcept.qname))
                if dimConcept.isTypedDimension:
                    dimElt = XmlUtil.addChild(contextElt,
                                              XbrlConst.xbrldi,
                                              "typedMember",
                                              attributes=dimAttr)
                    if isinstance(dimValue,
                                  ModelDimensionValue) and dimValue.isTyped:
                        XmlUtil.copyChildren(dimElt, dimValue.typedMember)
                elif dimMemberQname:
                    dimElt = XmlUtil.addChild(contextElt,
                                              XbrlConst.xbrldi,
                                              "explicitMember",
                                              attributes=dimAttr,
                                              text=XmlUtil.addQnameValue(
                                                  xbrlElt, dimMemberQname))
        if segOCCs:
            if not segmentElt:
                segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli,
                                              "segment")
            XmlUtil.copyNodes(segmentElt, segOCCs)
        if scenOCCs:
            if not scenarioElt:
                scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli,
                                               "scenario")
            XmlUtil.copyNodes(scenarioElt, scenOCCs)

        outputXbrlInstance.modelDocument.contextDiscover(newCntxElt)

    # does unit exist

    # add unit
    if modelConcept.isNumeric:
        prevUnit = outputXbrlInstance.matchUnit(multiplyBy, divideBy)
        if prevUnit:
            unitId = prevUnit.id
            newUnitElt = prevUnit.element
        else:
            unitId = 'u-{0:02n}'.format(len(outputXbrlInstance.units) + 1)
            newUnitElt = XmlUtil.addChild(
                xbrlElt,
                XbrlConst.xbrli,
                "unit",
                attributes=("id", unitId),
                afterSibling=xpCtx.outputLastUnit.get(outputInstanceQname))
            xpCtx.outputLastUnit[outputInstanceQname] = newUnitElt
            if len(divideBy) == 0:
                for multiply in multiplyBy:
                    XmlUtil.addChild(newUnitElt,
                                     XbrlConst.xbrli,
                                     "measure",
                                     text=XmlUtil.addQnameValue(
                                         xbrlElt, multiply))
            else:
                divElt = XmlUtil.addChild(newUnitElt, XbrlConst.xbrli,
                                          "divide")
                numElt = XmlUtil.addChild(divElt, XbrlConst.xbrli,
                                          "unitNumerator")
                denElt = XmlUtil.addChild(divElt, XbrlConst.xbrli,
                                          "unitDenominator")
                for multiply in multiplyBy:
                    XmlUtil.addChild(numElt,
                                     XbrlConst.xbrli,
                                     "measure",
                                     text=XmlUtil.addQnameValue(
                                         xbrlElt, multiply))
                for divide in divideBy:
                    XmlUtil.addChild(denElt,
                                     XbrlConst.xbrli,
                                     "measure",
                                     text=XmlUtil.addQnameValue(
                                         xbrlElt, divide))
            outputXbrlInstance.modelDocument.unitDiscover(newUnitElt)

    # add fact
    attrs = [("contextRef", cntxId)]
    precision = None
    decimals = None
    if modelConcept.isNumeric:
        attrs.append(("unitRef", unitId))
    value = formula.evaluate(xpCtx)
    valueSeqLen = len(value)
    if valueSeqLen > 1:
        xpCtx.modelXbrl.error(
            _("Formula {0} value is a sequence of length {1}").format(
                formula, valueSeqLen), "err", "xbrlfe:nonSingletonOutputValue")
    else:
        if valueSeqLen == 0:  #xsi:nil if no value
            attrs.append((XbrlConst.qnXsiNil, "true"))
            v = None
        else:
            # add precision/decimals for non-fraction numerics
            if modelConcept.isNumeric and not modelConcept.isFraction:
                if formula.hasDecimals:
                    decimals = formula.evaluateRule(xpCtx, Aspect.DECIMALS)
                    attrs.append(("decimals", decimals))
                else:
                    if formula.hasPrecision:
                        precision = formula.evaluateRule(
                            xpCtx, Aspect.PRECISION)
                    else:
                        precision = 0
                    attrs.append(("precision", precision))

            x = value[0]
            if isinstance(x, float):
                from math import (log10, isnan, isinf, fabs)
                if (isnan(x)
                        or (precision and (isinf(precision) or precision == 0))
                        or (decimals and isinf(decimals))):
                    v = string(xpCtx, x)
                elif decimals is not None:
                    v = "%.*f" % (int(decimals), x)
                elif precision is not None:
                    a = fabs(x)
                    log = log10(a) if a != 0 else 0
                    v = "%.*f" % (int(precision) - int(log) -
                                  (1 if a >= 1 else 0), x)
                else:  # no implicit precision yet
                    v = string(xpCtx, x)
            elif isinstance(x, QName):
                v = XmlUtil.addQnameValue(xbrlElt, x)
            elif isinstance(x, datetime.datetime):
                v = XmlUtil.dateunionValue(x)
            else:
                v = string(xpCtx, x)
        itemElt = XmlUtil.addChild(
            xbrlElt,
            conceptQname,
            attributes=attrs,
            text=v,
            afterSibling=xpCtx.outputLastFact.get(outputInstanceQname))
        xpCtx.outputLastFact[outputInstanceQname] = itemElt
        newFact = outputXbrlInstance.modelDocument.factDiscover(
            itemElt, outputXbrlInstance.facts)
        return newFact
Exemplo n.º 3
0
    def createContext(self,
                      entityIdentScheme,
                      entityIdentValue,
                      periodType,
                      periodStart,
                      periodEndInstant,
                      priItem,
                      dims,
                      segOCCs,
                      scenOCCs,
                      afterSibling=None,
                      beforeSibling=None):
        xbrlElt = self.modelDocument.xmlRootElement
        if afterSibling == AUTO_LOCATE_ELEMENT:
            afterSibling = XmlUtil.lastChild(
                xbrlElt, XbrlConst.xbrli,
                ("schemaLocation", "roleType", "arcroleType", "context"))
        cntxId = 'c-{0:02n}'.format(len(self.contexts) + 1)
        newCntxElt = XmlUtil.addChild(xbrlElt,
                                      XbrlConst.xbrli,
                                      "context",
                                      attributes=("id", cntxId),
                                      afterSibling=afterSibling,
                                      beforeSibling=beforeSibling)
        entityElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "entity")
        XmlUtil.addChild(entityElt,
                         XbrlConst.xbrli,
                         "identifier",
                         attributes=("scheme", entityIdentScheme),
                         text=entityIdentValue)
        periodElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "period")
        if periodType == "forever":
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "forever")
        elif periodType == "instant":
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "instant",
                             text=XmlUtil.dateunionValue(periodEndInstant,
                                                         subtractOneDay=True))
        elif periodType == "duration":
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "startDate",
                             text=XmlUtil.dateunionValue(periodStart))
            XmlUtil.addChild(periodElt,
                             XbrlConst.xbrli,
                             "endDate",
                             text=XmlUtil.dateunionValue(periodEndInstant,
                                                         subtractOneDay=True))
        segmentElt = None
        scenarioElt = None
        from arelle.ModelInstanceObject import ModelDimensionValue
        if dims:  # requires primary item to determin ambiguous concepts
            ''' in theory we have to check full set of dimensions for validity in source or any other
                context element, but for shortcut will see if each dimension is already reported in an
                unambiguous valid contextElement
            '''
            from arelle.PrototypeInstanceObject import FactPrototype, ContextPrototype, DimValuePrototype
            fp = FactPrototype(self, priItem, dims.items())
            # force trying a valid prototype's context Elements
            if not isFactDimensionallyValid(
                    self, fp, setPrototypeContextElements=True):
                self.info(
                    "arelleLinfo",
                    _("Create context for %(priItem)s, cannot determine valid context elements, no suitable hypercubes"
                      ),
                    modelObject=self,
                    priItem=priItem)
            fpDims = fp.context.qnameDims
            for dimQname in sorted(fpDims.keys()):
                dimValue = fpDims[dimQname]
                if isinstance(dimValue, DimValuePrototype):
                    dimMemberQname = dimValue.memberQname  # None if typed dimension
                    contextEltName = dimValue.contextElement
                else:  # qname for explicit or node for typed
                    dimMemberQname = None
                    contextEltName = None
                if contextEltName == "segment":
                    if segmentElt is None:
                        segmentElt = XmlUtil.addChild(entityElt,
                                                      XbrlConst.xbrli,
                                                      "segment")
                    contextElt = segmentElt
                elif contextEltName == "scenario":
                    if scenarioElt is None:
                        scenarioElt = XmlUtil.addChild(newCntxElt,
                                                       XbrlConst.xbrli,
                                                       "scenario")
                    contextElt = scenarioElt
                else:
                    self.info(
                        "arelleLinfo",
                        _("Create context, %(dimension)s, cannot determine context element, either no all relationship or validation issue"
                          ),
                        modelObject=self,
                        dimension=dimQname),
                    continue
                dimConcept = self.qnameConcepts[dimQname]
                dimAttr = ("dimension",
                           XmlUtil.addQnameValue(xbrlElt, dimConcept.qname))
                if dimConcept.isTypedDimension:
                    dimElt = XmlUtil.addChild(contextElt,
                                              XbrlConst.xbrldi,
                                              "xbrldi:typedMember",
                                              attributes=dimAttr)
                    if isinstance(dimValue,
                                  (ModelDimensionValue,
                                   DimValuePrototype)) and dimValue.isTyped:
                        XmlUtil.copyNodes(dimElt, dimValue.typedMember)
                elif dimMemberQname:
                    dimElt = XmlUtil.addChild(contextElt,
                                              XbrlConst.xbrldi,
                                              "xbrldi:explicitMember",
                                              attributes=dimAttr,
                                              text=XmlUtil.addQnameValue(
                                                  xbrlElt, dimMemberQname))
        if segOCCs:
            if segmentElt is None:
                segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli,
                                              "segment")
            XmlUtil.copyNodes(segmentElt, segOCCs)
        if scenOCCs:
            if scenarioElt is None:
                scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli,
                                               "scenario")
            XmlUtil.copyNodes(scenarioElt, scenOCCs)

        self.modelDocument.contextDiscover(newCntxElt)
        XmlValidate.validate(self, newCntxElt)
        return newCntxElt
Exemplo n.º 4
0
def produceOutputFact(xpCtx, formula, result):
    priorErrorCount = len(xpCtx.modelXbrl.errors)
    
    # assemble context
    conceptQname = aspectValue(xpCtx, formula, Aspect.CONCEPT, "xbrlfe:missingConceptRule")
    if isinstance(conceptQname, VariableBindingError):
        xpCtx.modelXbrl.error( _("Formula {0} concept: {1}").format( formula, conceptQname.msg),
                "err", conceptQname.err)
        modelConcept = None
    else:
        modelConcept = xpCtx.modelXbrl.qnameConcepts[conceptQname]
        if modelConcept is None or not modelConcept.isItem:
            xpCtx.modelXbrl.error( _("Formula {0} concept {1} is not an item").format( formula, conceptQname),
                    "err", "xbrlfe:missingConceptRule")
        
    # entity
    entityIdentScheme = aspectValue(xpCtx, formula, Aspect.SCHEME, "xbrlfe:missingEntityIdentifierRule")
    if isinstance(entityIdentScheme, VariableBindingError):
        xpCtx.modelXbrl.error( _("Formula {0} entity identifier scheme: {1}").format( formula, entityIdentScheme.msg ),
                "err", str(entityIdentScheme))
        entityIdentValue = None
    else:
        entityIdentValue = aspectValue(xpCtx, formula, Aspect.VALUE, "xbrlfe:missingEntityIdentifierRule")
        if isinstance(entityIdentValue, VariableBindingError):
            xpCtx.modelXbrl.error( _("Formula {0} entity identifier value: {1}").format( formula, entityIdentValue.msg ),
                    "err", str(entityIdentScheme))
    
    # period
    periodType = aspectValue(xpCtx, formula, Aspect.PERIOD_TYPE, "xbrlfe:missingPeriodRule")
    periodStart = None
    periodEndInstant = None
    if isinstance(periodType, VariableBindingError):
        xpCtx.modelXbrl.error( _("Formula {0} period type: {1}").format( formula, periodType.msg ),
                "err", str(periodType))
    elif periodType == "instant":
        periodEndInstant = aspectValue(xpCtx, formula, Aspect.INSTANT, "xbrlfe:missingPeriodRule")
        if isinstance(periodEndInstant, VariableBindingError):
            xpCtx.modelXbrl.error( _("Formula {0} period start: {1}").format( formula, periodEndInstant.msg ),
                    "err", str(periodEndInstant))
    elif periodType == "duration":
        periodStart = aspectValue(xpCtx, formula, Aspect.START, "xbrlfe:missingPeriodRule")
        if isinstance(periodStart, VariableBindingError):
            xpCtx.modelXbrl.error( _("Formula {0} period start: {1}").format( formula, periodStart.msg ),
                    "err", str(periodStart))
        periodEndInstant = aspectValue(xpCtx, formula, Aspect.END, "xbrlfe:missingPeriodRule")
        if isinstance(periodEndInstant, VariableBindingError):
            xpCtx.modelXbrl.error( _("Formula {0} period end: {1}").format( formula, periodEndInstant.msg ),
                    "err", str(periodEndInstant))
        
    # unit
    if modelConcept and modelConcept.isNumeric:
        unitSource = aspectValue(xpCtx, formula, Aspect.UNIT_MEASURES, None)
        multDivBy = aspectValue(xpCtx, formula, Aspect.MULTIPLY_BY, "xbrlfe:missingUnitRule")
        if isinstance(multDivBy, VariableBindingError):
            xpCtx.modelXbrl.error( _("Formula {0} unit: {1}").format( formula, multDivBy.msg ),
                    "err", str(multDivBy) if isinstance(multDivBy, VariableBindingError) else "xbrlfe:missingUnitRule")
            multiplyBy = (); divideBy = () # prevent errors later if bad
        else:
            divMultBy = aspectValue(xpCtx, formula, Aspect.DIVIDE_BY, "xbrlfe:missingUnitRule")
            if isinstance(divMultBy, VariableBindingError):
                xpCtx.modelXbrl.error( _("Formula {0} unit: {1}").format( formula, divMultBy.msg ),
                        "err", str(multDivBy) if isinstance(divMultBy, VariableBindingError) else "xbrlfe:missingUnitRule")
                multiplyBy = (); divideBy = () # prevent errors later if bad
            else:
                multiplyBy = unitSource[0] + multDivBy[0] + divMultBy[1]
                divideBy = unitSource[1] + multDivBy[1] + divMultBy[0]
                # remove cancelling mult/div units
                lookForCommonUnits = True
                while lookForCommonUnits:
                    lookForCommonUnits = False
                    for commonUnit in multiplyBy:
                        if commonUnit in divideBy:
                            multiplyBy.remove(commonUnit)
                            divideBy.remove(commonUnit)
                            lookForCommonUnits = True
                            break
                if len(multiplyBy) == 0: # if no units add pure
                    multiplyBy.append(XbrlConst.qnXbrliPure)
                        
    
    # dimensions
    segOCCs = []
    scenOCCs = []
    if formula.aspectModel == "dimensional":
        dimAspects = {}
        dimQnames = aspectValue(xpCtx, formula, Aspect.DIMENSIONS, None)
        if dimQnames:
            for dimQname in dimQnames:
                dimConcept = xpCtx.modelXbrl.qnameConcepts[dimQname]
                dimErr = "xbrlfe:missing{0}DimensionRule".format("typed" if dimConcept and dimConcept.isTypedDimension else "explicit")
                dimValue = aspectValue(xpCtx, formula, dimQname, dimErr)
                if isinstance(dimValue, VariableBindingError):
                    xpCtx.modelXbrl.error( _("Formula {0} dimension {1}: {2}").format( formula, dimQname, dimValue.msg ),
                            "err", dimErr)
                elif dimValue and xpCtx.modelXbrl.qnameDimensionDefaults.get(dimQname) != dimValue:
                    dimAspects[dimQname] = dimValue
        segOCCs = aspectValue(xpCtx, formula, Aspect.NON_XDT_SEGMENT, None)
        scenOCCs = aspectValue(xpCtx, formula, Aspect.NON_XDT_SCENARIO, None)
    else:
        dimAspects = None   # non-dimensional
        segOCCs = aspectValue(xpCtx, formula, Aspect.COMPLETE_SEGMENT, None)
        scenOCCs = aspectValue(xpCtx, formula, Aspect.COMPLETE_SCENARIO, None)
                    
    if priorErrorCount < len(xpCtx.modelXbrl.errors):
        return None # had errors, don't produce output fact
    
    # does context exist in out instance document
    outputInstanceQname = formula.outputInstanceQname
    outputXbrlInstance = xpCtx.inScopeVars[outputInstanceQname]
    xbrlElt = outputXbrlInstance.modelDocument.xmlRootElement
    
    # in source instance document
    
    # add context
    prevCntx = outputXbrlInstance.matchContext(
         entityIdentScheme, entityIdentValue, periodType, periodStart, periodEndInstant, 
         dimAspects, segOCCs, scenOCCs)
    if prevCntx:
        cntxId = prevCntx.id
        newCntxElt = prevCntx.element
    else:
        cntxId = 'c-{0:02n}'.format( len(outputXbrlInstance.contexts) + 1)
        newCntxElt = XmlUtil.addChild(xbrlElt, XbrlConst.xbrli, "context", attributes=("id", cntxId),
                                      afterSibling=xpCtx.outputLastContext.get(outputInstanceQname))
        xpCtx.outputLastContext[outputInstanceQname] = newCntxElt
        entityElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "entity")
        XmlUtil.addChild(entityElt, XbrlConst.xbrli, "identifier",
                            attributes=("scheme", entityIdentScheme),
                            text=entityIdentValue)
        periodElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "period")
        if periodType == "forever":
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "forever")
        elif periodType == "instant":
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "instant", 
                             text=XmlUtil.dateunionValue(periodEndInstant, subtractOneDay=True))
        elif periodType == "duration":
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "startDate", 
                             text=XmlUtil.dateunionValue(periodStart))
            XmlUtil.addChild(periodElt, XbrlConst.xbrli, "endDate", 
                             text=XmlUtil.dateunionValue(periodEndInstant, subtractOneDay=True))
        segmentElt = None
        scenarioElt = None
        from arelle.ModelObject import ModelDimensionValue
        if dimAspects:
            for dimQname in sorted(dimAspects.keys()):
                dimValue = dimAspects[dimQname]
                if isinstance(dimValue, ModelDimensionValue):
                    if dimValue.isExplicit: 
                        dimMemberQname = dimValue.memberQname
                    contextEltName = dimValue.contextElement
                else: # qname for explicit or node for typed
                    dimMemberQname = dimValue
                    contextEltName = xpCtx.modelXbrl.qnameDimensionContextElement.get(dimQname)
                if contextEltName == "segment":
                    if not segmentElt: 
                        segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli, "segment")
                    contextElt = segmentElt
                elif contextEltName == "scenario":
                    if not scenarioElt: 
                        scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "scenario")
                    contextElt = scenarioElt
                else:
                    continue
                dimConcept = xpCtx.modelXbrl.qnameConcepts[dimQname]
                dimAttr = ("dimension", XmlUtil.addQnameValue(xbrlElt, dimConcept.qname))
                if dimConcept.isTypedDimension:
                    dimElt = XmlUtil.addChild(contextElt, XbrlConst.xbrldi, "typedMember", 
                                              attributes=dimAttr)
                    if isinstance(dimValue, ModelDimensionValue) and dimValue.isTyped:
                        XmlUtil.copyChildren(dimElt, dimValue.typedMember)
                elif dimMemberQname:
                    dimElt = XmlUtil.addChild(contextElt, XbrlConst.xbrldi, "explicitMember",
                                              attributes=dimAttr,
                                              text=XmlUtil.addQnameValue(xbrlElt, dimMemberQname))
        if segOCCs:
            if not segmentElt: 
                segmentElt = XmlUtil.addChild(entityElt, XbrlConst.xbrli, "segment")
            XmlUtil.copyNodes(segmentElt, segOCCs)
        if scenOCCs:
            if not scenarioElt: 
                scenarioElt = XmlUtil.addChild(newCntxElt, XbrlConst.xbrli, "scenario")
            XmlUtil.copyNodes(scenarioElt, scenOCCs)
                
        outputXbrlInstance.modelDocument.contextDiscover(newCntxElt)
    
    # does unit exist
    
    # add unit
    if modelConcept.isNumeric:
        prevUnit = outputXbrlInstance.matchUnit(multiplyBy, divideBy)
        if prevUnit:
            unitId = prevUnit.id
            newUnitElt = prevUnit.element
        else:
            unitId = 'u-{0:02n}'.format( len(outputXbrlInstance.units) + 1)
            newUnitElt = XmlUtil.addChild(xbrlElt, XbrlConst.xbrli, "unit", attributes=("id", unitId),
                                          afterSibling=xpCtx.outputLastUnit.get(outputInstanceQname))
            xpCtx.outputLastUnit[outputInstanceQname] = newUnitElt
            if len(divideBy) == 0:
                for multiply in multiplyBy:
                    XmlUtil.addChild(newUnitElt, XbrlConst.xbrli, "measure", text=XmlUtil.addQnameValue(xbrlElt, multiply))
            else:
                divElt = XmlUtil.addChild(newUnitElt, XbrlConst.xbrli, "divide")
                numElt = XmlUtil.addChild(divElt, XbrlConst.xbrli, "unitNumerator")
                denElt = XmlUtil.addChild(divElt, XbrlConst.xbrli, "unitDenominator")
                for multiply in multiplyBy:
                    XmlUtil.addChild(numElt, XbrlConst.xbrli, "measure", text=XmlUtil.addQnameValue(xbrlElt, multiply))
                for divide in divideBy:
                    XmlUtil.addChild(denElt, XbrlConst.xbrli, "measure", text=XmlUtil.addQnameValue(xbrlElt, divide))
            outputXbrlInstance.modelDocument.unitDiscover(newUnitElt)
    
    # add fact
    attrs = [("contextRef", cntxId)]
    precision = None
    decimals = None
    if modelConcept.isNumeric:
        attrs.append(("unitRef", unitId))
    value = formula.evaluate(xpCtx)
    valueSeqLen = len(value)
    if valueSeqLen > 1:
        xpCtx.modelXbrl.error( _("Formula {0} value is a sequence of length {1}").format( formula, valueSeqLen ),
                "err", "xbrlfe:nonSingletonOutputValue")
    else: 
        if valueSeqLen == 0: #xsi:nil if no value
            attrs.append((XbrlConst.qnXsiNil, "true"))
            v = None
        else:
            # add precision/decimals for non-fraction numerics
            if modelConcept.isNumeric and not modelConcept.isFraction:
                if formula.hasDecimals:
                    decimals = formula.evaluateRule(xpCtx, Aspect.DECIMALS)
                    attrs.append(("decimals", decimals))
                else:
                    if formula.hasPrecision:
                        precision = formula.evaluateRule(xpCtx, Aspect.PRECISION)
                    else:
                        precision = 0
                    attrs.append(("precision", precision))
                    
            x = value[0]
            if isinstance(x,float):
                from math import (log10, isnan, isinf, fabs)
                if (isnan(x) or
                    (precision and (isinf(precision) or precision == 0)) or 
                    (decimals and isinf(decimals))):
                    v = string(xpCtx, x)
                elif decimals is not None:
                    v = "%.*f" % ( int(decimals), x)
                elif precision is not None:
                    a = fabs(x)
                    log = log10(a) if a != 0 else 0
                    v = "%.*f" % ( int(precision) - int(log) - (1 if a >= 1 else 0), x)
                else: # no implicit precision yet
                    v = string(xpCtx, x)
            elif isinstance(x,QName):
                v = XmlUtil.addQnameValue(xbrlElt, x)
            elif isinstance(x,datetime.datetime):
                v = XmlUtil.dateunionValue(x)
            else:
                v = string(xpCtx, x)
        itemElt = XmlUtil.addChild(xbrlElt, conceptQname,
                                   attributes=attrs, text=v,
                                   afterSibling=xpCtx.outputLastFact.get(outputInstanceQname))
        xpCtx.outputLastFact[outputInstanceQname] = itemElt
        newFact = outputXbrlInstance.modelDocument.factDiscover(itemElt, outputXbrlInstance.facts)
        return newFact