示例#1
0
 def checkUndirectedEdges(genome, trackName, allowOverlaps):
     collector = PreProcMetaDataCollector(genome, trackName)
     if not (collector.getTrackFormat().isLinked() and collector.hasUndirectedEdges()):
         return
     
     complementEdgeWeightDict = {}
     
     for chr in collector.getPreProcessedChrs(allowOverlaps):
         trackSource = TrackSource()
         trackData = trackSource.getTrackData(trackName, genome, chr, allowOverlaps)
         
         ids = trackData['id']
         edges = trackData['edges']
         weights = trackData.get('weights')
         
         for i, id in enumerate(ids):
             edgesAttr = edges[i][edges[i] != '']
             weightsAttr = weights[i][edges[i] != ''] if weights is not None else None
             PreProcessUtils._adjustComplementaryEdgeWeightDict(complementEdgeWeightDict, id, edgesAttr, weightsAttr)
     
     if len(complementEdgeWeightDict) != 0:
             unmatchedPairs = []
             for toId in complementEdgeWeightDict:
                 for fromId in complementEdgeWeightDict[toId]:
                     unmatchedPairs.append((fromId, toId, complementEdgeWeightDict[toId][fromId]))
             raise InvalidFormatError("Error: All edges are not undirected. The following edges specifications " +\
                                      "are not matched by an opposite edge with equal weight:" + os.linesep +\
                                      os.linesep.join(["from '%s' to '%s'" % (fromId, toId) + \
                                                       (" with weight '%s'" % weight  if weight != '' else '') \
                                                       for fromId, toId, weight in unmatchedPairs]))
    def checkIfEdgeIdsExist(genome, trackName, allowOverlaps):
        collector = PreProcMetaDataCollector(genome, trackName)
        if not collector.getTrackFormat().isLinked():
            return

        uniqueIds = numpy.array([], dtype='S')
        uniqueEdgeIds = numpy.array([], dtype='S')

        for chr in collector.getPreProcessedChrs(allowOverlaps):
            trackSource = TrackSource()
            trackData = trackSource.getTrackData(trackName, genome, chr,
                                                 allowOverlaps)
            uniqueIds = numpy.unique(
                numpy.concatenate((uniqueIds, trackData['id'][:])))
            uniqueEdgeIds = numpy.unique(
                numpy.concatenate(
                    (uniqueEdgeIds, trackData['edges'][:].flatten())))

        uniqueIds = uniqueIds[uniqueIds != '']
        uniqueEdgeIds = uniqueEdgeIds[uniqueEdgeIds != '']

        unmatchedIds = set(uniqueEdgeIds) - set(uniqueIds)
        if len(unmatchedIds) > 0:
            raise InvalidFormatError(
                "Error: the following ids specified in the 'edges' column do not exist in the dataset: "
                + ', '.join(sorted(unmatchedIds)))
    def merge(genome, trackName, allowOverlaps):
        path = createDirPath(trackName, genome, allowOverlaps=allowOverlaps)

        collector = PreProcMetaDataCollector(genome, trackName)
        chrList = collector.getPreProcessedChrs(allowOverlaps)
        if not collector.getTrackFormat().reprIsDense():
            chrList = sorted(chrList)

        existingChrList = [
            chr
            for chr in ChrMemmapFolderMerger._existingChrIter(path, chrList)
        ]
        if len(existingChrList) == 0:
            raise EmptyGESourceError(
                'No data lines has been read from source file (probably because it is empty).'
            )

        firstChrTrackData = TrackSource().getTrackData(trackName,
                                                       genome,
                                                       existingChrList[0],
                                                       allowOverlaps,
                                                       forceChrFolders=True)
        arrayList = firstChrTrackData.keys()
        for arrayName in arrayList:
            mergedArray = firstChrTrackData[arrayName][:]
            elementDim, dtypeDim = parseMemmapFileFn(
                firstChrTrackData[arrayName].filename)[1:3]
            del firstChrTrackData[arrayName]

            for chr in existingChrList[1:]:
                chrTrackData = TrackSource().getTrackData(trackName,
                                                          genome,
                                                          chr,
                                                          allowOverlaps,
                                                          forceChrFolders=True)

                mergedArray = ChrMemmapFolderMerger.mergeArrays(
                    mergedArray, np.array(chrTrackData[arrayName][:]))
                elementDimNew, dtypeDimNew = parseMemmapFileFn(
                    chrTrackData[arrayName].filename)[1:3]
                elementDim = max(elementDim, elementDimNew)
                dtypeDim = max(dtypeDim, dtypeDimNew)

                del chrTrackData[arrayName]

            mergedFn = createMemmapFileFn(path, arrayName, elementDim,
                                          dtypeDim, str(mergedArray.dtype))

            f = np.memmap(mergedFn,
                          dtype=mergedArray.dtype,
                          mode='w+',
                          shape=mergedArray.shape)
            f[:] = mergedArray
            f.flush()
            del f
            del mergedArray
示例#4
0
 def createBoundingRegionShelve(genome, trackName, allowOverlaps):
     collector = PreProcMetaDataCollector(genome, trackName)
     boundingRegionTuples = collector.getBoundingRegionTuples(allowOverlaps)
     if not collector.getTrackFormat().reprIsDense():
         boundingRegionTuples = sorted(boundingRegionTuples)
     
     geChrList = collector.getPreProcessedChrs(allowOverlaps)
     brShelve = BoundingRegionShelve(genome, trackName, allowOverlaps)
     brShelve.storeBoundingRegions(boundingRegionTuples, geChrList, not collector.getTrackFormat().reprIsDense())
     
     #Sanity check
     if brShelve.getTotalElementCount() != collector.getNumElements(allowOverlaps):
         raise ShouldNotOccurError("Error: The total element count for all bounding regions is not equal to the total number of genome elements. %s != %s" % \
                                   (brShelve.getTotalElementCount(), collector.getNumElements(allowOverlaps)) )