示例#1
0
 def getRange(self, start, cnt):
     '''
     Get the elements from start to start+cnt (include start but not start+cnt)
     '''
     co = self.rootCollection.getRange(0, None)
     #Can res = co work? Or res.extend(co)?
     #print co
     res = []
     for i in co:
         if i in self.filterList:
             continue
         res.append(i)
     #Find all element
     for i in co:
         if i in self.filterList:
             continue
         childCo = collectionManager.getCollection(i, self.dbInst)
         childCoContainer = collectionContainer(childCo, self.dbInst)
         partRes = childCoContainer.getRange(0, None)
         res.extend(partRes)
         #print "adding:",partRes,i
         if not (cnt is None):
             if len(res) >= start+cnt:
                 #3 element, start=2 cnt=1, OK
                 #3 element, start=3 cnt=1, not OK
                 break
         
     #Found all required element, return
     #print "start:",start
     #print "cnt:",cnt
     #print len(res)
     if cnt is None:
         return res[start:]
     return res[start:start+cnt]
def packageCollection(collectionId, dbSysInst, dictElem, folderOnly=False):
    """
    collectionId would be cache system ID or ufsFs url/local path, it would not be cache collectionId
    """
    co = manager.getCollection(collectionId, dbSysInst, folderOnly)
    res = []
    coList = co.getRange(0, None)
    # print coList
    for i in coList:
        if not objTools.isUfsUrl(i):
            j = objTools.getUfsUrl(i)
            res.append(j)
        else:
            res.append(i)
    if objTools.isUuid(collectionId):
        """
        file id in cache system: uuid:xxxx-xxxx-xxxx-xxxxx-xxxx
        """
        id = objTools.getUuid(collectionId)
        # It's a UUID
        import localLibs.cache.localFileSystemCache as localFileSystemCache

        try:
            cacheSys = localFileSystemCache.localFileSystemCache(dbSysInst)
            cachedPath = cacheSys.getCached(id)
            targetId = objTools.getUfsUrl(cachedPath)
        except KeyError:
            targetId = id
    elif not objTools.isUfsUrl(collectionId):
        # It is a local path?
        targetId = objTools.getUfsUrl(collectionId)
    else:
        targetId = collectionId
    dictElem[targetId] = res
示例#3
0
def main():
    import localLibs.test.testDbSys as testDbSys
    res = {}
    d = testDbSys.testDbSys()
    co = collectionManager.getCollection('G:/app/wwj/cryptload', d)
    print '\n\n\n'
    h=collectionContainer(co, d).getRange(50, 50)
    print '\n\n\n'
    print h