def segments(self):
pytree = Tree('pytree', self.shot)
signal = pytree.SIG01
signal.record = None
signal.compress_on_put = False
for i in range(2000):
signal.putRow(100, Range(1, 1000).data(), DateToQuad("now"))
pytree.createPulse(self.shot + 2)
signal.compress_segments = True
pytree3 = Tree('pytree', self.shot + 2)
pytree3.compressDatafile()
self.assertEqual((signal.record == pytree3.SIG01.record).all(), True)
signal.deleteData()
# beginning a block set next_row to 0
signal.beginTimestampedSegment(Int32Array([0, 7]))
self.assertEqual(str(signal.record), "Build_Signal([], *, [])")
self.assertEqual(str(signal.getSegment(0)), "Build_Signal([], *, [])")
# beginning adding row increments next_row to 1
signal.putRow(1, Int32Array([1]), -1)
self.assertEqual(str(signal.record), "Build_Signal([1], *, [-1Q])")
self.assertEqual(str(signal.getSegment(0)),
"Build_Signal([1], *, [-1Q])")
# beginning a new block set next_row back to 0 of the new block
# the previous block is assumed to be full as the tailing zero could be valid data
signal.beginTimestampedSegment(Int32Array([0]))
self.assertEqual(str(signal.record),
"Build_Signal([1,7], *, [-1Q,0Q])")
self.assertEqual(str(signal.getSegment(0)),
"Build_Signal([1,7], *, [-1Q,0Q])")
def CompressSegments(self):
from MDSplus import Tree,DateToQuad,ZERO,Int32,Int32Array,Int64Array,Range
with Tree(self.tree,self.shot+9,'NEW') as ptree:
node = ptree.addNode('S')
node.compress_on_put = False
ptree.write()
ptree.cleanDatafile()
ptree.normal()
te = DateToQuad("now")
sampperseg = 50
data = ZERO(Int32Array([sampperseg]),Int32(0))
numsegs = 128
for i in range(numsegs):
t0=te+1;te=t0+sampperseg-1
node.makeSegment(t0,te,Int64Array(range(t0,te+1)),data+Int32(i))
node.compress_segments=True
ptree.createPulse(self.shot+11)
Tree.compressDatafile(self.tree,self.shot+11)
ptree1 = Tree(self.tree,self.shot+11)
node1 = ptree1.S
self.assertEqual(True,(node.record==node1.record).all())
self.assertEqual(True,ptree.getDatafileSize()>ptree1.getDatafileSize())
for i in range(numsegs):
srt,end = node.getSegmentLimits(i)
dim = Range(srt,end)
node.updateSegment(srt,end,dim,i)
if i%16==0:
self.assertEqual(dim.decompile(),node.getSegmentDim(i).decompile())
ptree.compressDatafile()
ptree.readonly()
self.assertEqual(numsegs,node1.getNumSegments())
self.assertEqual(True,ptree.getDatafileSize()<ptree1.getDatafileSize())
for i in range(numsegs):
self.assertEqual(node.getSegmentDim(i).data().tolist(),node1.getSegmentDim(i).data().tolist())
def test():
from MDSplus import Tree, DateToQuad, Range
with Tree('seg_tree', self.shot, 'NEW') as ptree:
ptree.addNode('S').compress_on_put = False
ptree.write()
ptree = Tree(self.tree, self.shot)
node = ptree.S
for i in range(200):
node.putRow(100, Range(1, 100).data(), DateToQuad("now"))
ptree.createPulse(self.shot + 1)
node.compress_segments = True
ptree1 = Tree(self.tree, self.shot + 1)
ptree1.compressDatafile()
self.assertEqual((node.record == ptree1.S.record).all(), True)
def test():
from MDSplus import Tree, DateToQuad, ZERO, Int32, Int32Array, Int64Array, Range
with Tree('seg_tree', self.shot, 'NEW') as ptree:
node = ptree.addNode('S')
node.compress_on_put = False
ptree.write()
ptree.normal()
ptree.compressDatafile()
te = DateToQuad("now")
sampperseg = 50
data = ZERO(Int32Array([sampperseg]), Int32(0))
for i in range(513):
t0 = te + 1
te = t0 + sampperseg - 1
node.makeSegment(t0, te, Int64Array(range(t0, te + 1)),
data + Int32(i))
node.compress_segments = True
ptree.createPulse(self.shot + 1)
Tree.compressDatafile(self.tree, self.shot + 1)
ptree1 = Tree(self.tree, self.shot + 1)
node1 = ptree1.S
self.assertEqual(True, (node.record == node1.record).all())
self.assertEqual(
True,
ptree.getDatafileSize() > ptree1.getDatafileSize())
for i in range(node.getNumSegments()):
str, end = node.getSegmentLimits(i)
node.updateSegment(str, end, Range(str, end), i)
ptree.close()
ptree.compressDatafile()
ptree.readonly()
self.assertEqual(
True,
ptree.getDatafileSize() < ptree1.getDatafileSize())
for i in range(node1.getNumSegments()):
self.assertEqual(
node.getSegmentDim(i).data().tolist(),
node1.getSegmentDim(i).data().tolist())