class Popen4(Popen3):
"""Popen object that joins the stdout and stderr streams into a single
output stream."""
childerr = None
def __init__(self, cmd, bufsize=-1):
Popen3.__init__(self, cmd, 1, bufsize)
self.closed = Vector() # use a vector for synchronization close()
self.fromchild = self._join(self._fromchild, self._childerr, bufsize)
def _join(self, stdout, stderr, bufsize):
"""create a stream that joins two output streams"""
self._pipeOut = PipedOutputStream()
joinedStream = PipedInputStream(self._pipeOut)
self._outReader = _makeReaderThread(stdout, self._pipeOut.write,
bufsize,
"%s-stdout" % self.process,
self._close)
self._errReader = _makeReaderThread(stderr, self._pipeOut.write,
bufsize,
"%s-stderr" % self.process,
self._close)
return PyFile(joinedStream)
def _close(self):
"""Must be closed twice (once for each of the two joined pipes)"""
self.closed.add(None)
if self.closed.size() > 1:
self._pipeOut.close()
def _add_nodes(self, curTop, dir):
"""
Recursive implementation to fill the tree with filenames and directories
:param curTop: current top directory
:param dir: next directory
:return: None
"""
curPath = dir.getPath()
if os.path.isdir(curPath):
nodePath = os.path.basename(curPath)
curDir = DefaultMutableTreeNode(nodePath)
if curTop != None: # should only be null at root
curTop.add(curDir)
ol = Vector()
tmp = dir.list()
for i in xrange(0, len(tmp)):
ol.addElement(tmp[i])
thisObject = None
files = Vector()
# Make two passes, one for Dirs and one for Files. This is #1.
for i in xrange(0, ol.size()):
thisObject = ol.elementAt(i)
if curPath == self._dir:
newPath = thisObject
else:
newPath = os.path.join(curPath, thisObject)
f = File(newPath)
if f.isDirectory():
self._add_nodes(curDir, f)
else:
files.addElement(thisObject)
# Pass two: for files.
Collections.sort(files)
for i in xrange(0, files.size()):
f = files.elementAt(i)
#if f.split('.')[-1] != 'html':
curDir.add(DefaultMutableTreeNode(files.elementAt(i)))
return curDir
class Popen4(Popen3):
"""Popen object that joins the stdout and stderr streams into a single
output stream."""
childerr = None
def __init__(self, cmd, bufsize=-1):
Popen3.__init__( self, cmd, 1, bufsize )
self.closed = Vector() # use a vector for synchronization close()
self.fromchild = self._join(
self._fromchild,
self._childerr,
bufsize
)
def _join( self, stdout, stderr, bufsize ):
"""create a stream that joins two output streams"""
self._pipeOut = PipedOutputStream()
joinedStream = PipedInputStream( self._pipeOut )
self._outReader = _makeReaderThread(
stdout,
self._pipeOut.write,
bufsize,
"%s-stdout" % self.process,
self._close
)
self._errReader = _makeReaderThread(
stderr,
self._pipeOut.write,
bufsize,
"%s-stderr" % self.process,
self._close
)
return FileUtil.wrap(joinedStream)
def _close( self ):
"""Must be closed twice (once for each of the two joined pipes)"""
self.closed.add( None )
if self.closed.size() > 1:
self._pipeOut.close()
class ContDist(object):
def __init__(self, varName):
self.varName = varName
self.v = Vector()
self.pdf = OpdfGaussian()
def addExample(self, d):
value = d[self.varName]
self.v.add(ObservationReal(value))
def finish(self):
if self.v.size() == 0:
self.pdf = OpdfGaussian(0.5, 0.05)
return
try:
self.pdf.fit(self.v)
self.pdf.distribution.variance += 0.05
except:
self.pdf = OpdfGaussian(self.v.get(0).value, 0.05)
def density(self, v):
return self.pdf.probability(ObservationReal(v))
class ContDist(object): def __init__(self, varName): self.varName = varName self.v = Vector() self.pdf = OpdfGaussian() def addExample(self, d): value = d[self.varName] self.v.add(ObservationReal(value)) def finish(self): if self.v.size() == 0: self.pdf = OpdfGaussian(0.5, 0.05) return try: self.pdf.fit(self.v) self.pdf.distribution.variance += 0.05 except: self.pdf = OpdfGaussian(self.v.get(0).value, 0.05) def density(self, v): return self.pdf.probability(ObservationReal(v))
