def restore_state(self, state, parent):
"""Restore a previous stored state"""
self.parent = parent
self._x = RingBuffer.restore_state(state['x'])
self._y = RingBuffer.restore_state(state['y'])
self._l = RingBuffer.restore_state(state['l'])
self._title = state['title']
self._maxlen = state['maxlen']
self.recordhistory = state['recordhistory']
self.restored = True
def restore_state(self, state, parent):
"""Restore a previous stored state"""
self.parent = parent
self._x = RingBuffer.restore_state(state['x'])
self._y = RingBuffer.restore_state(state['y'])
self._l = RingBuffer.restore_state(state['l'])
self._title = state['title']
self._maxlen = state['maxlen']
self.recordhistory = state['recordhistory']
self.restored = True
def sum_over(self, y, x, l):
if self._y is None:
self._y = RingBuffer(1)
self._x = RingBuffer(1)
self._l = RingBufferStr(1)
self._x.append(x)
self._y.append(y.astype('f8'))
self._l.append(l)
self._num = 1.
self._y._data[0] = y
else:
self._num += 1.
self._y._data[0] = self._y._data[0] * (self._num-1)/self._num + y/self._num
def append(self, y, x, l):
"""Append the new data to the ringbuffers"""
if(self._y is None):
if(isinstance(y, numpy.ndarray)):
# Make sure the image ringbuffers don't take more than
# 200 MBs. The factor of 2 takes into account the fact
# that the buffer is twice as big as its usable size
self._maxlen = max(1, min(self._maxlen, 1024*1024*200/(2*y.nbytes)))
self._y = RingBuffer(self._maxlen)
if(self._x is None):
self._x = RingBuffer(self._maxlen)
if(self._l is None):
self._l = RingBufferStr(self._maxlen)
self._y.append(y)
self._x.append(x)
self._l.append(l)
def append(self, y, x, l):
"""Append the new data to the ringbuffers"""
if(self._y is None):
if(isinstance(y, numpy.ndarray)):
# Make sure the image ringbuffers don't take more than
# 200 MBs. The factor of 2 takes into account the fact
# that the buffer is twice as big as its usable size
self._maxlen = max(1, min(self._maxlen, 1024*1024*200/(2*y.nbytes)))
self._y = RingBuffer(self._maxlen)
if(self._x is None):
self._x = RingBuffer(self._maxlen)
if(self._l is None):
self._l = RingBufferStr(self._maxlen)
self._y.append(y)
self._x.append(x)
self._l.append(l)
class PlotData(object):
"""Stores the data associated with a given broadcast"""
def __init__(self, parent, title, maxlen=1000, group=None):
self._title = title
self._group = group
self._y = None # pylint: disable=invalid-name
self._x = None # pylint: disable=invalid-name
self._l = None # pylint: disable=invalid-name
self._parent = parent
self._maxlen = maxlen
self.restored = False
self.ishistory = (title[:7] == 'History')
self.recordhistory = False
if title in parent.conf:
if ('history_length' in parent.conf[title]):
self._maxlen = parent.conf[title]['history_length']
def append(self, y, x, l):
"""Append the new data to the ringbuffers"""
if (self._y is None):
if (isinstance(y, numpy.ndarray)):
# Make sure the image ringbuffers don't take more than
# 200 MBs. The factor of 2 takes into account the fact
# that the buffer is twice as big as its usable size
self._maxlen = max(
1, min(self._maxlen, 1024 * 1024 * 200 / (2 * y.nbytes)))
self._y = RingBuffer(self._maxlen)
if (self._x is None):
self._x = RingBuffer(self._maxlen)
if (self._l is None):
self._l = RingBufferStr(self._maxlen)
self._y.append(y)
self._x.append(x)
self._l.append(l)
def resize(self, new_maxlen):
"""Change the capacity of the buffers"""
if (self._y is not None):
self._y.resize(new_maxlen)
if (self._x is not None):
self._x.resize(new_maxlen)
if (self._l is not None):
self._l.resize(new_maxlen)
self._maxlen = new_maxlen
def clear(self):
"""Clear the buffers"""
if (self._y is not None):
self._y.clear()
if (self._x is not None):
self._x.clear()
if (self._l is not None):
self._l.clear()
@property
def title(self):
"""Returns the plot data title"""
return self._title
@property
def group(self):
"""Returns the plot group"""
return self._group
@property
def y(self):
"""Gives access to the y buffer"""
return self._y
@property
def x(self):
"""Gives access to the x buffer"""
return self._x
@property
def l(self):
"""Gives access to the l buffer"""
return self._l
@property
def maxlen(self):
"""Gives access to maximum size of the buffers"""
return self._maxlen
def __len__(self):
"""Returns the number of elements in the buffers"""
if (self._y is not None):
return len(self._y)
else:
return 0
@property
def nbytes(self):
"""Returns the number of bytes taken by the three buffers"""
if (self._y is not None):
return self._y.nbytes + self._x.nbytes + self._y.nbytes
return 0
def save_state(self):
"""Return a serialized representation of the PlotData for saving to disk"""
pds = {}
pds['data_source'] = [
self._parent.hostname, self._parent.port, self._parent.ssh_tunnel
]
pds['x'] = self.x.save_state()
pds['y'] = self.y.save_state()
pds['l'] = self.l.save_state()
pds['title'] = self.title
pds['group'] = self.group
pds['maxlen'] = self.maxlen
pds['recordhistory'] = self.recordhistory
return pds
def restore_state(self, state, parent):
"""Restore a previous stored state"""
self.parent = parent
self._x = RingBuffer.restore_state(state['x'])
self._y = RingBuffer.restore_state(state['y'])
self._l = RingBuffer.restore_state(state['l'])
self._title = state['title']
self._maxlen = state['maxlen']
self.recordhistory = state['recordhistory']
self.restored = True
class PlotData(object):
"""Stores the data associated with a given broadcast"""
def __init__(self, parent, title, maxlen=1000, group=None):
self._title = title
self._group = group
self._y = None # pylint: disable=invalid-name
self._x = None # pylint: disable=invalid-name
self._l = None # pylint: disable=invalid-name
self._parent = parent
self._maxlen = maxlen
self.restored = False
self.ishistory = (title[:7] == 'History')
self.recordhistory = False
if title in parent.conf:
if('history_length' in parent.conf[title]):
self._maxlen = parent.conf[title]['history_length']
def append(self, y, x, l):
"""Append the new data to the ringbuffers"""
if(self._y is None):
if(isinstance(y, numpy.ndarray)):
# Make sure the image ringbuffers don't take more than
# 200 MBs. The factor of 2 takes into account the fact
# that the buffer is twice as big as its usable size
self._maxlen = max(1, min(self._maxlen, 1024*1024*200/(2*y.nbytes)))
self._y = RingBuffer(self._maxlen)
if(self._x is None):
self._x = RingBuffer(self._maxlen)
if(self._l is None):
self._l = RingBufferStr(self._maxlen)
self._y.append(y)
self._x.append(x)
self._l.append(l)
def resize(self, new_maxlen):
"""Change the capacity of the buffers"""
if(self._y is not None):
self._y.resize(new_maxlen)
if(self._x is not None):
self._x.resize(new_maxlen)
if(self._l is not None):
self._l.resize(new_maxlen)
self._maxlen = new_maxlen
def clear(self):
"""Clear the buffers"""
if(self._y is not None):
self._y.clear()
if(self._x is not None):
self._x.clear()
if(self._l is not None):
self._l.clear()
@property
def title(self):
"""Returns the plot data title"""
return self._title
@property
def group(self):
"""Returns the plot group"""
return self._group
@property
def y(self):
"""Gives access to the y buffer"""
return self._y
@property
def x(self):
"""Gives access to the x buffer"""
return self._x
@property
def l(self):
"""Gives access to the l buffer"""
return self._l
@property
def maxlen(self):
"""Gives access to maximum size of the buffers"""
return self._maxlen
def __len__(self):
"""Returns the number of elements in the buffers"""
if(self._y is not None):
return len(self._y)
else:
return 0
@property
def nbytes(self):
"""Returns the number of bytes taken by the three buffers"""
if(self._y is not None):
return self._y.nbytes + self._x.nbytes + self._y.nbytes
return 0
def save_state(self):
"""Return a serialized representation of the PlotData for saving to disk"""
pds = {}
pds['data_source'] = [self._parent.hostname, self._parent.port, self._parent.ssh_tunnel]
pds['x'] = self.x.save_state()
pds['y'] = self.y.save_state()
pds['l'] = self.l.save_state()
pds['title'] = self.title
pds['group'] = self.group
pds['maxlen'] = self.maxlen
pds['recordhistory'] = self.recordhistory
return pds
def restore_state(self, state, parent):
"""Restore a previous stored state"""
self.parent = parent
self._x = RingBuffer.restore_state(state['x'])
self._y = RingBuffer.restore_state(state['y'])
self._l = RingBuffer.restore_state(state['l'])
self._title = state['title']
self._maxlen = state['maxlen']
self.recordhistory = state['recordhistory']
self.restored = True
