I have now tested this with version 1.1.0svn from the trunk of the dev
repository. I believe this version contains Michael Droettboo's patch for
pyCXX. (
https://sourceforge.net/tracker/index.php?func=detail&aid=3115633&group_id=3180&atid=103180)
Unfortunately the leak is still evident in the small script I've attached.
Again, please note that this script has no axes, plots, or drawn components,
only an empty canvas that is being redrawn and causes the memory growth.
Any ideas how to resolve this or further debug this?
Thanks for your help,
Oren
On Mon, Apr 11, 2011 at 6:37 PM, Oren Gampel <o...@futuretech.co.il> wrote:
> I'm having a memory leakage using matplotlib 1.0.1 with wx 2.8.11.0, on
> windows XP.
>
> To reproduce, I used the sample from here:
> http://matplotlib.sourceforge.net/examples/animation/dynamic_image_wxagg2.htmland
> deleted most of the significant lines (see below). I only create a
> canvas but I don't create any axes, nor plot any data.
> The only thing I do is draw() on a timer event. This makes my process grow
> about 6Mbyte per minute.
>
> Is this reproduced in other environments? Any ideas on how to resolve this?
>
> Thanks,
> Oren
>
>
> """
> Copyright (C) 2003-2005 Jeremy O'Donoghue and others
>
> License: This work is licensed under the PSF. A copy should be included
> with this source code, and is also available at
> http://www.python.org/psf/license.html
>
> """
> import sys, time, os, gc
>
> import matplotlib
> matplotlib.use('WXAgg')
>
> from matplotlib import rcParams
> import numpy as npy
>
> import matplotlib.cm as cm
>
> from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg
> from matplotlib.backends.backend_wx import NavigationToolbar2Wx
>
> from matplotlib.figure import Figure
> from wx import *
>
>
> TIMER_ID = NewId()
>
> class PlotFigure(Frame):
>
> def __init__(self):
> Frame.__init__(self, None, -1, "Test embedded wxFigure")
>
> self.fig = Figure((1,1), 50, facecolor='.95')
> self.canvas = FigureCanvasWxAgg(self, -1, self.fig)
> # Now put all into a sizer
> sizer = wx.BoxSizer(wx.VERTICAL)
> # This way of adding to sizer allows resizing
> sizer.Add(self.canvas, 1, wx.LEFT|wx.TOP|wx.GROW)
> self.SetSizer(sizer)
> self.Fit()
>
> self._price_ax = self.fig.add_subplot(111)
>
>
> wx.EVT_TIMER(self, TIMER_ID, self.onTimer)
> self.t = wx.Timer(self, TIMER_ID)
> self.t.Start(1000)
>
> def onTimer(self, evt):
> self.canvas.draw()
>
>
> if __name__ == '__main__':
> app = PySimpleApp()
> frame = PlotFigure()
> # Initialise the timer - wxPython requires this to be connected to
> # the receiving event handler
> t = Timer(frame, TIMER_ID)
> t.Start(100)
>
> frame.Show()
> app.MainLoop()
>
>
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