[visionegg] Re: mu.arange TypeError
- From: Paul <pivanov314@xxxxxxxxx>
- To: visionegg@xxxxxxxxxxxxx
- Date: Mon, 25 May 2009 12:47:42 -0700
After further investigation, I think the error is caused by a custom
Cextension, as I am unable to reproduce this with that
extension disabled.
Paul, on 2009-05-25 11:42, wrote:
> Hi,
>
> I'm getting a strange mu.arange TypeError when running a script, but
> not when I turn on pdb in ipython and try to re-execute the same line that
> throws the error.
>
> As you can see from the stack trace, I'm using VisionEgg-1.1.2
> (though I also had to apply the patch from changest 1533 for
> PyOpenGL3)
>
> [ I've actually also just tried it using SVN head and
> get the same stack trace ]
>
> numpy.__version__ is 1.2.1
>
> /home/pi/code/Dimstim/Bars.pyc in bars(preexpSec, postexpSec, orioff, ori,
> speedDegSec, xposDeg, yposDeg, widthDeg, heightDeg, brightness, antialiase,
> bgbrightness, sweeptimeSec, postsweepSec, varlist, nruns, shuffleRuns,
> blankSweep, shuffleBlankSweeps)
> 187 # Init vars for main loop
> 188 nvsyncsdisplayed = 0 # 1 based, init as 0
> --> 189 vsynctimer = VsyncTimer()
> 190 for var in sweeptable: # init local copies of vars in
> sweeptable to their vals at first sweep in sweeplist
> 191 exec(var + '= sweeptable[\'' + var +
> '\'][sweeplist[0]]') # ie set var = sweeptable[var][sweeplist[0]], e.g.
> ori=sweeptable['ori'][sweeplist[0]]
>
> /usr/local/lib/python2.6/dist-packages/visionegg-1.1.2-py2.6-linux-i686.egg/VisionEgg/Core.py
> in __init__(self, bin_start_msec, bin_stop_msec, bin_width_msec,
> running_average_num_frames, save_all_frametimes)
> 1519 def __init__(self, bin_start_msec=2, bin_stop_msec=28,
> bin_width_msec=2, running_average_num_frames=0,save_all_frametimes=False):
> 1520 """Create instance of FrameTimer."""
> -> 1521 self.bins = Numeric.arange( bin_start_msec, bin_stop_msec,
> bin_width_msec )
> 1522 self.bin_width_msec = float(bin_width_msec)
> 1523 self.timing_histogram = Numeric.zeros( self.bins.shape,
> Numeric.Float ) # make float to avoid (early) overflow errors
>
> /usr/lib/python2.6/dist-packages/numpy/oldnumeric/functions.pyc in
> arange(start, stop, step, typecode, dtype)
> 99 def arange(start, stop=None, step=1, typecode=None, dtype=None):
> 100 dtype = convtypecode2(typecode, dtype)
> --> 101 return mu.arange(start, stop, step, dtype)
> 102
> 103 def fromstring(string, typecode='l', count=-1, dtype=None):
>
> TypeError: function takes exactly 2 arguments (1 given)
> WARNING: Failure executing file: <bars.py>
>
> In [2]: debug
> > /usr/lib/python2.6/dist-packages/numpy/oldnumeric/functions.py(101)arange()
> 100 dtype = convtypecode2(typecode, dtype)
> --> 101 return mu.arange(start, stop, step, dtype)
> 102
>
> ipdb> mu.arange(start, stop, step, dtype)
> array([ 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26])
>
>
> I appreciate the help,
> Paul
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