Hello,
I am getting segmentation faults when I try to freeze a script which
uses the TkAgg backend, on python2.5.2, gcc 4.2.3 (ubuntu 8.04, hardy
heron). A trial script is:
import matplotlib
matplotlib.use("TkAgg") # unless you have it in matplotlibrc
import matplotlib.backends.backend_tkagg # explicit for freezer
from matplotlib.pylab import plot, show
plot(range(10), range(10), "+")
show()
Is anyone already familiar with the problem? Things seem to work with
the GTkAgg backend, but sadly many years ago I decided to use Tk as I
thought it'd be easier to distribute. In order to reproduce the problem
with bbfreeze you should just need this freezing script:
from bbfreeze import Freezer
f = Freezer("dist",
includes=("matplotlib",
"matplotlib.numerix.fft",
"matplotlib.numerix.linear_algebra",
"matplotlib.numerix.ma",
"matplotlib.numerix.mlab",
"matplotlib.numerix.random_array"))
f.addScript("t.py")
f()
For reproducing the problem with cx-freeze you need to (a) install it by
patching the cx-freeze setup.py [so that (2, 5) -> (2, 6)] and (b) add
an import for numpy.linalg.lapack_lite and edit your numpy.__init__ to
remove numpy.test.
Thanks for any advice,
Jon
---
PS: gdb says
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7c806b0 (LWP 8158)]
0xb6e145a0 in ?? () from
/home/wright/testcx/build/exe.linux-i686-2.5/matplotlib.backends._tkagg.so
(gdb) bt
#0 0xb6e145a0 in ?? () from
/home/wright/testcx/build/exe.linux-i686-2.5/matplotlib.backends._tkagg.so
#1 0xb6badb6e in TclInvokeStringCommand () from /usr/lib/libtcl8.4.so.0
#2 0xb6baee56 in TclEvalObjvInternal () from /usr/lib/libtcl8.4.so.0
#3 0xb6baf0db in Tcl_EvalObjv () from /usr/lib/libtcl8.4.so.0
#4 0xb6ef96c6 in ?? () from
/home/wright/testcx/build/exe.linux-i686-2.5/_tkinter.so
#5 0x0827a0c8 in ?? ()
#6 0x00000005 in ?? ()
...
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