gnuplot-py-users Mailing List for Gnuplot.py

Titi Anggono wrote:
 > [...]
 > here I got the message
 >=20
 > =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
 > Traceback (most recent call last):
 > [...]
 >   File
 > "C:\Python23\Lib\site-packages\Gnuplot\gp_win32.py",
 > line 125, in __call__
 >     self.write(s + '\n')
 > IOError: [Errno 22] Invalid argument
 > =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >=20
 > FYI, I use python2.3,Gnuplot-py-1.7 and winXP. Any
 > problems with my code ??

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Solution for Windows XP:

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I had the same problem. I downloaded the Gnuplot program and it worked,
although Gnuplot.py did not, even after adding the installation path
(e.g.) to the PATH variable.

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I put Gnuplot in C:\Program Files\ so the directory is C:\Program
Files\gnuplot\bin

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I then went to my Gnuplot folder in the site-packages folder (e.g. C:\
Program Files\Python24\Lib\site-packages\Gnuplot) and edited the
gp_win32.py file.

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Instead of

gp_win32.py:

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gnuplot_command =3D r' pgnuplot.exe'

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Edit it to

gp_win32.py:

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gnuplot_command =3D r'"C:\Program Files\gnuplot\bin\pgnuplot.exe"'

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and now it should work!

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Good luck

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Konstantinos Xynos

Research Student

Information Security Research Group

University of Glamorgan

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