Hello all I need your help. I currently have a website that calls a python
script that uses rpy to create graphs. When I run the script from the
console it works great but when I run the script via the website it is only
creating a zero byte png file. The webserver that we are running is Apache,
on a linux box.
The code I am using is the following:
<pre>
import os, random, rpy
from rpy import r
stat_table = []
real_table = []
separator = '\t'
for (stat, real) in self.dumpListStatReal():
stat_table.append(stat)
real_table.append(real)
r.lm.local_mode(rpy.NO_CONVERSION)
linear_model = r.lm(r("y ~ x"), data = r.data_frame(x = stat_table, y =
real_table))
gradient = linear_model['coeffients']['x']
yintercept = linear_model['coeffients']['Intercept']
os.chown(fileName,-1,608)
r.png(fileName, width = 480, height = 640)
r.plot(x = stat_table, y = real_table, xlab = "Computationally Derived
Binding Free Energy\\nkcal/mol", ylab = "Experimentally Derived Binding Free
Energy\\nkcal/mol", main = "Parametrically Derived Scoring Function
Performance -- r=%.2f", col = "blue")
r.abline(a = yintercept, b = gradient, col = "red")
r.dev_off()
</pre>
Any help would be great. Thanks
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