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import os
import re
import time
import subprocess
from soc.settings import PROJECT_DIR
def scilab_run(code, token):
plot_exists = False
#Finding the plot and appending xs2jpg function
p = re.compile(r'.*plot.*\(.*,.*,*\).*\n')
if p.search(code):
plot_exists = True
code = code + '\n'
temp = code
code = ''
start, end, count = 0, 0, 0
current_time = time.time()
plot_path = []
for (count, match) in enumerate(p.finditer(temp)):
print "count==================",count
plot_path.append(
PROJECT_DIR + '/static/tmp/{0}.jpg'.format(int(current_time) + count)
)
end = match.end()
code += temp[start:end]
code += 'xs2jpg(gcf(), "{0}");\n'.format(plot_path[-1])
start = end
code += temp[end:]
# Create a file for the current request
canvas_off = """
function turnCanvasOff()
m = getscilabmode();
if (m=="STD"|m=="NW") then
previousDisp = disp;
prot = funcprot();
funcprot(0);
deff("disp(str)", "");
usecanvas(%f);
disp = previousDisp;
funcprot(prot);
end
endfunction
turnCanvasOff();
clear turnCanvasOff;
"""
file_path = PROJECT_DIR + '/static/tmp/' + token + '.sci'
f = open(file_path, "w")
f.write("mode(-1);\nlines(0);\nmode(-1);\ntry\nmode(2);\n")
f.write('lines(0)\n')
f.write(canvas_off)
f.write(code)
f.write('\nexit')
f.write("\nmode(-1);\nexit();\ncatch\nmode(-1);\ndisp(lasterror());\nexit();")
f.close()
if plot_exists:
cmd = 'export DISPLAY=:99 && '
cmd += 'xvfb-run -a cat {0}'.format(file_path) + ' | scilab-adv-cli -nw -nb'
print "############################"
print cmd
else:
cmd = 'cat {0}'.format(file_path) + ' | scilab-adv-cli -nw'
output = subprocess.Popen(
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True
).communicate()[0]
#os.remove(file_path)
output = trim(output)
return output
def trim(output):
atoms_banner = """
Start Image Processing Tool 2
Load macros
Load help
SIVP - Scilab Image and Video Processing Toolbox
Load macros
Load gateways
Load help
Load demos
Start identification
Load macros
Load help
"""
output = output.replace(atoms_banner, '')
return output
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