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import os
import re
import time
import subprocess
from soc.settings import PROJECT_DIR
def scilab_run(code, token):
#Remove all clear;
code = code.replace('clear','')
code = code.replace(r'clear.*all','')
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:]
#Check whether to load scimax / maxima
if 'syms' in code or 'Syms' in code:
code = code.replace('syms', 'Syms')
code = 'exec(\'/home/cheese/scimax/loader.sce\');\nmaxinit\n' + code
file_path = PROJECT_DIR + '/static/tmp/' + token + '.sci'
#thanks @prathamesh920 github
#traps even syntax errors eg: endfunton
f = open(file_path, "w")
f.write('mode(2);\n')
f.write(code)
f.write('\nquit();')
f.close()
#this makes it possible to execute scilab without the problem of \
#getting stuck in the prompt in case of error
cmd = 'printf "lines(0)\nexec(\'{0}\',2);\nquit();"'.format(file_path)
cmd += ' | /home/cheese/scilab-5.4.1/bin/scilab-adv-cli -nw'
print cmd
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):
#for future use
return output
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