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runlems.py
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runlems.py
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#! /usr/bin/env python
"""
@author: Gautham Ganapathy
@organization: Textensor (http://textensor.com)
@contact: gautham@textensor.com, gautham@lisphacker.org
"""
import sys
from lems.base.errors import ParseError,ModelError,SimBuildError,SimError
from lems.parser.LEMS import LEMSParser
from lems.sim.build import SimulationBuilder
#from pylems.parser.expr import ExprParser
#print ExprParser('1').parse()
#print ExprParser('1 + 2').parse()
#print ExprParser('v .gt. threshold').parse()
#print ExprParser('1-95*v_t/100').parse()
#print ExprParser('rate / (1 + exp(-(v - midpoint)/scale))').parse()
#print ExprParser('-1+-exp(a-b)-(c-d)').parse()
#print ExprParser('-1--2').parse()
#print '### {0}'.format(ExprParser('-10').parse())
#sys.exit(0)
if len(sys.argv) not in [2,3]:
print 'Usage: runlems [-nogui] <model-file>'
sys.exit(-1)
nogui = False
if len(sys.argv) == 2:
model_file = sys.argv[1]
else:
if sys.argv[1] == '-nogui':
nogui = True
model_file = sys.argv[2]
try:
print 'Parsing model file'
parser = LEMSParser()
parser.init_parser()
parser.parse_file(model_file)
model = parser.get_model()
#print model
print 'Resolving model'
model.resolve_model()
#print model
print 'Building simulation'
sim = SimulationBuilder(model).build()
except ParseError as e:
print 'Caught ParseError - ' + str(e)
except ModelError as e:
print 'Caught ModelError - ' + str(e)
except SimBuildError as e:
print 'Caught SimBuildError - ' + str(e)
except SimError as e:
print 'Caught SimError - ' + str(e)
#sys.exit(0)
try:
print 'Parsing model file'
parser = LEMSParser()
parser.init_parser()
parser.parse_file(model_file)
model = parser.get_model()
#print model
print 'Resolving model'
model.resolve_model()
#print model
print 'Building simulation'
sim = SimulationBuilder(model).build()
def print_run(run, offset):
print offset,run.id
for rn in run.children:
r = run.children[rn]
print_run(r, ' ' + offset)
print 'Runnables:'
for r in sim.runnables:
print_run(sim.runnables[r], '')
print 'Running simulation'
sim.run()
#sys.exit(0)
if not nogui:
import matplotlib.pyplot as plt
import numpy
print 'Plotting graphs'
rq = []
for rn in sim.runnables:
rq.append(sim.runnables[rn])
while rq != []:
runnable = rq[0]
rq = rq[1:]
for c in runnable.children:
rq.append(runnable.children[c])
if runnable.recorded_variables:
for variable in runnable.recorded_variables:
values = runnable.recorded_variables[variable]
x = numpy.empty(len(values))
y = numpy.empty(len(values))
i = 0
for (xv, yv) in values:
x[i] = xv
y[i] = yv
i = i + 1
p = plt.subplot(111)
p.plot(x, y)
plt.show()
except ParseError as e:
print 'Caught ParseError - ' + str(e)
except ModelError as e:
print 'Caught ModelError - ' + str(e)
except SimBuildError as e:
print 'Caught SimBuildError - ' + str(e)
except SimError as e:
print 'Caught SimError - ' + str(e)