def test_user_defined_strands(nlevels, SchedType, execfn, expect):
s1 = ecto.Strand()
s2 = s1
s3 = ecto.Strand()
print "s1.id ==", s1.id
print "s2.id ==", s2.id
print "s3.id ==", s3.id
assert s1.id == s2.id
assert s3.id != s2.id
assert s3.id != s1.id
plasm = ecto.Plasm()
# plasm.movie_out("strands_%03d.dot")
gen = ecto_test.Generate("GENERATE", step=1.0, start=1.0)
noncurr = ecto_test.DontCallMeFromTwoThreads("ALPHA", strand=s1)
plasm.connect(gen[:] >> noncurr[:])
for k in range(nlevels):
n = ecto_test.DontCallMeFromTwoThreads("BETA_%d" % k, strand=s2)
plasm.connect(noncurr[:] >> n[:])
noncurr = n
printer = ecto_test.Printer("PRINTER")
plasm.connect(noncurr[:] >> printer[:])
sched = SchedType(plasm)
print "sched=", sched
execfn(sched)
result = noncurr.outputs.out
print "result=", result, "expect=", expect
assert (result == expect)
def test_strand_basic_semantics():
s = ecto.Strand()
print "s.id =", s.id
orig_id = s.id
c = ecto_test.DontCallMeFromTwoThreads("CRASHY", strand=s)
c2 = ecto_test.DontCallMeFromTwoThreads("CRASHY2", strand=s)
c3 = ecto_test.DontCallMeFromTwoThreads("CRASHY3", strand=s)
p = ecto.Plasm()
gen = ecto_test.Generate("GENERATE", step=1.0, start=1.0)
p.connect(gen[:] >> c[:])
p.connect(c[:] >> c2[:])
p.connect(c2[:] >> c3[:])
sched = ecto.schedulers.Multithreaded(p)
sched.execute(10)
#!/usr/bin/env python
import ecto, ecto_test
s1 = ecto.Strand() # No cells that have this strand will run concurrenly
plasm = ecto.Plasm()
gen = ecto_test.Generate("Gen", step=1.0, start=1.0)
noncurr = ecto_test.DontCallMeFromTwoThreads("Unsafe0", strand=s1)
plasm.connect(gen['out'] >> noncurr['in'])
for k in range(3):
next = ecto_test.DontCallMeFromTwoThreads("Unsafe%u" % (k + 1), strand=s1)
plasm.connect(noncurr['out'] >> next['in'])
noncurr = next
printer = ecto_test.Printer()
plasm.connect(noncurr['out'] >> printer['in'])
if __name__ == '__main__':
sched = ecto.schedulers.Threadpool(plasm)
sched.execute(niter=2, nthreads=8)
#!/usr/bin/env python
import ecto
from ecto_opencv import highgui, calib, imgproc
plasm = ecto.Plasm()
sched = ecto.schedulers.Threadpool(plasm)
video_cap = highgui.VideoCapture(video_device=0)
fps = highgui.FPSDrawer()
rgb2gray = imgproc.cvtColor('rgb -> gray', flag=7)
display_strand = ecto.Strand()
checker_detector = calib.PatternDetector('Checker Detector',
rows=5, cols=4,
pattern_type="chessboard",
square_size=0.03)
circle_detector = calib.PatternDetector('Dot Detector',
rows=7, cols=3, pattern_type="acircles",
square_size=0.03)
circle_drawer = calib.PatternDrawer('Circle Draw',
rows=7, cols=3)
checker_drawer = calib.PatternDrawer('Checker Draw',
rows=5, cols=4)
circle_display = highgui.imshow('Pattern show',
name='Pattern', waitKey= 2, maximize=True,
strand=display_strand)
plasm.connect(video_cap['image'] >> circle_drawer['input'],
circle_drawer['out'] >> checker_drawer['input'],
checker_drawer['out'] >> fps['image'],