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path: root/Master/texmf-dist/asymptote/asymptote.py
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# Python module to feed Asymptote with commands
# (modified from gnuplot.py)
from subprocess import *
class asy:
	def __init__(self):
		self.session = Popen(['asy','-quiet','-interactive'],stdin=PIPE)
		self.help()
	def send(self, cmd):
		self.session.stdin.write(cmd+'\n')
		self.session.stdin.flush()
	def size(self, size):
		self.send("size(%d);" % size)
	def draw(self, str):
		self.send("draw(%s);" % str)
	def fill(self, str):
		self.send("fill(%s);" % str)
	def clip(self, str):
		self.send("clip(%s);" % str)
	def label(self, str):
		self.send("label(%s);" % str)
	def shipout(self, str):
		self.send("shipout(\"%s\");" % str)
	def erase(self):
		self.send("erase();")
	def help(self):
		print "Asymptote session is open.  Available methods are:"
		print "    help(), size(int), draw(str), fill(str), clip(str), label(str), shipout(str), send(str), erase()"
	def __del__(self):
		print "closing Asymptote session..."
		self.send('quit');
		self.session.stdin.close();
		self.session.wait()
		




if __name__=="__main__":
	g = asy()
	g.size(200)
	g.draw("unitcircle")
	g.send("draw(unitsquare)")
	g.fill("unitsquare, blue")
	g.clip("unitcircle")
	g.label("\"$O$\", (0,0), SW")
	raw_input("press ENTER to continue")
	g.erase()
	del g