Entry

Simple xmgrace Python interface

Jul 5th, 2000 10:02
Nathan Wallace, Hans Nowak, Snippet 263, nbecker@fred.net

"""
Packages: interfaces
"""
import popen2
class grace:
    def __init__ (self):
        self.p = popen2.Popen3 ("xmgrace -noask -dpipe 0")
    def Command (self, cmd):
        if (cmd[-1] != '\n'):
            cmd = cmd + '\n'
        self.p.tochild.write (cmd)
    def Flush (self):
        self.p.tochild.flush()
    def Wait (self):
        return self.p.wait()
if (__name__ == "__main__"):
    g = grace()
    g.Command ("g0.s0 point 0,0")
    g.Command ("g0.s0 point 1,1")
    g.Flush()
    print "returned:", g.Wait()