Import LinuxCNC source tree

tests/remap/oword-pycall/oword.py

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+#   This is a component of LinuxCNC
+#   Copyright 2011 Michael Haberler <git@mah.priv.at>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Demo Python O-word subroutine - call as:
+# o<square> [5]
+# (debug, #<_value>)
+#
+# this function expects exactly one parameter from NGC and will throw an exception otherwise
+# which aint particularly bright
+def square(self,x):
+    return  x*x
+
+# a function taking a variable number of arguments
+# o<multiply> [5] [7]
+# (debug, #<_value>)
+# o<multiply> [5] [7] [9] [16]
+# (debug, #<_value>)
+
+import operator
+from functools import reduce
+
+# you'd be better of doing it this way:
+def multiply(self, *args):
+    print("multiply: number of arguments= {}".format(len(args)))
+    return reduce(operator.mul, args)
+