Import LinuxCNC source tree

tests/interp/python/error/canon.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+import tempfile
+import gcode
+import sys
+
+def float_fmt(f):
+    if isinstance(f, float): return "% 5.1g" % f
+    return "%5s" % f
+
+class Canon:
+    # Stay on the per-event canon protocol; the catch-all __getattr__ below
+    # would otherwise answer gcode.parse's move-batch probe with a callable.
+    use_move_batches = False
+
+    def __getattr__(self, attr):
+        """Assume that any unknown attribute is a canon call; just print
+        its args and return None"""
+
+        def inner(*args):
+            args = list(map(float_fmt, args))
+            print("%-17s %s" % (attr, " ".join(args)))
+        return inner
+
+    # this is just noisy
+    def next_line(self, linecode): pass
+
+    # These can't just return None...
+    def get_external_length_units(self): return 1.0
+    def get_external_angular_units(self): return 1.0
+    def get_axis_mask(self): return 7 # (x y z)
+    def get_block_delete(self): return False
+    def get_tool(self, pocket):
+        return -1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0
+
+parameter = tempfile.NamedTemporaryFile()
+canon = Canon()
+canon.parameter_file = parameter.name
+result, seq = gcode.parse(sys.argv[1], canon, '', '', '')
+if result > gcode.MIN_ERROR: raise SystemExit(gcode.strerror(result))