Fix Excellon repeat command

1 files changed, 4 insertions, 2 deletions

diff --git a/gerber/excellon.py b/gerber/excellon.py
index 900e2df..930b683 100755
--- a/gerber/excellon.py
+++ b/gerber/excellon.py
@@ -54,6 +54,8 @@ class ExcellonFile(CamFile):
 

     The ExcellonFile class represents a single excellon file.

 

+    http://www.excellon.com/manuals/program.htm

+

     Parameters

     ----------

     tools : list

@@ -305,8 +307,8 @@ class ExcellonParser(object):
             stmt = RepeatHoleStmt.from_excellon(line, self._settings())

             self.statements.append(stmt)

             for i in range(stmt.count):

-                self.pos[0] += stmt.xdelta

-                self.pos[1] += stmt.ydelta

+                self.pos[0] += stmt.xdelta if stmt.xdelta is not None else 0

+                self.pos[1] += stmt.ydelta if stmt.ydelta is not None else 0

                 self.hits.append((self.active_tool, tuple(self.pos)))

                 self.active_tool._hit()