1 files changed, 68 insertions, 0 deletions
diff --git a/gerbonara/tests/resources/zuken-emulated/scripts/zukenka_excellon.py b/gerbonara/tests/resources/zuken-emulated/scripts/zukenka_excellon.py
new file mode 100644
index 0000000..b00fb2c
--- /dev/null
+++ b/gerbonara/tests/resources/zuken-emulated/scripts/zukenka_excellon.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+#
+# Mess up an Excellon file to look like it was generated by Zuken CR-8000.
+# Only meant to work with KiCAD Excellon files.
+#
+
+import re
+
+class Mapper:
+    def __init__(self):
+        self.g05_found = False
+
+    def map_line(self, line):
+        # Remove comments
+        if line[0] == ';':
+            return ''
+
+        # Drop G90
+        if line == 'G90':
+            return ''
+
+        # Drop first G05
+        if line == 'G05' and not self.g05_found:
+            self.g05_found = True
+            return ''
+
+        # Strip FMAT line (we need to put it in further down)
+        if line == 'FMAT,2':
+            return ''
+
+        # Replace unit line with new header
+        if line in ('METRIC', 'INCH'):
+            return f'{line},LZ\nICI,OFF\nVER,1\nFMAT,2\nDETECT,ON\nATC,ON\n'
+        
+        # Add non-functional M06 to all tool uses after T01 with 
+        if re.fullmatch(r'T[0-9]*', line):
+
+            # Pad tool indices to two digits
+            if len(line) == 2:
+                line = f'{line[0]}0{line[1]}'
+
+            return f'M06\n{line}\n'
+
+        # Remove trailing non-functional T0
+        if line == 'T0':
+            return ''
+
+        # Replace M30 EOF with M00 EOF
+        if line == 'M30':
+            return 'M00\n'
+
+        # Convert coordinates into fixed-width 4.4 format
+        if (m := re.fullmatch(r'X([-0-9.]*)Y([-0-9.]*)', line)):
+            x, y = float(m[1]), float(m[2])
+            # sign, four digits, point, four digits = 10 digits
+            x, y = f'{x: 010.4f}', f'{y: 010.4f}'
+            x, y = x.strip().replace('.', ''), y.strip().replace('.', '')
+            return f'X{x}Y{y}\n'
+
+        return f'{line}\n'
+
+def zukenka(data):
+    m = Mapper()
+    return ''.join(m.map_line(line) for line in data.splitlines())
+
+if __name__ == '__main__':
+    import sys
+    print(zukenka(sys.stdin.read()))