1 files changed, 25 insertions, 0 deletions
diff --git a/gerberex/rs274x.py b/gerberex/rs274x.py
new file mode 100644
index 0000000..e9d82cd
--- /dev/null
+++ b/gerberex/rs274x.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
+
+import gerber.rs274x
+from gerberex.statements import (AMParamStmt, AMParamStmtEx)
+
+class GerberFile(gerber.rs274x.GerberFile):
+    @classmethod
+    def from_gerber_file(cls, gerber_file):
+        if not isinstance(gerber_file, gerber.rs274x.GerberFile):
+            raise Exception('only gerber.rs274x.GerberFile object is specified')
+        
+        def swap_statement(statement):
+            if isinstance(statement, AMParamStmt) and not isinstance(statement, AMParamStmtEx):
+                return AMParamStmtEx.from_stmt(statement)
+            else:
+                return statement
+        statements = [swap_statement(statement) for statement in gerber_file.statements]
+        return cls(statements, gerber_file.settings, gerber_file.primitives,\
+                   gerber_file.apertures, gerber_file.filename)
+
+    def __init__(self, statements, settings, primitives, apertures, filename=None):
+        super(GerberFile, self).__init__(statements, settings, primitives, apertures, filename)