1 files changed, 40 insertions, 0 deletions
diff --git a/gerberex/common.py b/gerberex/common.py
new file mode 100644
index 0000000..6e8a832
--- /dev/null
+++ b/gerberex/common.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
+
+import os
+from gerber.common import loads as loads_org
+from gerber.exceptions import ParseError
+from gerber.utils import detect_file_format
+import gerber.rs274x
+import gerber.ipc356
+import gerberex.rs274x
+import gerberex.excellon
+import gerberex.dxf
+
+def read(filename, format=None):
+    with open(filename, 'rU') as f:
+        data = f.read()
+    return loads(data, filename, format=format)
+
+
+def loads(data, filename=None, format=None):
+    if os.path.splitext(filename if filename else '')[1].lower() == '.dxf':
+        return gerberex.dxf.loads(data, filename)
+
+    fmt = detect_file_format(data)
+    if fmt == 'rs274x':
+        file = gerberex.rs274x.loads(data, filename=filename)
+        return gerberex.rs274x.GerberFile.from_gerber_file(file)
+    elif fmt == 'excellon':
+        return gerberex.excellon.loads(data, filename=filename, format=format)
+    elif fmt == 'ipc_d_356':
+        return ipc356.loads(data, filename=filename)
+    else:
+        raise ParseError('Unable to detect file format')
+
+
+def rectangle(width, height, left=0, bottom=0, units='metric', draw_mode=None, filename=None):
+    return gerberex.dxf.DxfFile.rectangle(
+        width, height, left, bottom, units, draw_mode, filename)