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-rw-r--r--gerberex/common.py35
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diff --git a/gerberex/common.py b/gerberex/common.py
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+++ b/gerberex/common.py
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+#!/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 = gerber.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')