import 0.2.1

scripts/txt2gds

@@ -0,0 +1,65 @@
+#! /usr/bin/python
+# -*- coding: utf-8 -*-
+# Copyright © 2011 Eugeniy Meshcheryakov <eugen@debian.org>
+# This file is licensed under GNU Lesser General Public License version 3 or later.
+"""Converter from format produced by gds2txt back to GDSII."""
+from __future__ import print_function
+from gdsii import tags, types
+from gdsii.record import Record
+import sys
+import getopt
+import re
+
+def parse_file(ifile, ofile):
+    rexp = re.compile(r'^(?P<tag>[^:]+)(:\s*(?P<rest>.*))?$')
+    lineno = 1
+    for line in ifile:
+        stripped = line.strip()
+        m = rexp.match(stripped)
+        if not m:
+            print('Parse error at line {0}'.format(lineno), file=sys.stderr)
+            sys.exit(1)
+        tag_name = m.group('tag')
+        rest = m.group('rest')
+
+        tag = tags.DICT[tag_name]
+
+        tag_type = tags.type_of_tag(tag)
+
+        if tag_type == types.NODATA:
+            data = None
+        elif tag_type == types.ASCII:
+            data = rest[1:-1].encode() # FIXME
+        elif tag_type == types.BITARRAY:
+            data = int(rest)
+        elif tag_type == types.REAL8:
+            data = [float(s) for s in rest.split(',')]
+        elif tag_type == types.INT2 or tag_type == types.INT4:
+            data = [int(s) for s in rest.split(',')]
+        else:
+            raise Exception('Unsupported type')
+        rec = Record(tag, data)
+        rec.save(ofile)
+        lineno += 1
+
+def main(argv):
+    opts, args = getopt.gnu_getopt(argv[1:], 'o:')
+    if len(opts) != 1 or opts[0][0] != '-o' or len(args) > 1:
+        usage(argv[0])
+        sys.exit(2)
+    with open(opts[0][1], 'wb') as ofile:
+        if len(args) == 0:
+            parse_file(sys.stdin, ofile)
+        else:
+            with open(args[0], 'r') as ifile:
+                parse_file(ifile, ofile)
+
+def usage(prog):
+    print('Usage: %s -o <file.gds> [<input.txt>]' % prog)
+
+if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        main(sys.argv)
+    else:
+        usage(sys.argv[0])
+        sys.exit(1)