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