xorn/src/backend/gnet_bom.py

   1 # gaf.netlist - gEDA Netlist Extraction and Generation
   2 # Copyright (C) 1998-2010 Ales Hvezda
   3 # Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
   4 # Copyright (C) 2013-2020 Roland Lutz
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20 # Bill of Material backend written by Matt Ettus
  21
  22 # Bill Of Materials Generator
  23 # You must have a file called attribs in the pwd
  24 # The file should be a text list of attributes you want listed,
  25 # One per line.  No comments are allowed in the file.
  26 # Questions? Contact matt@ettus.com
  27 # This software is released under the terms of the GNU GPL
  28
  29 import sys
  30 from util_getopt import *
  31
  32 def run(f, netlist, args):
  33     options = backend_getopt(args, {
  34         'attrib_file': Option(False, REQUIRED_ARGUMENT, None),
  35         'attribs': Option(False, REQUIRED_ARGUMENT, None)
  36     })
  37
  38     # Parse attrib file or argument.
  39     # Store list of read attributes in attriblist.
  40     try:
  41         attriblist = options['attribs'].split(',')
  42     except KeyError:
  43         try:
  44             g = open(options.get('attrib_file', 'attribs'))
  45             try:
  46                 data = g.read()
  47             finally:
  48                 g.close()
  49         except IOError as e:
  50             sys.stderr.write("""\
  51 ERROR: Can't read attribute file
  52 %s
  53
  54 You must do one of the following:
  55         - Create an 'attribs' file
  56         - Specify an attribute file using -Oattrib_file=<filename>
  57         - Specify which attributes to include using
  58             -Oattribs=attrib1,attrib2,... (no spaces)
  59 """ % str(e))
  60             netlist.failed = True
  61             return
  62
  63         attriblist = []
  64         start = 0
  65         while start < len(data):
  66             ends = [data.find(delim, start) for delim in ' \n\t'] + [len(data)]
  67             end = min(end for end in ends if end != -1)
  68             if end != start:
  69                 attriblist.append(data[start:end])
  70             start = end + 1
  71
  72     if not attriblist:
  73         return
  74
  75     f.write('refdes\t%s\t\n' % '\t'.join(attriblist))
  76
  77     for package in reversed(netlist.packages):
  78         if package.get_attribute('nobom', None) == '1':
  79             continue
  80         f.write('%s\t%s\t\n' % (
  81             package.refdes, '\t'.join(package.get_attribute(attrib, 'unknown')
  82                                       for attrib in attriblist)))