xorn/src/gaf/netlist/pp_power.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 ## \namespace gaf.netlist.pp_power
  21 ## Post-processing: New-style power symbols.
  22
  23 from gettext import gettext as _
  24 import gaf.attrib
  25
  26 def postproc_blueprints(netlist):
  27     for schematic in netlist.schematics:
  28         for component in schematic.components:
  29             netname = component.get_attribute('netname', None)
  30             if netname is None:
  31                 continue
  32
  33             if component.refdes is not None:
  34                 component.error(_("refdes= and netname= attributes "
  35                                   "are mutually exclusive"))
  36             if gaf.attrib.search_all(component.ob, 'net'):
  37                 component.error(_("netname= and net= attributes "
  38                                   "are mutually exclusive"))
  39
  40             if not component.pins:
  41                 component.error(_("power symbol doesn't have pins"))
  42             if len(component.pins) > 1:
  43                 component.error(_("multiple pins on power symbol"))
  44
  45             for pin in component.pins:
  46                 if pin.number is not None or pin.ob.attached_objects():
  47                     pin.warn(_("pin attributes on power symbol are ignored"))
  48                 pin.net.names_from_net_attribute.append(netname)
  49
  50             component.has_netname_attrib = True