115 lines
2.8 KiB
Python
115 lines
2.8 KiB
Python
#
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# Example python script to generate a BOM from a KiCad generic netlist
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#
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"""
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@package
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Output: old OrcadPcb2 netlist format
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Sorted By: Ref
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Command line:
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python "pathToFile/netlist_form_OrcadPcb2.py" "%I" "%O.net"
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"""
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from __future__ import print_function
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# Import the KiCad python helper module
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import kicad_netlist_reader
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import sys
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# A helper function to convert a UTF8/Unicode/locale string read in netlist
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# for python2 or python3 (Windows/unix)
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def fromNetlistText( aText ):
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if sys.platform.startswith('win32'):
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try:
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return aText.encode('utf-8').decode('cp1252')
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except UnicodeDecodeError:
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return aText
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else:
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return aText
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# Generate an instance of a generic netlist, and load the netlist tree from
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# the command line option. If the file doesn't exist, execution will stop
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netlist = kicad_netlist_reader.netlist(sys.argv[1])
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# Open a file to write to, if the file cannot be opened output to stdout
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# instead
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canOpenFile = True
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try:
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f = open(sys.argv[2], 'wb')
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except IOError:
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e = "Can't open output file for writing: " + sys.argv[2]
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print(__file__, ":", e, sys.stderr)
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f = sys.stdout
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canOpenFile = False
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components = netlist.getInterestingComponents( excludeBoard=True )
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row =""
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''' Netlist header:
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( { EESchema Netlist Version 1.1 02/09/2021 11:10:00
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Eeschema (5.99.0-12178-ge03257b55f-dirty)}
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'''
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''' Generate line ( { EESchema Netlist Version 1.1 <time> '''
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row += '( { EESchema Netlist Version 1.1 ' + netlist.getDate() + '\n'
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''' Generate line Eeschema <eeschema version> '''
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row += 'Eeschema ' + netlist.getTool() + ' }\n\n'
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'''
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This template read each component and creates lines:
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( 3EBF7DBD $noname U1 74LS125
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... pin list ...
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)
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and calls "create_pin_list" template to build the pin list
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'''
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for c in components:
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fp_name = c.getFootprint( False )
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if fp_name == "":
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fp_name = "$noname"
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row += "( " + c.getTimestamp() + ' ' + fp_name
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row += ' ' + c.getRef()
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row += ' ' + c.getValue()
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row += '\n'
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'''
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generate pin list
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The pin list from library description is something like
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<pins>
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<pin num="1" type="passive"/>
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<pin num="2" type="passive"/>
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</pins>
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Output pin list is ( <pin num> <net name> )
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something like
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( 1 VCC )
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( 2 GND )
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for not connected pins:
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( 3 ? )
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'''
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lib = c.getLibPart()
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pinlist = lib.getPinList()
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for pin in pinlist:
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pin_num = pin.get('pin','num')
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row += " ( " + pin_num + " "
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netname = c.getPinNetname( pin_num, netlist, True )
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if netname == "":
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netname = "?"
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row += netname
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row += " )\n"
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row += ')\n'
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row += '\n)\n'
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f.write(row.encode('utf-8'))
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f.close()
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if not canOpenFile:
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sys.exit(1) |