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