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#
# Example python script to generate a BOM from a KiCad generic netlist
#
# Example: Sorted and Grouped CSV BOM
#
"""
@package
Output: CSV (comma-separated)
Grouped By: Value, Symbol Name, Footprint, DNP
Sorted By: Ref
Fields: Item, Qty, Reference(s), Value, LibPart, Footprint, Datasheet, DNP, all additional symbol fields
Outputs ungrouped components first, then outputs grouped components.
Command line:
python "pathToFile/bom_csv_grouped_by_value.py" "%I" "%O.csv"
"""
from __future__ import print_function
# Import the KiCad python helper module and the csv formatter
import kicad_netlist_reader
import kicad_utils
import csv
import sys
# A helper function to filter/convert a string read in netlist
#currently: do nothing
def fromNetlistText( aText ):
return aText
def myEqu(self, other):
"""myEqu is a more advanced equivalence function for components which is
used by component grouping. Normal operation is to group components based
on their value and footprint.
In this example of a custom equivalency operator we compare the
value, the part name and the footprint.
"""
result = True
if self.getValue() != other.getValue():
result = False
elif self.getPartName() != other.getPartName():
result = False
elif self.getFootprint() != other.getFootprint():
result = False
elif self.getDNP() != other.getDNP():
result = False
return result
# Override the component equivalence operator - it is important to do this
# before loading the netlist, otherwise all components will have the original
# equivalency operator.
kicad_netlist_reader.comp.__eq__ = myEqu
if len(sys.argv) != 3:
print("Usage ", __file__, "<generic_netlist.xml> <output.csv>", file=sys.stderr)
sys.exit(1)
# 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
net = 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 = kicad_utils.open_file_writeUTF8(sys.argv[2], 'w')
except IOError:
e = "Can't open output file for writing: " + sys.argv[2]
print( __file__, ":", e, sys.stderr )
f = sys.stdout
canOpenFile = False
# subset the components to those wanted in the BOM, controlled
# by <configure> block in kicad_netlist_reader.py
components = net.getInterestingComponents( excludeBOM=True )
compfields = net.gatherComponentFieldUnion(components)
partfields = net.gatherLibPartFieldUnion()
# remove Reference, Value, Datasheet, and Footprint, they will come from 'columns' below
partfields -= set( ['Reference', 'Value', 'Datasheet', 'Footprint'] )
columnset = compfields | partfields # union
# prepend an initial 'hard coded' list and put the enchillada into list 'columns'
hardcoded_columns = ['Item', 'Qty', 'Reference(s)', 'Value', 'LibPart', 'Footprint', 'Datasheet', 'DNP']
columns = hardcoded_columns + sorted(list(columnset))
# Create a new csv writer object to use as the output formatter
out = csv.writer( f, lineterminator='\n', delimiter=',', quotechar='\"', quoting=csv.QUOTE_ALL )
# override csv.writer's writerow() to support encoding conversion (initial encoding is utf8):
def writerow( acsvwriter, columns ):
utf8row = []
for col in columns:
utf8row.append( fromNetlistText( str(col) ) )
acsvwriter.writerow( utf8row )
# Output a set of rows as a header providing general information
writerow( out, ['Source:', net.getSource()] )
writerow( out, ['Date:', net.getDate()] )
writerow( out, ['Tool:', net.getTool()] )
writerow( out, ['Generator:', sys.argv[0]] )
writerow( out, ['Component Count:', len(components)] )
writerow( out, [] )
writerow( out, ['Collated Components:'] )
writerow( out, [] ) # blank line
writerow( out, columns ) # reuse same columns
row=[]
# Get all of the components in groups of matching parts + values
# (see kicad_netlist_reader.py)
grouped = net.groupComponents(components)
# Output component information organized by group, aka as collated:
item = 0
for group in grouped:
del row[:]
refs = ""
refs_l = []
# Add the reference of every component in the group and keep a reference
# to the component so that the other data can be filled in once per group
for component in group:
refs_l.append( component.getRef() )
c = component
refs = ", ".join(refs_l)
# Fill in the component groups common data
# columns = ['Item', 'Qty', 'Reference(s)', 'Value', 'LibPart', 'Footprint', 'Datasheet', 'DNP'] + sorted(list(columnset))
item += 1
row.append( item )
row.append( len(group) )
row.append( refs );
row.append( c.getValue() )
row.append( c.getLibName() + ":" + c.getPartName() )
row.append( net.getGroupFootprint(group) )
row.append( net.getGroupDatasheet(group) )
row.append( c.getDNPString() )
# add user fields by name
for field in columns[len(hardcoded_columns):]:
row.append( net.getGroupField(group, field) );
writerow( out, row )
f.close()
if not canOpenFile:
sys.exit(1)
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