ADDED: bom_csv_grouped_extra.py BOM generator.

eeschema/eeschema_settings.cpp

@@ -45,6 +45,10 @@ const int eeschemaSchemaVersion = 3;
 /// Default value for bom.plugins
 const nlohmann::json defaultBomPlugins =
         {
+            {
+                { "name", "bom_csv_grouped_extra" },
+                { "path", "bom_csv_grouped_extra.py" }
+            },
             {
                 { "name", "bom_csv_grouped_by_value" },
                 { "path", "bom_csv_grouped_by_value.py" }

eeschema/plugins/CMakeLists.txt

@@ -6,6 +6,7 @@ set( PYTHON_SCRIPTS_LIST
     python_scripts/kicad_netlist_reader.py
     python_scripts/bom_csv_grouped_by_value.py
     python_scripts/bom_csv_grouped_by_value_with_fp.py
+    python_scripts/bom_csv_grouped_extra.py
     python_scripts/bom_csv_sorted_by_ref.py
     python_scripts/bom_html_grouped_by_value.py
     python_scripts/bom_html_with_advanced_grouping.py

eeschema/plugins/python_scripts/bom_csv_grouped_extra.py

@@ -0,0 +1,109 @@
+#
+# 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, Footprint, specified extra fields
+    Sorted By: Reference
+    Fields: #, Reference, Qty, Value, Footprint, specified extra fields
+    
+    Outputs components grouped by Value, Footprint, and specified extra fields.
+    Extra fields can be passed as command line arguments at the end, one field per argument.
+
+    Command line:
+    python "pathToFile/bom_csv_grouped_extra.py" "%I" "%O.csv" "Extra_Field1" "Extra_Field2"
+"""
+
+# Import the KiCad python helper module and the csv formatter
+import kicad_netlist_reader
+import kicad_utils
+import csv
+import sys
+
+# Get extra fields from the command line
+extra_fields = sys.argv[3:]
+
+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 more advanced equivalency operator we also compare the
+    Footprint, Value and all extra fields passed from the command line. If 
+    these fields are not used in some parts they will simply be ignored (they
+    will match as both will be empty strings).
+
+    """
+    result = True
+    if self.getValue() != other.getValue():
+        result = False
+    elif self.getFootprint() != other.getFootprint():
+        result = False
+    else:
+        for field_name in extra_fields:
+            if self.getField(field_name) != other.getField(field_name):
+                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
+
+# 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
+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
+
+# Create a new csv writer object to use as the output formatter
+out = csv.writer(f, lineterminator='\n', delimiter=',', quotechar='\"', quoting=csv.QUOTE_ALL)
+
+# Output a CSV header
+out.writerow(['#', 'Reference', 'Qty', 'Value', 'Footprint'] + extra_fields)
+
+# Get all of the components in groups of matching parts + values
+# (see kicad_netlist_reader.py)
+grouped = net.groupComponents()
+
+# Output all of the component information
+index = 1
+for group in grouped:
+    refs = ""
+
+    # 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 += component.getRef() + ", "
+        c = component
+
+    # Remove trailing comma
+    refs = refs[:-2]
+    
+    # Fill in the component groups common data
+    row = []
+    row.append( index )
+    row.append( refs )
+    row.append( len(group) )
+    row.append( c.getValue() )
+    row.append( c.getFootprint() )
+    
+    # Add the values of extra fields
+    for field_name in extra_fields:
+        row.append( c.getField( field_name ) )
+
+    out.writerow(row)
+        
+    index += 1