Added sheetpath + SCH load + sub-sheet recycle test.

A sheet is included twice to test dual reference names.
The SCH contains all the possible KiCad elements.

tests/board_samples/sub-sheet.sch

@@ -0,0 +1,151 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 3 3
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L 74xx:74LS04 U1
+U 1 1 5F34307A
+P 3800 2500
+AR Path="/5F342DEB/5F34307A" Ref="U1"  Part="1" 
+AR Path="/5F34E267/5F34307A" Ref="U2"  Part="1" 
+F 0 "U2" H 3800 2817 50  0000 C CNN
+F 1 "74LS04" H 3800 2726 50  0000 C CNN
+F 2 "" H 3800 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 3800 2500 50  0001 C CNN
+	1    3800 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 2 1 5F344A0E
+P 4500 2500
+AR Path="/5F342DEB/5F344A0E" Ref="U1"  Part="2" 
+AR Path="/5F34E267/5F344A0E" Ref="U2"  Part="2" 
+F 0 "U2" H 4500 2817 50  0000 C CNN
+F 1 "74LS04" H 4500 2726 50  0000 C CNN
+F 2 "" H 4500 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 4500 2500 50  0001 C CNN
+	2    4500 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 3 1 5F345E39
+P 5200 2500
+AR Path="/5F342DEB/5F345E39" Ref="U1"  Part="3" 
+AR Path="/5F34E267/5F345E39" Ref="U2"  Part="3" 
+F 0 "U2" H 5200 2817 50  0000 C CNN
+F 1 "74LS04" H 5200 2726 50  0000 C CNN
+F 2 "" H 5200 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 5200 2500 50  0001 C CNN
+	3    5200 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 4 1 5F346E8B
+P 5900 2500
+AR Path="/5F342DEB/5F346E8B" Ref="U1"  Part="4" 
+AR Path="/5F34E267/5F346E8B" Ref="U2"  Part="4" 
+F 0 "U2" H 5900 2817 50  0000 C CNN
+F 1 "74LS04" H 5900 2726 50  0000 C CNN
+F 2 "" H 5900 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 5900 2500 50  0001 C CNN
+	4    5900 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 5 1 5F348270
+P 6600 2500
+AR Path="/5F342DEB/5F348270" Ref="U1"  Part="5" 
+AR Path="/5F34E267/5F348270" Ref="U2"  Part="5" 
+F 0 "U2" H 6600 2817 50  0000 C CNN
+F 1 "74LS04" H 6600 2726 50  0000 C CNN
+F 2 "" H 6600 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 6600 2500 50  0001 C CNN
+	5    6600 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 6 1 5F348D95
+P 7300 2500
+AR Path="/5F342DEB/5F348D95" Ref="U1"  Part="6" 
+AR Path="/5F34E267/5F348D95" Ref="U2"  Part="6" 
+F 0 "U2" H 7300 2817 50  0000 C CNN
+F 1 "74LS04" H 7300 2726 50  0000 C CNN
+F 2 "" H 7300 2500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 7300 2500 50  0001 C CNN
+	6    7300 2500
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS04 U1
+U 7 1 5F34A12F
+P 5500 3500
+AR Path="/5F342DEB/5F34A12F" Ref="U1"  Part="7" 
+AR Path="/5F34E267/5F34A12F" Ref="U2"  Part="7" 
+F 0 "U2" H 5730 3546 50  0000 L CNN
+F 1 "74LS04" H 5730 3455 50  0000 L CNN
+F 2 "" H 5500 3500 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS04" H 5500 3500 50  0001 C CNN
+	7    5500 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:VCC #PWR01
+U 1 1 5F34BC05
+P 5500 3000
+AR Path="/5F342DEB/5F34BC05" Ref="#PWR01"  Part="1" 
+AR Path="/5F34E267/5F34BC05" Ref="#PWR03"  Part="1" 
+F 0 "#PWR03" H 5500 2850 50  0001 C CNN
+F 1 "VCC" H 5515 3173 50  0000 C CNN
+F 2 "" H 5500 3000 50  0001 C CNN
+F 3 "" H 5500 3000 50  0001 C CNN
+	1    5500 3000
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR02
+U 1 1 5F34C535
+P 5500 4000
+AR Path="/5F342DEB/5F34C535" Ref="#PWR02"  Part="1" 
+AR Path="/5F34E267/5F34C535" Ref="#PWR04"  Part="1" 
+F 0 "#PWR04" H 5500 3750 50  0001 C CNN
+F 1 "GND" H 5505 3827 50  0000 C CNN
+F 2 "" H 5500 4000 50  0001 C CNN
+F 3 "" H 5500 4000 50  0001 C CNN
+	1    5500 4000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4100 2500 4200 2500
+Wire Wire Line
+	4800 2500 4900 2500
+Wire Wire Line
+	5500 2500 5600 2500
+Wire Wire Line
+	6200 2500 6300 2500
+Wire Wire Line
+	6900 2500 7000 2500
+Text HLabel 7700 2500 2    50   Output ~ 0
+OUT
+Wire Wire Line
+	7600 2500 7700 2500
+Text HLabel 3350 2500 0    50   Input ~ 0
+IN
+Wire Wire Line
+	3350 2500 3500 2500
+$EndSCHEMATC

tests/test_plot/test_int_bom.py

@@ -111,6 +111,14 @@ def check_dnc(rows, comp, ref, qty):
             return
 
 
+def check_path(rows, comp, ref, sp, val):
+    for row in rows:
+        if row[ref].find(comp) != -1:
+            assert row[sp] == val
+            logging.debug(comp + " sheetpath OK")
+            return
+
+
 def test_int_bom_simple_csv():
     prj = 'kibom-test'
     ext = 'csv'
@@ -593,3 +601,22 @@ def test_int_bom_no_test_regex():
     check_kibom_test_netlist(rows, ref_column, KIBOM_TEST_GROUPS, KIBOM_TEST_EXCLUDE, KIBOM_TEST_COMPONENTS)
     check_dnc(rows, 'R7', ref_column, qty_column)
     ctx.clean_up()
+
+
+def test_int_bom_sub_sheet_alt():
+    """ Test for 1 sub sheet used twice.
+        Also stress the v5 loader.
+        Also tests sheet path and no grouping with multi-part components """
+    prj = 'test_v5'
+    ext = 'csv'
+    ctx = context.TestContextSCH('test_int_bom_sub_sheet_alt', prj, 'int_bom_sheet_path', BOM_DIR)
+    ctx.run()  # extra_debug=True
+    out = prj + '-bom.' + ext
+    rows, header = ctx.load_csv(out)
+    assert header == KIBOM_TEST_HEAD[:-1] + ['Sheetpath']
+    ref_column = header.index(REF_COLUMN_NAME)
+    sp_column = header.index('Sheetpath')
+    check_kibom_test_netlist(rows, ref_column, 6, [], ['C1', 'L1', 'R1', 'R2', 'U1', 'U2'])
+    check_path(rows, 'U1', ref_column, sp_column, '/Sub Sheet')
+    check_path(rows, 'U2', ref_column, sp_column, '/Sub Sheet 2')
+    ctx.clean_up()

tests/yaml_samples/int_bom_sheet_path.kiplot.yaml

@@ -0,0 +1,13 @@
+# Example KiPlot config file
+kiplot:
+  version: 1
+
+outputs:
+  - name: 'bom_internal'
+    comment: "Bill of Materials in CSV format"
+    type: bom
+    dir: BoM
+    options:
+      columns: ['Row','Description','Part','References','Value','Footprint','Quantity Per PCB','Datasheet','Sheetpath']
+      group_fields: []
+