Add name format substitution for variant field

Author: qu1ck

DATAFORMAT.md

@@ -96,6 +96,7 @@ pcbdata = {
     "revision": "rev",
     "company": "Horns and Hoofs",
     "date": "2019-04-18",
+    "variant": "var" // optional
   },
   // Contains full bom table as well as filtered by front/back.
   // See bom row description below.

InteractiveHtmlBom/core/config.py

@@ -15,6 +15,8 @@ class Config:
         '    %p : pcb/project title from pcb metadata.\n'
         '    %c : company from pcb metadata.\n'
         '    %r : revision from pcb metadata.\n'
+        '    %v : pcb variant.\n'
+        '    %V : pcb variant or \'default\', if empty.\n'
         '    %d : pcb date from metadata if available, '
         'file modification date otherwise.\n'
         '    %D : bom generation date.\n'

InteractiveHtmlBom/core/ibom.py

@@ -232,6 +232,8 @@ def process_substitutions(bom_name_format, pcb_file_name, metadata):
     name = name.replace('%c', metadata['company'])
     name = name.replace('%r', metadata['revision'])
     name = name.replace('%d', metadata['date'].replace(':', '-'))
+    name = name.replace('%v', metadata.get('variant', ''))
+    name = name.replace('%V', metadata.get('variant', '') or 'default')
     now = datetime.now()
     name = name.replace('%D', now.strftime('%Y-%m-%d'))
     name = name.replace('%T', now.strftime('%H-%M-%S'))

InteractiveHtmlBom/ecad/kicad.py

@@ -863,6 +863,7 @@ def parse(self):
                 "revision": revision,
                 "company": company,
                 "date": file_date,
+                "variant": self.config.kicad_variant,
             },
             "bom": {},
             "font_data": self.font_parser.get_parsed_font()

InteractiveHtmlBom/ecad/schema/genericjsonpcbdata_v1.schema

@@ -305,6 +305,9 @@
                 },
                 "date": {
                     "type": "string"
+                },
+                "variant": {
+                    "type": "string"
                 }
             },
             "required": ["title", "revision", "company", "date"],