Added a mechanism to set a default variant for all outputs.

It can be used to overwrite the output file template too.

kibot/__main__.py

@@ -9,7 +9,7 @@
 
 Usage:
   kibot [-b BOARD] [-e SCHEMA] [-c CONFIG] [-d OUT_DIR] [-s PRE]
-         [-q | -v...] [-i] [TARGET...]
+         [-q | -v...] [-i] [-g DEF]... [TARGET...]
   kibot [-v...] [-c PLOT_CONFIG] --list
   kibot [-v...] [-b BOARD] [-d OUT_DIR] [-p | -P] --example
   kibot [-v...] --help-list-outputs
@@ -28,6 +28,7 @@ Options:
   -c CONFIG, --plot-config CONFIG  The plotting config file to use
   -d OUT_DIR, --out-dir OUT_DIR    The output directory [default: .]
   -e SCHEMA, --schematic SCHEMA    The schematic file (.sch)
+  -g DEF, --global-redef DEF       Overwrite a global value (VAR=VAL)
   --help-list-outputs              List supported outputs
   --help-output HELP_OUTPUT        Help for this particular output
   --help-outputs                   List supported outputs and details
@@ -257,6 +258,14 @@ def main():
     GS.debug_enabled = logger.getEffectiveLevel() <= DEBUG
     GS.debug_level = args.verbose
 
+    # Parse global overwrite options
+    for redef in args.global_redef:
+        if '=' not in redef:
+            logger.error('Malformed global-redef option, must be VARIABLE=VALUE ({})'.format(redef))
+            sys.exit(EXIT_BAD_ARGS)
+        var = redef.split('=')[0]
+        GS.global_from_cli[var] = redef[len(var)+1:]
+
     clean_cache()
 
     # Output dir: relative to CWD (absolute path overrides)

kibot/config_reader.py

@@ -150,17 +150,27 @@ class CfgYamlReader(object):
                 config_error("In preflight '"+k+"': "+str(e))
             BasePreFlight.add_preflight(o_pre)
 
+
+    @staticmethod
+    def _parse_global_str(k, v, current):
+        if not isinstance(v, str):
+            config_error("Global `{}` must be a string".format(k))
+        if current:
+            logger.info('Using command line value `{}` for global option `{}`'.format(current, k))
+            return current
+        return v
+
     def _parse_global(self, gb):
         """ Get global options """
         logger.debug("Parsing global options: {}".format(gb))
         if not isinstance(gb, dict):
             config_error("Incorrect `global` section")
-
+        # Parse all keys inside it
         for k, v in gb.items():
             if k == 'output':
-                if not isinstance(v, str):
-                    config_error("Global `output` must be a string")
-                GS.global_output = v
+                GS.global_output = self._parse_global_str(k, v, GS.global_output)
+            elif k == 'variant':
+                GS.global_variant = self._parse_global_str(k, v, GS.global_variant)
             else:
                 logger.warning("Unknown global option `{}`".format(k))
 
@@ -174,6 +184,9 @@ class CfgYamlReader(object):
             data = yaml.safe_load(fstream)
         except yaml.YAMLError as e:
             config_error("Error loading YAML "+str(e))
+        # Transfer command line global overwrites
+        GS.global_output = GS.global_from_cli.get('output', None)
+        GS.global_variant = GS.global_from_cli.get('variant', None)
         # List of outputs
         outputs = []
         version = None

kibot/gs.py

@@ -22,12 +22,12 @@ class GS(object):
     pcb_file = None      # /.../dir/pcb.kicad_pcb
     pcb_no_ext = None    # /.../dir/pcb
     pcb_dir = None       # /.../dir
-    pcb_basename = None  # file
+    pcb_basename = None  # pcb
     # SCH name and useful parts
     sch_file = None      # /.../dir/file.sch
-    sch_basename = None  # /.../dir/file
-    sch_no_ext = None    # /.../dir
-    sch_dir = None       # pcb
+    sch_no_ext = None    # /.../dir/file
+    sch_dir = None       # /.../dir
+    sch_basename = None  # file
     # Main output dir
     out_dir = None
     filter_file = None
@@ -56,7 +56,9 @@ class GS(object):
     #  This value will overwrite GS.def_global_output if defined
     #  Classes supporting global "output" option must call super().__init__()
     #  after defining its own options to allow Optionable do the overwrite.
+    global_from_cli = {}
     global_output = None
+    global_variant = None
 
     @staticmethod
     def set_sch(name):

kibot/optionable.py

@@ -31,6 +31,8 @@ class Optionable(object):
         super().__init__()
         if GS.global_output is not None and getattr(self, 'output', None):
             setattr(self, 'output', GS.global_output)
+        if GS.global_variant is not None and hasattr(self, 'variant'):
+            setattr(self, 'variant', GS.global_variant)
 
     @staticmethod
     def _check_str(key, val, doc):

kibot/out_base.py

@@ -74,13 +74,13 @@ class BoMRegex(Optionable):
 class VariantOptions(BaseOptions):
     """ BaseOptions plus generic support for variants. """
     def __init__(self):
-        super().__init__()
         with document:
             self.variant = ''
             """ Board variant to apply """
             self.dnf_filter = Optionable
             """ [string|list(string)=''] Name of the filter to mark components as not fitted.
                 A short-cut to use for simple cases where a variant is an overkill """
+        super().__init__()
         self._comps = None
 
     def config(self):