support [else/knob] as if it's a floatatom (#171)

* support [else/knob] as if it's a floatatom

* create regular [knob] but remove it from the hvutils output

* move else/knob to its own lib-dir

* add main dir path to fall-back search and module import

* add changelog

CHANGELOG.md

@@ -6,6 +6,7 @@ Next Release
 
 * Core: parse remote/send messages
 * Core: MIDI i/o added to memoryPool
+* Core: support `[else/knob]` as `[float]`
 * Daisy: set heavy context after hw.init()
 * OWL: add Polytouchin and Polytouchout
 * JS: webmidi input

docs/09.supported_vanilla_objects.md

@@ -45,6 +45,7 @@ del
 delay
 div
 exp
+else/knob
 f
 float
 floatatom

hvcc/interpreters/pd2hv/PdParser.py

@@ -45,9 +45,11 @@
 class PdParser:
 
     # library search paths
+    __LIB_DIR = os.path.join(os.path.dirname(__file__), "libs")
     __HVLIB_DIR = os.path.join(os.path.dirname(__file__), "libs", "heavy")
     __HVLIB_CONVERTED_DIR = os.path.join(os.path.dirname(__file__), "libs", "heavy_converted")
     __PDLIB_DIR = os.path.join(os.path.dirname(__file__), "libs", "pd")
+    __ELSELIB_DIR = os.path.join(os.path.dirname(__file__), "libs", "else")
     __PDLIB_CONVERTED_DIR = os.path.join(os.path.dirname(__file__), "libs", "pd_converted")
 
     # detect a dollar argument in a string
@@ -72,6 +74,7 @@ def get_supported_objects(cls) -> List:
         """ Returns a set of all pd objects names supported by the parser.
         """
         pd_objects = [os.path.splitext(f)[0] for f in os.listdir(cls.__PDLIB_DIR) if f.endswith(".pd")]
+        pd_objects += [f"else/{os.path.splitext(f)[0]}" for f in os.listdir(cls.__ELSELIB_DIR) if f.endswith(".pd")]
         pd_objects.extend(cls.__PD_CLASSES.keys())
         return pd_objects
 
@@ -416,6 +419,26 @@ def graph_from_canvas(
                                 pos_x=int(line[2]), pos_y=int(line[3]),
                                 is_root=False)
 
+                        # is this object in lib/else?
+                        elif os.path.isfile(os.path.join(self.__ELSELIB_DIR, f"{obj_type}.pd")):
+                            self.obj_counter[obj_type] += 1
+                            hvlib_path = os.path.join(self.__ELSELIB_DIR, f"{obj_type}.pd")
+                            x = self.graph_from_file(
+                                file_path=hvlib_path,
+                                obj_args=obj_args,
+                                pos_x=int(line[2]), pos_y=int(line[3]),
+                                is_root=False)
+
+                        # is this object in lib? (sub-directory)
+                        elif os.path.isfile(os.path.join(self.__LIB_DIR, f"{obj_type}.pd")):
+                            self.obj_counter[obj_type] += 1
+                            hvlib_path = os.path.join(self.__LIB_DIR, f"{obj_type}.pd")
+                            x = self.graph_from_file(
+                                file_path=hvlib_path,
+                                obj_args=obj_args,
+                                pos_x=int(line[2]), pos_y=int(line[3]),
+                                is_root=False)
+
                         # is this an object that must be programatically parsed?
                         elif obj_type in self.__PD_CLASSES:
                             self.obj_counter[obj_type] += 1

hvcc/interpreters/pd2hv/libs/else/knob.pd

@@ -0,0 +1,6 @@
+#N canvas 0 149 210 157 10;
+#X obj 24 35 inlet;
+#X obj 24 57 float 0;
+#X obj 24 79 outlet;
+#X connect 0 0 1 0;
+#X connect 1 0 2 0;