Add KiCad global footprint paths for non-linux platforms

src/faebryk/exporters/pcb/kicad/pcb.py

@@ -14,6 +14,7 @@
 )
 from faebryk.libs.kicad.fileformats_common import C_effects, C_wh
 from faebryk.libs.kicad.fileformats_version import kicad_footprint_file
+from faebryk.libs.kicad.paths import GLOBAL_FP_DIR_PATH, GLOBAL_FP_LIB_PATH
 from faebryk.libs.sexp.dataclass_sexp import get_parent
 from faebryk.libs.util import (
     KeyErrorNotFound,
@@ -50,9 +51,6 @@ def _get_footprint(identifier: str, fp_lib_path: Path) -> C_footprint:
         dir_path = Path(lib.uri.replace("${KIPRJMOD}", str(fp_lib_path.parent)))
     except KeyErrorNotFound:
         # non-local lib, search in kicad global lib
-        # TODO don't hardcode path
-        GLOBAL_FP_LIB_PATH = Path("~/.config/kicad/8.0/fp-lib-table").expanduser()
-        GLOBAL_FP_DIR_PATH = Path("/usr/share/kicad/footprints")
         global_fp_lib_table = C_kicad_fp_lib_table_file.loads(GLOBAL_FP_LIB_PATH)
         lib = find(global_fp_lib_table.fp_lib_table.libs, lambda x: x.name == lib_id)
         dir_path = Path(

src/faebryk/exporters/schematic/kicad/transformer.py

@@ -36,6 +36,7 @@
     C_rect,
     C_stroke,
 )
+from faebryk.libs.kicad.paths import GLOBAL_FP_DIR_PATH, GLOBAL_FP_LIB_PATH
 from faebryk.libs.sexp.dataclass_sexp import dataclass_dfs
 from faebryk.libs.util import (
     cast_assert,
@@ -201,11 +202,6 @@ def index_symbol_files(
             fp_lib_table_paths = [Path(p) for p in fp_lib_tables]
 
         # non-local lib, search in kicad global lib
-        # TODO don't hardcode path
-        # TODO: doesn't work on OSx. Make them at least search paths
-        # /Applications/KiCad/KiCad.app/Contents/SharedSupport/symbols/
-        GLOBAL_FP_LIB_PATH = Path("~/.config/kicad/8.0/fp-lib-table").expanduser()
-        GLOBAL_FP_DIR_PATH = Path("/usr/share/kicad/footprints")
         if load_globals:
             fp_lib_table_paths += [GLOBAL_FP_LIB_PATH]
 

src/faebryk/libs/kicad/paths.py

@@ -0,0 +1,40 @@
+import os
+import sys
+from pathlib import Path
+
+KICAD_VERSION = "8.0"
+
+# footprint library paths
+# ref: https://docs.kicad.org/8.0/en/kicad/kicad.html#config-file-location
+match sys.platform:
+    case "win32":
+        appdata = os.getenv("APPDATA")
+        if appdata is not None:
+            GLOBAL_FP_LIB_PATH = (
+                Path(appdata) / "kicad" / KICAD_VERSION / "fp-lib-table"
+            )
+        else:
+            raise EnvironmentError("APPDATA environment variable not set")
+        # TODO: verify on a windows machine
+        GLOBAL_FP_DIR_PATH = Path(appdata) / "kicad" / KICAD_VERSION / "footprints"
+    case "linux":
+        GLOBAL_FP_LIB_PATH = (
+            Path("~/.config/kicad").expanduser() / KICAD_VERSION / "fp-lib-table"
+        )
+        GLOBAL_FP_DIR_PATH = Path("/usr/share/kicad/footprints")
+    case "darwin":
+        GLOBAL_FP_LIB_PATH = (
+            Path("~/Library/Preferences/kicad").expanduser()
+            / KICAD_VERSION
+            / "fp-lib-table"
+        )
+        GLOBAL_FP_DIR_PATH = Path(
+            "/Applications/KiCad/KiCad.app/Contents/SharedSupport/symbols"
+        )
+    case _:
+        raise EnvironmentError(f"Unsupported platform: {sys.platform}")
+
+if not GLOBAL_FP_LIB_PATH.exists():
+    raise FileNotFoundError(f"Footprint library path not found: {GLOBAL_FP_LIB_PATH}")
+if not GLOBAL_FP_DIR_PATH.exists():
+    raise FileNotFoundError(f"Footprint directory path not found: {GLOBAL_FP_DIR_PATH}")