Remove unnecessary functions and rename unpack

circuitpack.py

@@ -207,28 +207,7 @@ def _vacuum(root: str, delete_this: bool = False) -> None:
             pass
 
 
-def vacuum(target: str, paths: Iterable[str] = ("lib",)) -> None:
-    """
-    Remove empty directories under `paths`, each relative to `target`.
-    """
-
-    for path in paths:
-        _vacuum(f"{target}/{path}")
-
-
-def parse_spec(spec_text: str) -> dict[str, tuple[str, str]]:
-    spec = {}
-
-    for full_line in spec_text.split("\n"):
-        line = full_line.strip()
-        if line:
-            name, version_hash, repo = line.split(",")
-            spec[name] = (version_hash, repo)
-
-    return spec
-
-
-def get_status(records: str) -> dict[str, str]:
+def _get_status(records: str) -> dict[str, str]:
     status = {}
 
     for name in os.listdir(records):
@@ -241,15 +220,23 @@ def get_status(records: str) -> dict[str, str]:
 def install_spec(
     spec_text: str, target: str, records: str, paths: Iterable[str] = ("lib",)
 ) -> None:
-    spec = parse_spec(spec_text)
-    status = get_status(records)
+    spec = {}
+
+    for full_line in spec_text.split("\n"):
+        line = full_line.strip()
+        if line:
+            name, version_hash, repo = line.split(",")
+            spec[name] = (version_hash, repo)
+
+    status = _get_status(records)
 
     for name, version in status.items():
         if not name in spec or spec[name][0] != version:
             uninstall(name, target, records)
 
-    vacuum(target, paths)
-    status = get_status(records)
+    for path in paths:
+        _vacuum(f"{target}/{path}")
+    status = _get_status(records)
 
     for name, version_repo in spec.items():
         version, repo = version_repo