Ensure tool-type package is compatible with a host system

platformio/package/manager/base.py

@@ -202,8 +202,17 @@ class BasePackageManager(  # pylint: disable=too-many-public-methods
                     pkg.metadata = self.build_metadata(pkg_dir, spec)
                 except MissingPackageManifestError:
                     pass
-            if pkg.metadata:
+            if not pkg.metadata:
-                result.append(pkg)
+                continue
+            if self.pkg_type == PackageType.TOOL:
+                try:
+                    if not self.is_system_compatible(
+                        self.load_manifest(pkg).get("system")
+                    ):
+                        continue
+                except MissingPackageManifestError:
+                    pass
+            result.append(pkg)
         return result
 
     def get_package(self, spec):
@@ -212,7 +221,7 @@ class BasePackageManager(  # pylint: disable=too-many-public-methods
         spec = self.ensure_spec(spec)
         best = None
         for pkg in self.get_installed():
-            if not self._test_pkg_with_spec(pkg, spec):
+            if not self.test_pkg_spec(pkg, spec):
                 continue
             assert isinstance(pkg.metadata.version, semantic_version.Version)
             if spec.requirements and pkg.metadata.version not in spec.requirements:
@@ -221,7 +230,8 @@ class BasePackageManager(  # pylint: disable=too-many-public-methods
                 best = pkg
         return best
 
-    def _test_pkg_with_spec(self, pkg, spec):
+    @staticmethod
+    def test_pkg_spec(pkg, spec):
         # "id" mismatch
         if spec.id and spec.id != pkg.metadata.spec.id:
             return False
@@ -244,8 +254,4 @@ class BasePackageManager(  # pylint: disable=too-many-public-methods
         elif not spec.id and not ci_strings_are_equal(spec.name, pkg.metadata.name):
             return False
 
-        if self.pkg_type == PackageType.TOOL:
-            # TODO: check "system" for pkg
-            pass
-
         return True

tests/package/test_manager.py

@@ -239,7 +239,7 @@ def test_install_force(isolated_pio_core, tmpdir_factory):
 
 def test_get_installed(isolated_pio_core, tmpdir_factory):
     storage_dir = tmpdir_factory.mktemp("storage")
-    lm = LibraryPackageManager(str(storage_dir))
+    pm = ToolPackageManager(str(storage_dir))
 
     # VCS package
     (
@@ -259,7 +259,7 @@ def test_get_installed(isolated_pio_core, tmpdir_factory):
     "requirements": null,
     "url": "git+https://github.com/username/repo.git"
   },
-  "type": "library",
+  "type": "tool",
   "version": "0.0.0+sha.1ea4d5e"
 }
 """
@@ -270,13 +270,13 @@ def test_get_installed(isolated_pio_core, tmpdir_factory):
     (
         storage_dir.join("foo@3.4.5")
         .mkdir()
-        .join("library.json")
+        .join("package.json")
         .write('{"name": "foo", "version": "3.4.5"}')
     )
 
     # package with metadata file
     foo_dir = storage_dir.join("foo").mkdir()
-    foo_dir.join("library.json").write('{"name": "foo", "version": "3.6.0"}')
+    foo_dir.join("package.json").write('{"name": "foo", "version": "3.6.0"}')
     foo_dir.join(".piopm").write(
         """
 {
@@ -286,21 +286,33 @@ def test_get_installed(isolated_pio_core, tmpdir_factory):
     "owner": null,
     "requirements": "^3"
   },
-  "type": "library",
+  "type": "tool",
   "version": "3.6.0"
 }
 """
     )
 
-    # invalid package
+    # test "system"
-    storage_dir.join("invalid-package").mkdir().join("package.json").write(
+    storage_dir.join("pkg-incompatible-system").mkdir().join("package.json").write(
-        '{"name": "tool-scons", "version": "4.0.0"}'
+        '{"name": "check-system", "version": "4.0.0", "system": ["unknown"]}'
+    )
+    storage_dir.join("pkg-compatible-system").mkdir().join("package.json").write(
+        '{"name": "check-system", "version": "3.0.0", "system": "%s"}'
+        % util.get_systype()
     )
 
-    installed = lm.get_installed()
+    # invalid package
-    assert len(installed) == 3
+    storage_dir.join("invalid-package").mkdir().join("library.json").write(
-    assert set(["pkg-via-vcs", "foo"]) == set(p.metadata.name for p in installed)
+        '{"name": "SomeLib", "version": "4.0.0"}'
-    assert str(lm.get_package("foo").metadata.version) == "3.6.0"
+    )
+
+    installed = pm.get_installed()
+    assert len(installed) == 4
+    assert set(["pkg-via-vcs", "foo", "check-system"]) == set(
+        p.metadata.name for p in installed
+    )
+    assert str(pm.get_package("foo").metadata.version) == "3.6.0"
+    assert str(pm.get_package("check-system").metadata.version) == "3.0.0"
 
 
 def test_uninstall(isolated_pio_core, tmpdir_factory):