Add package type to unpublish command

platformio/package/spec.py

@@ -12,6 +12,47 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import tarfile
+
+from platformio.compat import get_object_members
+from platformio.package.manifest.parser import ManifestFileType
+
+
+class PackageType(object):
+    LIBRARY = "library"
+    PLATFORM = "platform"
+    TOOL = "tool"
+
+    @classmethod
+    def items(cls):
+        return get_object_members(cls)
+
+    @classmethod
+    def get_manifest_map(cls):
+        return {
+            cls.PLATFORM: (ManifestFileType.PLATFORM_JSON,),
+            cls.LIBRARY: (
+                ManifestFileType.LIBRARY_JSON,
+                ManifestFileType.LIBRARY_PROPERTIES,
+                ManifestFileType.MODULE_JSON,
+            ),
+            cls.TOOL: (ManifestFileType.PACKAGE_JSON,),
+        }
+
+    @classmethod
+    def from_archive(cls, path):
+        assert path.endswith("tar.gz")
+        manifest_map = cls.get_manifest_map()
+        with tarfile.open(path, mode="r|gz") as tf:
+            for t in sorted(cls.items().values()):
+                try:
+                    for manifest in manifest_map[t]:
+                        if tf.getmember(manifest):
+                            return t
+                except KeyError:
+                    pass
+        return None
+
 
 class PackageSpec(object):
     def __init__(self, raw=None, organization=None, name=None, version=None):